The distance betwen the spots are
AD = 2DF = 4EG = 4AC = 5BD = 6How to determine the distance between the spotsFrom the question, we have the following parameters that can be used in our computation:
The coordinates of the spots
The distance between them is then calculated as
Distance = √[(x₂ - x₁)² + (y₂ - y₁)²]
Using the above as a guide, we have the following:
AD = √[(-4 + 4)² + (3 - 1)²] = 2
DF = √[(-4 + 4)² + (1 + 3)²] = 4
EG = √[(5 - 5)² + (1 + 3)²] = 4
AC = √[(-4 - 1)² + (3 - 3)²] = 5
BD = √[(2 + 4)² + (1 - 1)²] = 6
The above values represent the distance betwen the spots
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Billy bought a bag of jelly beans from the store. Billy counted the jelly beans
when he got home and counted a total of 55. The bag contained red and blue jelly beans. The nume cof blue jelly beans was 5 less than three times the number of red jelly beans. How many jelly beans were there of each color?
Use a Let statement to define your variables.
Set up two equations and solve for the number of red and blue jelly beans.
The number of red jelly beans and blue jelly beans are 15 and 40 respectively.
How to represent situation with an equation?Billy bought a bag of jelly beans from the store. Billy counted the jelly beans when he got home and counted a total of 55. The bag contained red and blue jelly beans. The number of blue jelly beans was 5 less than three times the number of red jelly beans.
Therefore, let's find the jelly beans of each colour.
Using equation,
let
x = number of blue jelly beans
y = number of red jelly beans
Therefore,
x + y = 55
x = 3y - 5
Therefore,
x + y = 55
-x + 3y = 5
add the equations
4y = 60
y = 60 / 4
y = 15
x = 55 - 15
x = 40
Therefore,
number of blue jelly beans = 40
number of red jelly beans = 15
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Write an equation of the line in point-slope that passes through the given points. (-1,-3) and (-7,-4)
Answer:
y=1/6x+3
Step-by-step explanation:
THe equation of the graph is y=mx+c
so,
m= { (-3)-(-4) } / (-1)-(-7) = 1/6
intercept = (0,y)
1/6= (y+3)/1
y=3
so, the equation ⇒y=1/6x+3.
What is the slope-intercept form of the function described by this table?
x 0 1 2 3
y 3 8 13 18
Enter your answer by filling in the boxes.
y =
x +
The slope-intercept form of the function described by this table?
x 0 1 2 3
y 3 8 13 18. is y = 5x + 3
How did we get the value?The slope-intercept form of a linear equation is given by y = mx + b, where m is the slope of the line and b is the y-intercept. To find the equation that fits the table, we can use the two points (0, 3) and (1, 8) to calculate the slope and y-intercept.
First, calculate the slope:
m = (8 - 3) / (1 - 0) = 5
Next, use the point-slope form of a line to find the y-intercept:
y - 3 = 5(x - 0)
Expanding the right-hand side:
y - 3 = 5x
Adding 3 to both sides:
y = 5x + 3
So, the slope-intercept form of the function described by the table is:
y = 5x + 3
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Omit all observations (rows) that have missing values. How many observations remain in the data
There are 2 observations remaining in the data
How to determine the number of observations remainingThe complete question is added as an attachment
From the question, we have the following parameters that can be used in our computation:
The table of values
From the table of values. we have
Number of observations = 5
Observations with missing values = 3
So, we have
Remaining =5 - 3
Evaluate
Remaining = 2
Hence, the remaining observations is 2
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Use the definition of continuity and the properties of limits to show that the function
The given function
g(x) = (x√x)/(x - 6)²
is continuous at x = 36,
What is continuity ?In mathematics, The function is called as continuous at the particular value of x, if right hand limit, left hand limit and the value of function at x all are equal.
RHL = LHL = F(x)
Limit exist and continuous
Given that,
F(x) = (x√x)/(x - 6)²
To check whether it is continuous at x = 36
First taking LHL,
[tex]\lim_{h \to \00}[/tex] [(36-h)√(36-h)]/((36-h) - 6)²
[tex]\lim_{h \to \00}[/tex] [(36-0)√(36-0)]/((36-0) - 6)²
⇒ (36 x 6)/30²
⇒ 6/25
Now, taking RHL
[tex]\lim_{h \to \00}[/tex] [(36+h)√(36+h)]/((36+h) - 6)²
[tex]\lim_{h \to \00}[/tex] [(36+0)√(36+0)]/((36+0) - 6)²
⇒ (36 x 6)/30²
⇒ 6/25
The value at x = 36
F(-1) = [(36)√(36)]/((36) - 6)²
⇒ (36 x 6)/30²
⇒ 6/25
RHL = LHL = F(36)
Hence Proved, the function is continuous at x = 36
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Toby bought a duffel bag. He gave the cashier $18.44 and received $1.79 in change. How much did the duffel bag cost? $
Answer: 16.65
Step-by-step explanation:
Law of Exponents: Power to a Power & Power of a product rules, I’m not understanding how is this the correct answer. Explanation Please & Show all Work!
The expression (3a⁸)⁹ * (3b⁵)² is solved to get 3¹¹a⁷²b¹⁰
How to solve the expressionpower or exponents as used in mathematics are number written on top of a base number. The power says how many times the base number multiplies itself.
The problem is solved as follows
= (3a⁸)⁹ * (3b⁵)²
raising the terms by power of 9 and 2 accordingly
= (3^9 * a^(8 * 9)) * (3^2 * b^(5 * 2) )
= (3^9 * a^(72)) * (3^2 * b^(10) )
collecting base 3
= (3^9 * 3^2 * a^(72) * b^(10))
= (3^(9 + 2) * a^(72) * b^(10))
= (3^(11) * a^(72) * b^(10))
rewriting the expressions
= 3¹¹a⁷²b¹⁰
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How much would you need to deposit in an account now in order to have $3000 in the account in 10 years? Assume the account earns 5% simple interest. Round your answer to the nearest cent.
The amount to be deposited for 10 years is $2000.
Given that,
Simple interest is 5%
The amount to be in the account is $3000
The time period is 10 years.
The formula associated with these values is
A = P(1+rt)
where A = amount after 10 years
P = amount to be deposited in the account
r = rate of interest
t = time period
By applying the formula,
3000 = P (1+ (5% × 10))
3000 = P (1+ (0.05 × 10)
3000 = P (1 + 0.5)
3000 = P (1.5)
P = 3000/1.5
P = 2000 $
Therefore, $2000 should be deposited in an account in order to have $3000 in the account after 10 years.
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A person cycles from their home to a library which is 8 kilometers away. It takes them 20 minutes to reach the library. They stay there for 30 minutes to read, and then
walk to their friend's home which is 4 kilometers from the library and reach there in 20 minutes. Which graph best represents this situation?
The graph that best represents the situation, given the person cycling from home to the library, is Graph C.
Which graph is best ?The graph that would best represent the situation would show that the person cycling, stopped moving after 8 kilometers because they were at the library.
The graph should also show that after 30 minutes, the person left the library which is shown in Graph C as:
= 50 - 20 minutes
= 30 minutes
The best graph is therefore Graph C.
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If the terminal side of angle θ goes through the point (√5/5,2√5/5) on the unit circle, then what is cos(θ)?
The cosine of the angle θ is √5/5 whose terminal side passes through the given point
What are trigonometric functions?In mathematics, trigonometric functions are real functions that relate an angle of a right-angled triangle to ratios of two side lengths. The six trigonometric functions are Sine, Cosine, Tangent, Secant, Cosecant, and Cotangent.
Given here: The terminal side goes through the point (√5/5,2√5/5)
Thus we have cosθ =√5/5 and sin θ =-2√5/5
now tan θ =sinθ /cosθ
tanθ =-2√5/5 / √5/5
θ = 63.434
Hence, cosθ =√5/5
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Es el valor del numero que ocupa el lugar de las centenas en 25 450
The value of the number that occupies the hundreds place in 25,450 is 400
What is Counting?Calculating a set's size, or the number of elements in a finite collection of objects is the process of counting.
In a counting sequence, there are different units used such as:
TensHundredsThousandsTens of thousands, etcHence, in the value of 25,450,
The value that is found in the hundreds place is 400
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The English translation is:
What is the value of the number that occupies the hundreds place in 25,450
In traveling across flat land, you notice a mountain directly in front of you. Its angle of elevation (to the peak) is 3.5°. After you drive x = 11 miles closer to the mountain, the angle of elevation is 9°. Approximate the height of the mountain. (Round your answer to one decimal place.)
Answer:
3.2 miles
Step-by-step explanation:
To approximate the height of the mountain, we need to use the tangent function in trigonometry. We have two angles of elevation and the distance between the observer and the mountain, which we can use to create a right triangle.
Let h be the height of the mountain and d be the distance from the observer to the foot of the mountain.
At the first observation, we have:
tan(3.5°) = h/d
And at the second observation, when the observer is 11 miles closer to the mountain:
tan(9°) = h/(d-11)
Dividing the two equations, we have:
tan(9°) / tan(3.5°) = h/(d-11) / h/d
Solving for h, we have:
h = (d * tan(9°)) / (tan(3.5°) + 1)
We don't have an exact value for d, so we can use an estimate based on the difference in distance between the two observations.
Since d-11 = 11 miles, we have:
d = 11 * 2 = 22 miles
Using this estimate and the given angles, we can approximate the height of the mountain:
h = (22 * tan(9°)) / (tan(3.5°) + 1) = (22 * 0.156434465) / (0.066012183 + 1)
= 22 * 0.156434465 / 1.066012183 = 22 * 0.146838446 = 3.23 miles
The height of the mountain is approximately 3.2 miles to one decimal place.
What is the number of individual outcomes when spinning the wheel three times?
12, 4, 3, 64
1:4
it would be 1 to the ratio of 4 because its 4 numbers listed only once which means youll have a chance of one out of 4 to get one number four different times
Suppose that R and S are points on the number line. If RS= 11 and S lies at 5, where could R be located?
R and S are points on the number line. If RS= 11 and S lies at 5, where could R be located 16 or -6.
What do you mean by number line?A number line is a visual representation of numbers arranged in a continuous sequence along a straight line. It is used to represent the real numbers and to help visualize relative sizes and order of numbers. The numbers on a number line are placed at equal intervals, and the distance between two numbers represents the magnitude of the difference between them.
A typical number line starts from a specific number on the left, such as zero, and extends to the right, with positive numbers increasing as you move to the right and negative numbers decreasing as you move to the left. Points on the number line correspond to specific numbers, and the position of a point on the line represents the value of that number.
The number line is a useful tool in mathematics for solving problems, such as determining the solution to an equation, estimating the value of a decimal or fraction, or visualizing the magnitude of a negative or positive number. It is also used in geometry to represent the positions of points and to understand concepts such as distance and midpoint.
If S lies at 5 on the number line and RS = 11, then R could be located at either 5 + 11 = 16 or 5 - 11 = -6. So, R could be at either 16 or -6 on the number line.
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The sector shows the area of a lawn that will be watered by a sprinkler. What is the area, rounded
to the nearest tenth?
Use 3.14 for .
30°
10 ft
26.2 square feet
95.5 square feet
5.2 square feet
191.1 square feet
The area of the lawn that will be watered by the sprinkler is 191.1 square feet, rounded to the nearest tenth.
What is area?Area is a measurement of the size of a two-dimensional surface, such as a square, rectangle, or circle. It is calculated by multiplying the length of the surface by its width. Area can also be measured in terms of square units, such as square feet or square meters. Area is an important concept in mathematics and is used to measure the size of shapes and objects. It is also used to find the total area of a group of shapes.
To calculate the area, use the formula A = r2θ, where A is the area, r is the radius, and θ is the central angle in radians. In this scenario, the radius is 10 ft and the central angle is 30°, or π/6 radians. Plugging these numbers into the formula, we get A = (10 ft)2(π/6 radians), or 191.1 square feet.
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I need to know x and y
x = 2
y = 2 [tex]\sqrt{2}[/tex]
Step-by-step explanation:Special right triangles are triangles with specific angle measurements whose side lengths have patterns.
45-45-90 Triangle
The triangle above is a 45-45-90 triangle since it has two 45-degree angles. For this explanation, let a and b represent the legs of a right triangle and c be the hypotenuse. In this type of triangle, the legs are equal, so a=b. The hypotenuse is [tex]\sqrt{2}[/tex] times the leg length. So, c = a√2.
Finding x and y
In this problem, x is one of the legs. This means that x = 2 since 2 is the length of the leg. The y-value represents the hypotenuse, so we can multiply the leg by √2. Thus, y = 2√2.
Avery was modeling the number of people standing in line to enter a park. She saw that at 8:04am. there was 35 people standing in line and at 8:09 a.m. there were 65 people standing in line. If represents the number of people standing in line and m represents the minutes since 8:00 a.m., answer the follow questions.
a). Represent the information given in the problem as two coordinate points, where the input is the minutes since 8:00 a.m. and the output is the number of people in line.
b). If the relationship between the minutes since 8:00 a.m. and the number of people in line is linear, then what is the slope of the linear function? Include units in your answer.
c). Assuming the relationship is linear, how many people were standing in line at 8:00 a.m.? Show how you found your answer.
d). Write a linear function for the number of people standing in line, n, as a function and number of minutes, m, since 8:00 a.m.
(e) If the linear function in (d) is valid until the park opens at 9:00 a.m., how many people are standing in line when the park opens?
The value of b set to 2 is the third option, which is the correct one.
Find the linear equation ?The provided equation is h(x) = -x + 5.
We obtain b=5 when comparing with the slope-intercept form y = mx+b.
Consequently, the y-intercept is at 5.
To lower the graph by three units, we must make changes.
As per the transformational laws, f(x)+c shifts c units upward, whereas f(x)-c shifts c units downward.
Therefore, we need to subtract the supplied function by 3 in order to move the graph down 3 units, and we get
y = -x+5 -3
y = -x +2.
Here, the y-intercept is 2.
The provided equation is h(x) = -x + 5.
The value of b set to 2 is the third option, which is the correct one.
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PLEASE HELELPEPE PLEASEEEE
so a and b are positive integer
so when we put the all options in place of a one by one in equation we will get
a+26=b²
10+26= b²
b=√36
b= 6
so a must be 10.
What is 55/99 rounded to the nearest half?
Answer:
1/2 i think this is it
Step-by-step explanation:
can you answer this for me please
The length of LN for the triangle is 18.
What are triangles?A triangle is a three-sided polygon because it has three edges and three vertices. The most important attribute of a triangle is the sum of its internal angles to 180 degrees
Given triangle JKL,
and MN is parallel to JK,
taking ΔJKL and ΔLMN
∠L = ∠L (common angle)
because MN is parallel to JK, so corresponding angles are equal,
so ∠K = ∠N
and ∠J = ∠M
ΔJKL ≈ ΔLMN(triangles are similar)
since both triangles are similar the ratio of their corresponding sides is equal,
JL/LM = JK/MN = LK/LN
and JK = 55 and LK = 33
and MN = 12 + LN
JK/MN = LK/LN
substitute the values
55/(12 + LN) = 33/LN
55LN = 33(12 + LN)
55LN - 33LN = 396
22LN = 396
LN = 396/22
LN = 18
Hence the length of LN is 18.
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Two high speed ferries leave at the same time from a same city to go to the same island. The first ferry, the Cat, travels at 38 miles per hour. The second ferry, the bird, travels at 25 miles per hour. In how many hours will the two ferries be 13 miles apart?
f(x) = (x-1)/4
g(x) = 2x + 5
for what value of x is g(x) =f^-1(x) true?
For x=2, the functions g(x)=[tex]f^{-1}(x)[/tex] are true.
What is the function?Functions are the fundamental part of the calculus in mathematics. The functions are the special types of relations. A function in math is visualized as a rule, which gives a unique output for every input x.
The given function is f(x)=(x-1)/4 and g(x)=2x+5.
Here, y=(x-1)/4
Interchange x with y and y with x, we get
x=(y-1)/4
4x=y-1
y=4x+1
[tex]f^{-1}(x)[/tex]=4x+1
Now, g(x)=[tex]f^{-1}(x)[/tex]
2x+5=4x+1
2x=4
x=2
Therefore, for x=2, the functions g(x)=[tex]f^{-1}(x)[/tex] are true.
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Jeff purchased 7 gumballs for $0.25 each and 3 pieces of gum. He spent a total of $2.05. How much did each piece of gum cost?
Write the equation for this
problem.
Answer:
Each piece of gum is 10cents
Step-by-step explanation:
7 x 0.25 then subtract that from 2.05 then divide by the 3pieces of gum
Answer: (0.25 x 7) + 3x = 2.05 and $0.10 per piece of gum
Step-by-step explanation:
Jeff purchased 7 gumballs for $0.25 each, which is [tex](0.25*7)[/tex]
Jeff then purchased 3 pieces of gum, but we don't know for how much so the cost becomes [tex]x[/tex] and then [tex]3x[/tex]
The final cost then comes down to $2.05, therefore [tex](0.25*7)+3x=2.05[/tex] and solve for [tex]x[/tex] to find the cost of each piece of gum
[tex]1.75+3x=2.05[/tex]
[tex]3x=0.3[/tex]
[tex]x=0.1[/tex]
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During a heavy rainstorm a river became flooded. The flood waters still have 2/3 of the way to go back down until the depth of the water is at the normal level. If it continues to recede at a rate of 1/9 the flood level per hour, how many more hours will it take for the
water to reach its normal depth?.
Answer:
162/5 hours.
Step-by-step explanation:
Let's call the normal depth of the river "D". Since 2/3 of the way to go back to normal is still flooded, the current depth of the water is D + 2/3D = 5/3D.
The flood waters recede at a rate of 1/9 the flood level per hour, so the change in water level each hour is -1/9 * 5/3D = -5/27D.
To find the number of hours it takes to go from the current depth (5/3D) to the normal depth (D), we need to divide the change in depth (-5/27D) by the change in depth per hour (-5/27D): (5/3D - D) / (-5/27D) = (5/3D - D) / (-5/27D) = -(5/3D - D) / (5/27D) = (2/3D) / (5/27D).
This can be simplified to 2/3 * 27/5 = 162/5 hours. The answer is 162/5 hours.
Answer: Since the flood waters still have 2/3 of the way to go back down to reach the normal level, it means that 1/3 of the flood level has already receded.
If the flood level recedes at a rate of 1/9 the flood level per hour, then it will take 1/9 * 1 hour = 1 hour to recede 1/9 of the flood level.
Therefore, to recede 2/3 of the flood level, it will take 2/3 * 1/9 hours = 2/27 hours.
Since there are 60 minutes in 1 hour, the time it takes for the flood waters to reach the normal level in minutes is: 2/27 hours * 60 minutes/hour = 20 minutes.
Therefore, it will take 20 more minutes for the water to reach its normal depth.
Step-by-step explanation:
hola, porfavor, ayuda.
Función Objetivo
Maximizar: Z = 30X1 + 50X2
Sujeto a:
Restricción 1: X1 + 3X2 ≤ 200
Restricción 2: X1 + X2 ≤ 100
X1, X2 ≥ 0
The values of X1 and X2 that maximize the function Z = 30X1 + 50X2 are given as follows:
X1 = 50.X2 = 50.The maximum value is given as follows:
4000.
How to maximize the function?The function for this problem is defined as follows:
Z = 30X1 + 50X2.
The constraints are given as follows:
X1 + 3X2 ≤ 200X1 + X2 ≤ 100.X2 has the higher multiplier, hence we should:
Minimize X1.Maximize X2.The maximum value of X2 is obtained when:
X2 = 100 - X1.
Replacing into the first equation, the value of X1 is given as follows:
X1 + 3(100 - X1) = 200
-2X1 = -100
2X1 = 100
X1 = 50.
Hence the value of X2 is of:
X2 = 100 - X1
X2 = 50.
The maximum value of the function is obtained as follows:
Z = 30 x 50 + 50 x 50
Z = 4000.
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solve this equation
3/5x-2=2/3x-1
The solution to the equation 3 / 5x-2 = 2 / 3x-1 is x = 1.
What is the solution to the given equation?Given the equation in the question;
3 / 5x-2 = 2 / 3x-1
To solve for x, cross multiply the equation
3 / 5x-2 = 2 / 3x-1
3( 3x - 1 ) = 2( 5x - 2 )
Apply distributive property
3( 3x - 1 ) = 2( 5x - 2 )
3×3x + 3×-1 = 2×5x + 2×-2
9x - 3 = 10x - 4
Subtract 10x from both sides
9x - 10x - 3 = 10x - 10x - 4
9x - 10x - 3 = - 4
Add 3 to both sides
9x - 10x - 3 + 3 = - 4 + 3
9x - 10x = - 4 + 3
-x = -1
Divide both sides by -1
-x/-1 = -1/-1
x = 1
Therefore, the value of x is 1.
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What is the equation for Chin’s charges needed to solve the system and find the cost of the initial and additional hours?
The equation, in slope-intercept form is y = 0.75x + 1.75
How to determine the equation, in slope-intercept formThe equation for total cost can be represented in slope-intercept form as:
y = mx + b
where y is the total cost, x is the number of tacos,
m is the slope (the cost per taco), and b is the y-intercept (the cost of the drink).
So in this case,
m = 0.75 (the cost per taco),
b = 1.75 (the cost of the drink), and
x is the number of tacos.
So, the equation is:
y = 0.75x + 1.75
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Complete question
Chin is sells food at a local taco truck. She sells a soda which costs $1.75. Tacos cost $0.75 each.
What is the equation for Chin’s charges needed to solve the system and find the cost of the initial and additional hours?
32 thousands 6 hundreds 8 ones
32 thousands 6 hundreds 8 ones can be rewritten as 32608
What is the BODMAS rule?According to the BODMAS rule, the brackets have to be solved first followed by powers or roots (i.e. of), then Division, Multiplication, Addition, and at the end Subtraction. Solving any expression is considered correct only if the BODMAS rule or the PEMDAS rule is followed to solve it.
Given here: 32 thousands 6 hundreds 8 ones
Thus we can rewrite as 32×1000+6×100+8×1=32608
Numbers in words are written using the English alphabet. Numbers can be expressed both in words and figures. For example, 100,000 in words is written as One Lakh or One hundred thousand. Numbers in words can be written for all the natural numbers, based on the place value of digits, such as ones, tens, hundreds, thousands, and so on.
Hence, 32 thousands 6 hundreds 8 ones can be rewritten as 32608
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2. What is the correlation between the number of hours driving and the number of gallons of gas used?
In Exercises 17–20, u is an acute angle and sin u and cos u are
given. Use identities to find tan u, csc u, sec u, and cot u. Where
necessary, rationalize denominators
20.
Answer:
Tan u = sin u/cos u, csc u = 1/sin u, sec u = 1/cos u, and cot u = cos u/sin u. The denominators of the fractions can be rationalized by multiplying the numerator and denominator by the conjugate of the denominator.
Step-by-step explanation: