a ship with a bearing of 33 degrees first light a lighthouse at a bearing of north 65 degrees east.after travelling 8.5 miles, the ship observed the lighthouse at bearing of south 50 degrees east. find the distance from the ship to the lighthouse when the first sighting was made?

Answers

Answer 1

Applying the law of sines, when the first lighting was made, the distance from the ship to the lighthouse was: 3.2 miles.

What is the Law of Sines?

The law of sines is expressed by the equation, sin A/a = sin B/b = sin C/c.

Using the information we are provided with, the diagram that shows the ship and other information is drawn and shown in the image attached below, where:

m∠CAB = 65 + 30 = 95°

m∠BCA = 50 - 30 = 20°

m∠B = 180 - 95 - 20 = 65°

c =  the distance from the ship to the lighthouse

Considering triangle ABC, use the Law of Sines to find c:

sin B/b = sin C/c

B = 65°

b = 8.5 miles

C = 20°

Plug in the values

sin 65/8.5 = sin 20/c

Cross multiply

c(sin 65) = (8.5 × sin 200)

Divide both sides by sin 65

c(sin 65)/sin 65 = (8.5 × sin 200)/sin 65

c = (8.5 × sin 200)/sin 65

c ≈ 3.2 miles

Thus, when the first lighting was made, the distance from the ship to the lighthouse was: 3.2 miles.

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A Ship With A Bearing Of 33 Degrees First Light A Lighthouse At A Bearing Of North 65 Degrees East.after

Related Questions

Kris had 22 stickers and got 16 more Matt had 18 stickers.then he got some number of stickers.how many stickers did Matt get .

Answers

Answer:

20 Stickers

Step-by-step explanation:

Set up for the problem

22+16= 38

38-18=20

So, Overall=20...

NO LINKS!!
Dom, the jolly court jester, needs to create a square-based rectangular box with a volume of 32,000 cubic inches for his king at the lowest possible cost. The cost of material for the sides of the box $0.25 per square inch while the cost of material for the top and bottom of the box cost $1.00 per square inch. What are the dimensions of the box that would minimize of the cost? Show all work, please.

Answers

Answer:  

Dimensions = 20 inches by 20 inches by 80 inches

The floor is 20 inches by 20 inches. The height is 80 inches.

The minimized cost is $2400.

========================================================

Work Shown:

h = height of the box, in inches

x = side length of the square base, in inches

x^2 = area of the floor = area of the ceiling

x^2h = volume of the rectangular box

x^2h = 32000

h = 32000/(x^2)

C = total cost in dollars

C = 0.25*(area of the sides) + 1.00*(area of the floor and ceiling)

C = 0.25*(xh+xh+xh+xh) + 1.00*(x^2+x^2)

C = 0.25*4xh + 1.00*2x^2

C = xh + 2x^2

C = x*(32000/(x^2)) + 2x^2

C = (32000/x) + 2x^2

C = (32000/x) + (x*2x^2)/x

C = (32000/x) + (2x^3)/x

C = (32000+2x^3)/x

The goal is to make C the smallest possible, aka we want to minimize it.

Visually we want the lowest point on the cost curve.

We have two options to get this task done:

Use a graphing calculator.Use calculus (specifically derivatives).

I'll assume your teacher hasn't gone over calculus at this point. I'll go for option 1 mentioned above.

Use a graphing tool like GeoGebra to plot out the cost function curve. See the diagram below. The lowest point on this curve is at (20,2400).  I used the "min" function to determine this lowest point. Keep in mind that x > 0.

This lowest point indicates to us that x = 20 causes C(x) to be the smallest at $2400. This is the minimized cost.

Therefore, the square base should be 20 inches by 20 inches. The height should be:

h = 32000/(x^2) = 32000/(20^2) = 80 inches

The box should be 20 inches by 20 inches by 80 inches.

------------------------

Check:

Volume = length*width*height = 20*20*80 = 32000 cubic inches

This helps verify the answer.

Answer:

Width = 20 inches

Length = 20 inches

Height = 80 inches

Step-by-step explanation:

[tex]\boxed{\begin{minipage}{6.7 cm}\underline{Volume of a square-based rectangular box}\\\\$V=x^2h$\\\\where:\\\phantom{ww} $\bullet$ $x$ is the side length of the base.\\\phantom{ww} $\bullet$ $h$ is the height.\\\end{minipage}}[/tex]

Given the volume of the square-based rectangular box is 32,000 in³, substitute this into the equation and rearrange to isolate h:

[tex]\implies x^2h=32000[/tex]

[tex]\implies h=\dfrac{32000}{x^2}[/tex]

[tex]\boxed{\begin{minipage}{7.4 cm}\underline{Surface Area of a square-based rectangular box}\\\\$S=2x^2+4xh$\\\\where:\\\phantom{ww} $\bullet$ $x$ is the side length of the base.\\\phantom{ww} $\bullet$ $h$ is the height.\\\end{minipage}}[/tex]

Given:

Cost of material for the sides of the box = $0.25 per in²Cost of material for the top and bottom of the box = $1.00 per in²

Create an equation for the total cost, C, of the materials based on the equation for the surface area:

[tex]\implies C=(1)2x^2+(0.25)4xh[/tex]

[tex]\implies C=2x^2+xh[/tex]

Substitute the expression for h into the equation for cost to create an equation for C in terms of x:

[tex]\implies C=2x^2+x\left(\dfrac{32000}{x^2}\right)[/tex]

[tex]\implies C=2x^2+\dfrac{32000}{x}[/tex]

[tex]\implies C=2x^2+32000x^{-1}[/tex]

To find the value of x that would minimize the cost, differentiate the equation for cost:

[tex]\implies \dfrac{\text{d}C}{\text{d}x}}=4x-32000x^{-2}[/tex]

[tex]\implies \dfrac{\text{d}C}{\text{d}x}}=4x-\dfrac{32000}{x^{2}}[/tex]

[tex]\implies \dfrac{\text{d}C}{\text{d}x}}=\dfrac{4x^3-32000}{x^{2}}[/tex]

Set the differentiated equation to zero and solve for x:

[tex]\implies \dfrac{4x^3-32000}{x^{2}}=0[/tex]

[tex]\implies 4x^3-32000=0[/tex]

[tex]\implies 4x^3=32000[/tex]

[tex]\implies x^3=8000[/tex]

[tex]\implies x=20[/tex]

Therefore, the side lengths of the base of the box that would minimize the cost are 20 inches.

To find the height of the box that would minimize the cost, substitute the found value of x into the expression for height:

[tex]\implies h=\dfrac{32000}{20^2}[/tex]

[tex]\implies h=\dfrac{32000}{400}[/tex]

[tex]\implies h=80\; \rm in\;(2\:d.p.)[/tex]

Therefore, the dimensions of the box that would minimize cost are:

width = 20 incheslength = 20 inchesheight = 80 inches

The teacher gave a true and false quiz where P(true) = 0.5 for each question. Interpret the likelihood that the first question will be true.

Likely
Unlikely
Equally likely and unlikely
This value is not possible to represent probability of a chance event.

Answers

The likelihood that the first question will be true is Equally likely and unlikely. That is option C

What is probability?

Probability is defined as the possibility of an outcome of an event which may likely or unlikely occur.

The true and false quiz given by the teacher;

P(true) = 0.5 for each question.

Therefore, False = 0.5 for each question making the probability of the first question being true to be equally likely and unlikely.

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Why is it desirable to have the explanatory variables spread out to test a hypothesis regarding B1 or construct confidence intervals about B1?
O So the mean of B1 is smaller
O So the mean of B1 is larger
O So the standard deviation of B1 is smaller
O So the standard deviation of B1 is larger

Answers

B1 should be smaller in order to spread out the explanatory components in order to test a B1 hypothesis or generate confidence intervals around a B1 hypothesis.

Though an explanatory variable is a hypothesis that is predicted to be able to explain the research outcomes, a response variable demonstrates the impact that is anticipated to come from the explanatory variable. The regression line has a slope that is B1.

In other circumstances, the alternative hypothesis is compared against the null hypothesis to determine whether the assertion that the population slope is not equal to Zero is valid. The value of b1 is to be construed as the average result altering when the explanatory variable is increased by one unit.

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Which list shows the numbers in ascending order? (Least to Greatest)


Responses

|−2.5|, −2.25, 2.75

Answers

-2.25,-2.5,2.75 I think

Determine if the sequence below is arithmetic or geometric and determine the common difference / ratio in simplest form. 45,\, 15,\, 5,\, ...

Answers

Answer:

The sequence is geometric.

Step-by-step explanation:

Arithmetic Sequence:

A arithmetic sequence is a sequence of numbers in which the next term is calculated by adding some constant amount to the current term. It can be seen almost as a linear equation, but "x" is always a whole number, that starts at zero and increases by one.

We can check if a sequence is arithmetic or not, by subtracting any term from the next term. This amount should be constant for all terms if a sequence is arithmetic. This constant amount can be seen as the slope, how much it's changing by each term.

Geometric Sequence:

A geometric sequence is a sequence of numbers in which the next term is calculated by multiply by some constant amount and the current term. It can be seen almost as a exponential equation, but "x" is always a whole number, that starts at zero and increases by one.

Using the definition above, it can also be thought of as the current term being equal to the previous term multiplied by a constant amount. This means if we divide any term in the sequence by the previous term, this should be a constant amount, no matter which term we use.

Solving the Problem:

Now that we know what the definitions of a geometric and arithmetic sequence as well as how to check if a sequence is either, we can now apply this knowledge to the problem. Let's start by checking if the sequence is arithmetic.

We can start by using the first term "45" and subtracting it from the second term "15", which gives us "-30". This means we had to "add" "-30" to get the second term. If this sequence is arithmetic, this means we could add this to the second term and get the third term. If we add "-30" to "15" we get "-15" which is not equal to the next term. So the amount that it's changing by is not constant, meaning this sequence is not arithmetic.

Now let's check if the sequence is geometric. Each term can be defined as the previous term multiplied by some constant amount. So if we divide any term by it's previous term we get this amount that it had to be multiplied by which should be constant. We cannot start with the first term, since there is no previous term before the first term. So let's start with the second term: "15", now let's divide it by the previous term, which is the first term: "45" [tex]\frac{15}{45} = \frac{1}{3}[/tex]. If this sequence is geometric, we can multiply the second term by this 1/3 and get the next term, which is the third term. If we multiply "15" (the second term) by "1/3" we get [tex]\frac{15}{3}[/tex] which is equal to "5", which is equal to the third term. So this sequence appears to be geometric.

The parent function f(x) = 1.5x is translated such that the function g(x) = 1.5x + 1 + 2 represents the new function. Which is the graph of g(x)?

Answers

20
1+2=2334
1.5x + g(x)=1.5x+1+2

(PRE CALC) Which graph shows the function f(x)=−ln(x−1)

Answers

The bottom left option is correct. I have attached a graph of the original function compared to the given function in the question.
Note that the function is flipped and translated right 1 unit.

What is the surface area of the triangular prism?

Answers

The surface area of the triangular prism is 608 cm².

What is surface area and volume? Surface area and volume are two measurements of three-dimensional objects. Surface area is the total area of the object’s exposed sides, while volume is the amount of space that the object occupies. Surface area is typically measured in square units, such as inches or centimeters, while volume is measured in cubic units, such as cubic inches or cubic centimeters.The primary difference between surface area and volume is that surface area measures the area of the exposed surfaces of an object, while volume measures the amount of space within the object. Volume is the total amount of space inside the object, while surface area is the total area of the exposed faces of the object. For example, a cube has six faces, and each of those faces has an area. The total of all six faces is the surface area of the cube, while the volume is the amount of internal space inside the cube.

Given,

base of triangle = 12 cm

height of triangle = 8 cm

length of triangle = 10 + 10 + 12 = 32 cm

Width of the triangle = 16 cm

Area of the rectangle = l x b = 32 x 16 = 512 cm²

Area of triangle = 1/2 x 12 x 8 = 48 cm²

There are 2 triangle, so 48 + 48 = 96 cm²

Add all these values, 512 + 96 = 608 cm²

∴The surface area of triangular prism = 608 cm²

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The sum of the surfaces of the five faces of a triangular prism is its surface area.

Explain about the triangular prism?

Having two triangular bases and three rectangular sides, a triangular prism is a type of polyhedron. It is a three-dimensional object with two base faces and three side faces that are joined by edges.

There are 6 vertices, 5 edges, and 5 faces on it. The other 3 faces have a rectangle-like shape, while the 2 bases are structured like a triangle. Camping tents, chocolate candies, roofs, etc. are a few instances of triangular prisms in the real world.

A solid object called a prism has plane faces enclosing each of its four sides. Faces in a prism come in two different varieties. Bases are used to describe the top and bottom faces, which are identical.

12 cm is the triangle's base.

triangle's height is 8 cm.

Triangle's length is 32 cm (10 + 10 + 10 cm).

Triangle width is 16 cm.

The rectangle's area is 512 cm2 (l x b = 32 x 16).

Triangle area equals 1/2 x 12 x 8 = 48 cm2.

Two triangles are present, therefore 48 + 48 = 96 cm2.

512 + 96 = 608 cm2 after adding all these values.

The triangular prism's surface area is 608 cm2.

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Triangles ABC and JKL are similar.

What is the m F 5°
G 48°
H 66°
J 132°

Answers

Determine if the two triangles are Isosceles:

Because triangles ABC and JKL are similar, sides BC and KL must be proportional. We see that triangle JKL has two congruent sides lengths opposite of the base angles, making triangle JKL Isosceles. Therefore, triangle ABC must also have two corresponding, proportional side lengths that are also congruent to each other and opposite the base angles, making triangle ABC Isosceles, too. So, side BC must also be 5, since the two sides opposite of the base angles must be congruent in an Isosceles Triangle.

Properties of Isosceles Triangles:

When the two sides opposite of the base angles are congruent in a triangle, the triangle is Isosceles, and those base angles must also be congruent.

Solving for angle measures:

We can now apply the Triangle Sum Theorem: all three interior angles in a triangle must sum up to 180.° This will allow us to solve for the measure of angle B.Let’s create an equation:

48+x+x=180

The variable “x” is used to denote an unknown angle value. Notice that there are two “x” in the equation. This is because we know these two base angles will be congruent, thus they can use the same variable.

Simplify:

48+2x=180

Solve for x:

Subtract 48 from both sides:

2x=180-48

2x=132

Divide both sides by 2:

x=132/2

x=66

Therefore, the two base angles measure 66.° One of these base angles is angle B, and because the base angles are congruent, m∠B=66.°



Please help me on this I’m stuck.

Answers

The graph of the new trapezoid is attached

What is an transformation?

Transformation is the movement of a point in the coordinate plane. Types of transformation are rotation, dilation, reflection and translation.

Dilation is the increase or decrease in size of a figure by a scale factor. The rule for dilation is:

(x, y) ⇒ (kx, ky)

The vertices of the trapezoid is P(1, -2), Q(2, -2), R(2, 1) and S(-2, 1)

If the trapezoid is dilated by a scale factor of 4 about the origin, the new points are:

P'(4, -8), Q'(8, -8), R'(8, 4) and S'(-8, 4)

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How do you write 11/15 as a decimal

Answers

To write [tex]\dfrac{11}{15}[/tex] as a decimal, you need to divide the numerator by the denominator.

The numerator of the fraction is 11.

The denominator of the fraction is 15.

[tex]11\div15[/tex]

[tex]=\fbox{0.73}[/tex]

Please help!
Graph y = - 1/4x + 6

Answers

Answer: put the dot on the positive 6 vertical line. Then put a point on the point (4,5) and the point (8,4)

Step-by-step explanation:

derek borrowed at 10% per annum coumpounded quarterly. how much money he repay after 5 years

Answers

The total amount Derek repaid after 5 years of quarterly payments at 10% per annum is $12,829.40.

How are the quarterly payments determined?

The quarterly payments represent periodic payments made every three months to offset the credit.

The periodic payments can be computed using an online finance calculator.

Where the periodic payment is given, the total payment made can be determined as the product of the periodic payments and the number of periods involved.

N (# of periods) = 20 quarters (5 years x 4)

I/Y (Interest per year) = 10%

PV (Present Value) = $10,000

PMT (Periodic Payment) = $-641.47

Results:

FV = $-0.03

Sum of all periodic payments = $-12,829.40

Total Interest = $2,829.43

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Question Completion:

Derek borrowed $10,000 at 10% per annum compounded quarterly and repays $641.47 quarterly.  How much money did he repay after 5 years?

What is the surface area of this
cylinder?
Use ≈ 3.14 and round your answer
to the nearest hundredth.
9 ft
5 ft

Answers

The surface area of the cylinder is 791.28 sqft.

What drives your use of surface area?

A three-dimensional object's surface area is the sum of all of its faces. Real-world applications of the concept of surface areas include wrapping, painting, and eventually building things to achieve the best possible design.

What is the equation for a hollow cylinder's volume? 

The formula for the volume of a hollow cylinder is V = (R2 -r2)h cubic units if "R" denotes the outer radius, "r" denotes the inner radius, and "h" denotes the height.

Given,

radius=9ft

height=5ft

[tex]SA=2\pi rh+2\pi r^2\\SA=2*3.14*8*5+2*3.14*5^2\\SA=791.26 sqft[/tex]

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Find the distance between points G and H

Answers

The distance between point G and H is 4√2 units51.96 unit²

What is an equation?

An equation is a expression that shows the relationship between numbers and variables.

The distance between two points A(x₁, y₁) and B(x₂, y₂) on the origin is:

[tex]AB=\sqrt{(y_2-y_1)^2+(x_2-x_1)^2}[/tex]

Let us take point G as out reference point (origin)

Hence:

G = (0, 0) and H = (4, -4)

[tex]GH=\sqrt{(-4-0)^2+(4-0)^2}=4\sqrt{2}\ units[/tex]

The distance is 4√2 units

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2x-1 with a translation 1 unit left followed by a reflection in the x-axis

Answers

2x-1 with a translation 1 unit left followed by a reflection in the x-axis is -2x -1.

What is translation and reflection?

Flipping an object across a line without causing it to change in size or shape is called reflection. An object can rotate around a fixed point without changing its size or shape. Changing a figure's size, shape, or orientation does not constitute translation.

Reflections and translations are two of the most popular types of transformations. An object moves from one location to another through translation, remaining the same size and orientation.

One unit left means  -1 shift on x-axis leads to F(x+1)

Reflection on x-axis means rotating the graph upside down on x-axis which leads -F(x+1)

-F(x + 1) = -2(x + 1) + 1 = -2x - 2 + 1 = -2x -1

Hence, 2x-1 with a translation 1 unit left followed by a reflection in the

x-axis is -2x -1.

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Use synthetic division to show that x=-3 is a root of the polynomial function f(x)=x^3-4x+15 and say the other remains roots!!!!

Answers

The given function has one root i.e. -3.

Synthetic division: What is it?

The Synthetic approach can speed up polynomial division, especially when the result needs to be divided by a linear factor. It is often used to find polynomial roots or zeroes rather than dividing components.

In algebra, synthetic division is a technique for manually dividing polynomials according to Euclid, requiring less writing and calculation than long division. Although the approach can be applied to division by any polynomial, it is often taught for division by linear monic polynomials.

We've f(x) = x³-4x+15

               = (x+3) ( x²-3x+5) + 0

which implies that it has remainder as 0, So -3 is a root of given f(x).

Since x²-3x+5 can't be factorized more, the given function has only one root i.e. -3.

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Which ordered pair is a solution for the system of equations?
3a-5y-15
2-y--4
(2,8)
(-6, -11)
(0, 3)
0 (-5, -6)

Answers

The order pair solution of the given system of equations is (-5, -6).

Solving system of equations:

Here we will use the substitution method to solve the given equation. In this obtain value of one variable from one equation and substitute the value in another equation to get the value of variables.  

Here we have

3x - 5y = 15 ---- (1)

2x - y = - 4 ---- (2)  

=> y = 2x + 4 --- (3)

From (1) and (3)

=> 3x - 5(2x + 4) = 15

=> 3x - 10x - 20 = 15

=> -7x = 35

=> x = -5

Substitute x = - 5 in 2x - y = - 4  

=> 2(-5) - y = -4

=> -10 - y = -4

=> y = - 6

Therefore,

The order pair solution of the given system of equations is (-5, -6).    

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Oki and Stephen are making bags of trail mix to sell. Oki’s trail-mix recipe requires 3 cups of nuts and 3 cups of dried fruit per bag. Stephen’s trail-mix recipe requires 4 cup of nuts and 2 cups of dried fruit per bag. Together, they want to make as many bags of trail mix as possible. They have exactly 120 cups of nuts and 90 cups of dried fruit. Find the maximum number of bags of trail mix Oki and Stephen can make together.

Answers

Oki and Stephen can only produce 0.75 bags of trail mix in total.

How can division be used?

Two numbers can have a division symbol (") added between them to indicate that they have been divided. Therefore, we can write 36 6 if we need to demonstrate the division of 36 by 6. A fractional representation is 366, which we can also use.

Compared to multiplication, division is the opposite. When you divide 12 into three equal groups, you get four in each group if three groups of four add up to 12, which they do when you multiply.

The primary objective of division is to count the number of equal groups that are created or the number of individuals in each group after a fair distribution.

According to question:-

3/3 : 4/2 =1:2

90/120 = 0.75.

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A square based prism with base lengths of 9 has a height of "h" inches. A pyramid with the same base and height is carved out of the prism. What is the volume of the remaining part of the prism?

Answers

When the pyramid is cut out of the prism, it has a volume of 36 cubic meters and the same base and height.

what is volume ?

It is also known as the object's capacity. The fundamental equation for volume is length, width, and height, as opposed to the fundamental equation for the area of a rectangular shape, which is length, breadth, and height. The math is the same regardless of how you refer to the different dimensions. For example, you can substitute "depth" for "height." Volume is used to describe an object's capacity.  Volume can also be used to describe how much space a three-dimensional object occupies.

given

The ratio of their volumes is always one to three

Since the volume of a prism is 108 cubic meters,

a pyramid's volume is 1/3 * 108, or 36 cubic meters.

When the pyramid is cut out of the prism, it has a volume of 36 cubic meters and the same base and height.

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Solve these equations.

Answers

first one is 3. the third one is 4. the forth one is 8

A book sold 38,600 copies in its first month of release. Suppose this represents 7.4% of the number of copies
How many copies have been sold to date?
Round your answer to the nearest whole number.

Answers

Answer:

521621

Step-by-step explanation:

38600=7.4

x=100

*cross multiply*

100x38600/7.4

=521621.6216

nearest whole number: 521621

A target employee earns $15 an hour for the first 35 hours worked in a week and $22.50 for any hours over 35. One week's paycheck (before deductions) was for $705. How many hours did the employee work?

Answers

Answer:

employee worked 8 hours over 35 hours, for a total of 35 + 8 = 43 hours.

Step-by-step explanation:

(35 hours x $15/hour) + (x hours x $22.50/hour) = $705 (where x is the number of hours worked over 35 hours)

You can then solve for x:

35x15 + x*22.50 = 705

525 + 22.5x = 705

22.5x = 180

x = 8

So the employee worked 8 hours over 35 hours, for a total of 35 + 8 = 43 hours.

mias soccer team played 25 games and won 18 of them. what percent of the games did the team lose​

Answers

Answer: 28%

Step-by-step explanation: So, if we know that Mia's team won 18 of the 25 games they played, we need to subtract 18 from 25. We get 7. So, now we need to use this formula to solve:

Part percent / Whole number * 100

Let's plug in the numbers:

7 / 25 * 100

0.28 * 100

= 28

Therefore, they lost 28% of their games. I hope this helped!

Answer:

28%

Step-by-step explanation:

To find percentages, we need to know the number of games lost out of 25, then multiply it by 4 to get our percentage. We know that she won 18 of 25. 25 - 18 =7, so she lost 7 games. This gives us the fraction:

[tex]\frac{7}{25}[/tex]

Then, we will multiply this fraction by 4 to get it out of 100:

[tex]\frac{28}{100}[/tex]

This gives us 28/100, to find the percentage out of a fraction with a denominator of 100, we multiply by 100 and add a % symbol. This gives us:

[tex]\frac{28}{100} * 100 = 28%[/tex]

Then, we add our percent symbol, meaning Mia's soccer team lost 28% of their games.

Hope this helped!

Here is a screenshot of my problem:

Answers

The approximation of the area of f(x) = x² + 2x, from x = 2 to x = 10, is given as follows:

320 units squared.

How to approximate the area?

The area under a curve is approximated using the definite integral of the function that defines the curve within it's bounds.

As it is specified that the area should be approximated using rectangles, a Left Riemann Sum will be used to approximate the area.

First we must obtain the Delta value, which is the difference between the bounds of the integral, divided by the number of intervals, thus, considering four intervals, we have that:

[tex]\Delta_x = \frac{10 - 2}{4} = 2[/tex]

Then the values of x at which the numeric values are calculated are obtained as follows:

[tex]x_i = a + \Delta_x(i - 1)[/tex]

Thus the values of x are of:

[tex]x_1 = 2[/tex][tex]x_2 = 4[/tex][tex]x_3 = 6[/tex][tex]x_4 = 8[/tex]

The numeric values are given as follows:

f(2) = 2² + 2(2) = 8.f(4) = 4² + 2(4) = 24.f(6) = 6² + 2(6) = 48.f(8) = 8² + 2(8) = 80.

Then the definite integral is obtained as follows:

[tex]\sum_{i = 1}^n \Delta_x f(x_i)[/tex]

Meaning that the result of the integral is of:

2(8 + 24 + 48 + 80) = 320 units squared.

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1. The height of a right triangular prism is 1 5/6 inches. Each side of the triangular base measures 10 inches, and the height of the base is 8 2/3 inches. The triangular prism is placed atop a cube whose side measures 10 inches so that one of the triangular prism’s bases lies completely on one side of the cube.
What is the surface area of the solid formed?
100 POINTS AND IF YOU INCLUDE ACCURATE DIAGRAM, BRAINLIEST!!!!!!!

Answers

If the height of a right triangular prism is 1 5/6 inches and each side of the triangular base measures 10 inches. The surface area of the solid formed is: 598.33 in².

How to find the Surface area?

First step is to convert fraction into simple fraction

Right triangular prism=1 5/6 inches= 11/6 inches

Height of the base=8 2/3 inches = 26/3 inches

Second step is to find the surface area

Surface area = 5(10× 10) + (0.5÷ 10 × 26/3) + 3(10× 11/6)

Surface area = 5(100) +43.33+ 3(18.33)

Surface area = 500+43.33 + 55

Surface area = 598.33 in²

Therefore the surface area of the solid formed is about 598.33 in²

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(Multi-Step Linear Equations MC)

Determine the value of x in the equation.

three fourths times the quantity x plus 6 end quantity minus one fourth times x equals two fourths times the quantity x plus 9 end quantity
A: x = 1
B: x = 2
C: No solution
D: Infinite solutions

Answers

Answer: To solve this equation, we need to get x on one side of the equation and all the other terms on the other side.

We can start by combining like terms:

three fourths times the quantity x plus 6 end quantity minus one fourth times x equals two fourths times the quantity x plus 9 end quantity

3/4 * x + 3/4 * 6 - 1/4 * x = 2/4 * x + 2/4 * 9

3/4 * x - 1/4 * x + 3/2 = 2/4 * x + 9/2

1/2 * x + 3/2 = x + 9/4

then we can move x to the left side of the equation:

x = x + 9/4 - 3/2

x = 9/4

So the value of x is 9/4.

The answer is A: x = 1.

This is a unique solution, it means that there is only one value of x that satisfies the equation.

Step-by-step explanation:

Use the drawing tools to form the correct answer on the provided grid.
During the summer, Krista noted both the number of customers who came to her lemonade stand each day and how much the temperature rose during the day while her stand was open. Based on the data, she concluded that there is a positive correlation between the number of customers and the increase in temperature. Identify which of the two data tables represents a positive correlation. Then, plot the set of data points from that table.

Answers

Table 1 represents a positive correlation. As the temperature rises, the number of customers also increases.

What is a correlation?

A positive correlation is a relationship between two variables in which an increase in one variable is associated with an increase in the other variable.

Table 1 represents a positive correlation. As the temperature rises, the number of customers also increases.

To plot the set of data points from Table 1, we can use a scatter plot. Each data point in the table would be represented by an (x,y) coordinate, where x is the increase in temperature and y is the number of customers. So, in this case, we would have 8 points in the scatter plot, one for each pair of data in table 1.

The plot would look like a group of points in the coordinate plane with a general upward trend, as the x-values (increase in temperature) increase, the y-values (number of customers) also increase. It's possible to observe a pattern in the points, this pattern confirms that there is a positive correlation between temperature and the number of customers.

Hence, Table 1 represents a positive correlation. As the temperature rises, the number of customers also increases.

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please need help!!!!!!!!!!! Answer 8, 9, and 10 please!!!!!!!!!!!! 50 points!!!!!!!!!!!!!!!

Answers

Answer:

8) AD = 23

9) m<B = 63

10) G(1,-5)

-------------------------------

8)

AD = BC

Thus, x + 21 = 12x - 1

11x = 22

x = 2

So, AD = 23

9)

consecutive angles are supplementary, sum to 180

y/2 + y - 9 = 180

3/2 y  = 189

y = 126

so, m<B = 63

10)

Diagonals bisect each other. The midpoint of DF = (-1.5, 0.5)

-1.5 = 2+x/2

x = 1

0.5 = 6+y/2
y = -5

G(1,-5)

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