The scatter plot shows the number of hours worked x and the earnings y (in dollars) of a food server

The correct match for the people given their position near the water and the graph, is :

Line 1 is Person C because Line 1 starts from under the level of the water and Person C climbs out of the water then goes up the zipline. Line 2 represents Person A because Line 2 is a stright line which is elevated above the water. Person A stood on the dock and did not move so they are most likely the person on Line 2.

Person B is on Line 3 because they stood on a pole at first which is higher than the dock that Person A was on. They then ziplined into the water which is why Line 3 went below water level.

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Answer:

314 ft^3

Step-by-step explanation:

The equation that needs to be set up is 1/3 × pi × r^2 ×h which r is the radius and h is the height. If we substitute 1/3 × pi × 5 × 12= 100 × pi. Once you finish the equation out by multiplying 100 and pi (3.14) It can be rounded to 314 ft ^3

y=8x is the direct variation equation that shows the relationship between x and y.

Two or more expressions with an Equal sign is called as Equation.

In a direct variation, y=16 when x=2.

y=kx

We have to find the relationship between x and y.

16=2k

Divide both sides by 2

k=8

Now plug in the value of k in the above equation.

y=8x

Hence, y=8x is the direct variation equation that shows the relationship between x and y.

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Check the picture below.

For the function,

y = log(x + 3), all the required values are given below.

Let the function f(x) and g(x) are two real functions.

The function provided by the basic function f(x) and the constant

g(x) = f(x - k),

may be drawn by horizontally moving the f(x) k unit coordinates.

The shift's direction depends on the value of k. Specifically,

The base graph moves k units to the right if k > 0, and

The base graph moves k units to the left if k < 0.

Given:

A graph of the function.

The function is y = log(x + 3)

The x-intercept is (-2, 0) and y-intercept is (0, 0.477).

The transformation is,

-3 units to the left.

The domain is,

(−3, ∞), {x|x>−3}

Range: (−∞, ∞), {y|y∈R}

Hence, all the required values are given above.

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The solution of the equations will be x = 241 and y = -89.

The mathematical expression combines numerical variables and operations denoted by addition, subtraction, multiplication, and division signs.

Mathematical symbols can be used to represent numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. They can also denote the logical syntax's operation order and other properties.

Given that the two equations are -16y=22+6x and -11y-4x=15. The equations by elimination method will be calculated as:-

-16y=22+6x

-11y-4x=15

Write the equations in the following way:-

6x + 16y = -22

-4x - 11y = 15

24x + 64y = 88

-24x - 66y = 90

____________

0     - 2y = 178

           y = 89

The value of x will be:-

-11y-4x=15

-11 x -89 - 4x = 15

979 - 4x = 15

-4x = -964

x = 241

Therefore, the value of x is 241 and the value of y is -89.

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In the morning, the train went 170 miles. in the afternoon the train went 50 more miles. The Train ended up going 220 miles in total.

In the morning, the train traveled 170 miles.

In the afternoon, it traveled an additional 50 miles.

To find the total distance traveled by the train, we need to add the distance traveled in the morning and the distance traveled in the afternoon:

Total distance = Distance traveled in the morning + Distance traveled in the afternoon

Total distance = 170 miles + 50 miles

Total distance = 220 miles

So, the train ended up traveling a total of 220 miles.

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The two solutions of the quadratic equations are 8,-4 and the negative solution -4

A quadratic equation can be written in the standard form as ax2 + bx + c = 0, where a, b, c are constants and x is the variable. The values of x that satisfy the equation are called solutions of the equation, and a quadratic equation has at most two solutions.

Given here: when 32 subtracted from the square of a number and the result is 4 times the number.

Let x be the number then we have

x²-32=4x

x²-4x-32=0

x²-8x+4x-32=0

x(x-8)+4(x-8)=0

(x-8) (x+4) =0

Thus the two solutions of the quadratic equations are 8,-4

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Repeatedly  sample variance from a small population without replacement leads to the outcomes in our sample being non-independent, as the same individuals may be chosen multiple times.

Repeatedly  sample variance from a small population without replacement can lead to skewed results, as the same individuals may be chosen multiple times. This can be problematic when the sample size is small, as the same individuals may be overrepresented in the sample. This can lead to outcomes that are not representative of the population and can lead to inaccurate results. As the same individuals are chosen multiple times, the outcomes in the sample are not independent; the outcomes of one individual can influence the outcomes of other individuals in the sample. This can lead to bias in the results and should be avoided when possible. When sampling from a small population without replacement, it is important to ensure that the sample size is large enough that the same individuals are not chosen multiple times, otherwise the results may be skewed or biased.

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Sampling repeatedly from a small population without replacement leads the outcomes in our sample to be dependent.

In dependent samples, subjects in one group do provide information about subjects in other groups.

The number of tone of sugar that will make the charge of the two company same is 18tons and the charge $5702

Simultaneous equations are two or more algebraic equations that share variables e.g. x and y . They are called simultaneous equations because the equations are solved at the same time. For example, below are some simultaneous equations: 2x + 4y = 14 4x − 4y = 4.

Represent the amount of ton of sugar by x

T = 4500+ 150.25x equation 1

T = 3141 + 225.75 x equation 2

subtract equation 1 from 2

-1359 + 75.5x = 0

75.5x = 1359

x = 1359/75.5

x = 18

therefore the no of tones that will make the charge of the companies same is 18 tonnes of sugar.

And there cost will be ;

T = 4500+150.25(18)

T = $5702

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Answer:

x = 2/3

y = 5

Step-by-step explanation:

6x + y = 9

3x -4y = -18

Times the second equation by -2

6x + y = 9

-6x + 8y = 36

9y = 45

y = 5

Now put 5 in for y and solve for x

6x + 5 = 9

6x = 4

x = 2/3

Let's check

6(2/3) + 5 = 9

4 + 5 = 9

9 = 9

So, x = 2/3 and y = 5 is the correct answer.

Answer:

rectangular prism has 6 faces, 8 vertices (or corners) and 12 edges.

Step-by-step explanation:

hopefully this is the answer you are looking for.

Answer:

Step-by-step explanation:

Lin counts 5 bacteria under a microscope. She counts them again each day for four days, and finds that the number of bacteria doubled each day—from 5 to 10, then from 10 to 20, and so on.

Is the population of bacteria a function of the number of days? If so, is it linear? The population of bacteria is a function. The relationship is linear.

Answer:

Let's call the measure of the first angle "x". Then, the equation can be written as:

x = 3y - 8

Since the angles are supplementary, their measures add up to 180 degrees, so:

x + y = 180

We can substitute the first equation into the second equation to solve for y:

3y - 8 + y = 180

4y = 188

y = 47

Now that we know the measure of y, we can substitute it back into the first equation to find x:

x = 3(47) - 8 = 133

So the measure of the larger angle is 133 degrees.

Answer:

To calculate the cost of painting the top surface of 20 engine parts, we need to find the surface area of one engine part and then multiply it by 20.

To find the surface area, we need to find the length of the curved surface. We can do this by using the Pythagorean theorem to find AB and then use that to find the circumference of the curved surface.

AB^2 = BO^2 + AO^2 = 9 + 36 = 45

AB = sqrt(45) = 3 sqrt(5)

Circumference = 2 * pi * AB = 2 * pi * 3 sqrt(5) = 6 pi sqrt(5)

Using the fact that the reflex angle BÔC is 240 degrees, we can find the length of the curved surface:

240° / 360° = 2/3 of the circumference

Curved surface length = 2/3 * 6 pi sqrt(5) = 4 pi sqrt(5)

Finally, we can find the surface area of one engine part:

Surface area = (2 * 6 * 3) + (4 pi sqrt(5) * 6) = 36 + (24 pi sqrt(5))

To paint 20 engine parts, the cost would be:

20 * surface area * 15p = 20 * 36 + 20 * 24 pi sqrt(5) * 15p = 720 + (24 * 20 * 15 * pi * sqrt(5)) p = 720 + 720 pi sqrt(5) p

Since 1 pound is equal to 100 pence, the cost in pounds would be:

720 + 720 * pi * sqrt(5) / 100 = 720 + 720 * 0.177 / 100 = 720 + 1.264

So, the cost to paint the top surface of 20 engine parts would be 721.264 pounds.

Answer:

Step-by-step explanation:

To find the speed of the truck, we need to divide the distance by the time taken:

Speed = Distance ÷ Time

Here, the distance traveled is 350 miles, and the time taken is 8 3/4 hours. We can convert 8 3/4 hours to an improper fraction as follows:

8 3/4 = (8 × 4 + 3) / 4 = 35/4

Now we can substitute these values in the formula to get the speed:

Speed = Distance ÷ Time

Speed = 350 miles ÷ 35/4 hours

Speed = 350 miles × 4/35 hours

Speed = 40 miles/hour

Therefore, the speed of the truck is 40 miles per hour.

Step-by-step explanation:

x+4y=0

2x−y=18

​To solve a pair of equations using substitution, first solve one of the equations for one of the variables. Then substitute the result for that variable in the other equation.

x+4y=0,2x−y=18

Choose one of the equations and solve it for x by isolating x on the left-hand side of the equal sign.

x+4y=0

Subtract 4y from both sides of the equation.

x=−4y

Substitute −4y for x in the other equation, 2x−y=18.

2(−4)y−y=18

Multiply 2 times −4y.

−8y−y=18

Add −8y to −y.

−9y=18

Divide both sides by −9.

y=−2

Substitute −2 for y in x=−4y. Because the resulting equation contains only one variable, you can solve for x directly.

x=−4(−2)

Multiply −4 times −2.

x=8

The system is now solved.

x=8,y=−2

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Step-by-step explanation:

Let’s start with y.

Because they are opposite angles on 2 180 degrees lines 102 = y-17

Now solve

102 = y - 17

Now add 17 to both sides

119 = y

For x

Because it is on a 180 degree line

102 + 3x = 180

Now subtract 102 from both sides

3x = 78

Now divide each side by 3 to get x alone

x = 26

This proves the answer is in fact A

Answer:

$55.44 is the price of the sunglasses

Step-by-step explanation:

Price Of Sunglasses = $56

10% Discount = $5.6

So, $56-$5.6 = $50.4 <------ Applying Discount

10% of $50.4 = $5.04 <------ Price of Processing Fee for Discounted Price

$50.4+$5.04 = $55.44 <------ Total Price

The discounted price is $50.4 and we take 10% of that [discounted price] and we add it to the discounted price. 10% of that is $5.04. = $55.44

Answer:

$55.44

Step-by-step explanation:

56 - 56(0.10) = 50.40  price with 10% off

50.40 + 50.40(0.10) = 55.44   10% processing fee added to discounted price

We are this cut into 32, that is, 32 centimeters long is cut into 2 pieces. So let's do that. First, we're going to cut this ore into 2 pieces, didn't say down the middle, so we're going to say this has a piece length of x, which means this piece is going to have a length of 32 minus x. So what we're going to do is we're going to take each 1 of these pieces. Let me get them in different colors here and we're going to make a square out of each 1 of those pieces so for the blue piece, we're going to have this square and for the green piece we're going to have a square. That'S a little bit longer and we want to know the function for the area. Well, let's see how for the area, then we're going to need to take sides squared, so we need to figure out what the sides are for each 1 of these squares. Well, since we're wrapping it around we're going to separate this into 4 separate pieces, so that's going to be x over 4 would be a length of that side. We'Re going to do the same thing here and get 32 minus x over 4. Wrapping that green around to get that particular length. So that means the area of this blue square is going to be x over 4 squared. The area of this green square is gonna, be 32 minus x over 4 squared. So our total area is going to be x over 4 squared plus 32 minus x over 4 squared. They now want us to minimize this. We have to simplify this. That'S gonna, be x, squared over 16 plus and that's going to be over 16 was 32 times. 32 poiokay 1024 minus 64 x plus x, squared all that's over 16 point, so it's going to end up being 2 x, squared minus 64 x plus 1024. Over 16 point. I want to make this a pretty polly. So im gonna make this x squared over 8 minus 4 x and then that's going to be 64 point. Well, we want to minimize the area i see here. We have a quadratic with a leading coefficient that is positive, so means we're going to have a parabola that opens down, so our vertex is going to be our minimum. We'Re going to look at that and say that our vertex is going to be negative b over 2 a when i look at this particular equation. I see that we have a coefficient of 1 eighth on my square term. That'S going to be my value of a and we have a negative 4 on our ex term. That'S going to be our value of b! So i'm going to substitute that here and get negative negative 4 over 2 times 18 point. So that's going to be 4 over 1. Fourth, which is going to be 116 point, so x is going to have a value of 116 point. What is going to be that area for we now need to take that 1 sixteenth and put it in place of x. So i'm going to do that in a of x. I winna get a of 116 point, so thats gonna be 1 eighth times 1. Sixteenth squared minus 4 times 1, sixteenth minus 64 point. So let's see what that's going to be. This should have been 16, not 116 point. So i'm going to go back and redo this with 16 point where's, my racer! Sorry about that gem! Reciprocal is mixed up. So that's gonna be 16 point. So let's see what that's going to be: that's going to be 1 over 8 times, 16 times 16 point. So that's going to be 32 point and then we're goin to have minus 64 minus 64 point something all right. So that should ave been a plus so were maximum area is going to be mum area.

Answer:

$150.35

Step-by-step explanation:

Total commission taken from sale = $155,000 * 5% = $7,750.

Broker = $7,750 * 2% = $155.

Office assistant = $7,750 * 1% = $77.5.

Debby's profit = $7,750 - $155 - $77.5 = $7,517.5 * 2% = $150.35.

Step-by-step explanation:

Solution: Let the current ages of the father be F and that of the son, S.

Three years ago their ages were (F-3) and (S-3) and the sum was 48, or

F+S = 48+3+3 = 54, or

F = 54-S …(1)

(F+3) : (S+3) = 3:1, or

F+3 = 3S+9, or

F = 3S+6 …(2)

Equate (1) and (2): 54-S = 3S+6, or

4S=48, or S = 12 and So F = 42.

The father is 42 years and the son 12 years,

Answer:

+3 year after now Dad = 45; Son = 15 ====>   30 years old

now                       Dad = 42; Son = 12 ====>   30 years old

-3 year after now Dad = 39; Son = 9 =====>   30 years old

Step-by-step explanation:

Before 3 year is 48 so after 3 year is + 6 right???

so ==> 48 + 6(father and son so it's 2) + 6(same same) ==> 60

the ratio is 3:1 so son gets 1 dad gets 3 right?

==> 4 is the sum

So son is 60/4x1 = 15

Dad is 60/4x3(dad have three remember?) = 45

so now dad and son will be:

Dad = 45 -3 (only dad ok?) = 42

Son = 15-3(only son) = 12

so you can find the before to by minus 3 again ok??

Thanks for seeing

Tell me if it's wrong or right :P | XD | (❁´◡`❁)

Answer:

Geometry in Mathematics is the study of shape and figures.

Answer:

Geometry refers to a branch of mathematics which is focused on the measurement and relationship of lines, angles, surfaces, solids and points. For instance, the calculation of a triangle's angles is an example of geometry.

The simplified expression 2-6/-2-4-12/6x-3 is given as follows:

-2 - 2x.

The expression for this problem is defined as follows:

[tex]2 - \frac{6}{-2} - 4 - \frac{12x}{6} - 3[/tex]

The division operation has a higher precedence over the subtraction operations, hence:

Hence the expression can be written as follows:

2 - (-3) - 4 - 2x - 3 = 2 + 3 - 4 - 2x - 3.

Then combining the like terms, which are the constant, the simplified expression is given as follows:

-2 - 2x.

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Answer:

1. We can think of the beaver population as a function of time in years because it shows how the population changes over time. The graph shows a direct correlation between the number of years after 1995 and the number of beavers in the forest, indicating that the population of beavers is dependent on the number of years that have passed since 1995.

2. The point labeled Q represents the exponential growth rate of the beaver population.

3. An equation using function notation to represent this situation would be: P(t) = P0 * e^kt, where P(t) is the population at time t (in years after 1995), P0 is the initial population of beavers in 1995, and k is the constant exponential growth rate.

The Original price of each sketchbook when sales on each book was $3 off is $6.

Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.

It demonstrates the equality of the relationship between the expressions printed on the left and right sides.

LHS = RHS is a common mathematical formula.

Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.

Given:

Mr. Olin bought 6 sketchbooks for the students in his art class.

Each sketchbook was on sale for $3 off.

If the sketchbooks cost $18 total before tax.

So, the equation to represent the Scenario is

6(x-3)= 18

6x - 18 = 18

6x = 36

x = 36/ 6

x = 6

Thus, the original price is $6.

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The zeroes of the quadratic function 2x² - 7x - 4 is 1 and 4,

known as roots.

A quadratic equation is an algebraic expression in the form of variables and constants.

itsA quadratic equation has two roots as it's degree is two.

We know, The general form of a quadratic equation is x² + bx + c.

Let, y = x² + bx + c.

At, (0, - 2).

- 2 = 0 + 0 + c.

c = - 2.

At, (4, 0).

0 = 4² + 4b - 2.

0 = 14 + 4b.

b = - 7/2.

So, It is x² - (7/2)x - 2 = 0.

2x² - 7x - 4 = 0.

2x² - 8x + x - 4 = 0.

2x(x - 4) - 1(x - 4) = 0.

(x - 4)(x - 1) = 0.

So, the zeroes of the function are 4 and 1.

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If jack has three packs of gum and sam has 4 packs of gum, then the total amount of gum they have together is 7 packs.

What is the addition?

The addition is putting numbers together to make a sum or total. The plus sign + tells you to add two numbers. = is an equals sign. It shows that things on either side of it are equal.

We have given,

Jack has 3 packs of gum and Sam has 4 packs of gum.

To find the total number of packs of gum they have together, we simply add their individual amounts:

3 packs (Jack) + 4 packs (Sam) = 7 packs

Therefore, the total amount of gum they have together is 7 packs.

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There, ages are as follows:

Madhu's grandfather age = 72 years

Madhu father's age = 46 years

Madhu age = 17 years

Madhu's father is 26 years younger than Madhu's grandfather and 29 years older than Madhu.

The sum of the ages of all three is 135 years.  

Therefore, let's find their ages as follows:

Let

Madhu's grandfather age = x

Madhu father's age = x - 26

Madhu age = x - 26 - 29 = x - 55

Therefore,

x + x - 26 + x - 55 = 135

3x = 135 + 81

3x = 216

divide both sides by 3

x = 216 / 3

x = 72

Hence,

Madhu's grandfather age = 72 years

Madhu father's age = 72 - 26 = 46 years

Madhu age = x - 26 - 29 = 72 - 55 = 17 years

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Answer:10x+35

Step-by-step explanation: