Create two different explicit equations that describe the values in the table. Use a different point in the table for each of the equations you create. Choose one of the equations you created to produce an equivalent form that reveals the y intercept of the function within the equation.
Answers
Answer:
Step-by-step explanation:
if x were starting at 0, we would have
y = (x - 7)×7 = 7x - 49
but we start at x = 57. We need adjust for these extra 57 to get the above equation.
so, it
y = (x - 57 - 7)×7 = (x - 64)×7 = 7x - 448
so, for
y = (x - 64)×7
I choose x = 57
y = (57 - 64)×6 = -7×7 = -49
for
y = 7x - 448
I choose x = 58
y = 7×58 - 448 = 406 - 448 = -42
from this form we get the y-intercept (the y- value when x = 0) : -448
Related Questions
PLEASE HELP
calculate (30m) (2.01m). Use the correct number of significant digits in the answer
Answers
The expression 30m × 2.01m will be 60.3m²
How to illustrate the expression?In Mathematics, it is important to note that an expression is simply used to show the relationship between the variables that are provided or the data given regarding an information.
In this case, it is vital to note that they have at least two terms which have to be related by through an operator. Some of the mathematical operations that are illustrated in this case include addition, subtraction, etc.
The value of the expression will be:
= 30m × 2.01m
= 60.3m²
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Which expression renames 3/4−7/10 using common denominators?
Answers
3/4 and 9/10 using the least common denominator is 15/20 and 18/20.
What is LCM?LCM of two or more than two given numbers is the smallest common multiple that is divisible by two or more than two given numbers.
Given, are two fractions 3/4 and 7/10 we know the LCM of 4 and 10 is 20.
∴ (3×5)/(4×5) and (7×2)/(10×2).
(we have to multiply same constant to the fraction to retain it's original value).
So, 3/4 and 4/10 using the least common denominator is 15/20 and 14/20.
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Which description best compares the graphs of the two functions below?
Answers
A description which best compares the graphs of the two functions above include the following: B. The line for function A is steeper.
How to compare the two functions?In order to compare the two functions, we would have to find the slope of function B based on the data points contained in the table by using the slope formula.
Mathematically, the slope of a straight line can be calculated by using this formula;
Slope, m = (Change in y-axis, Δy)/(Change in x-axis, Δx)
Slope, m = (y₂ - y₁)/(x₂ - x₁)
Substituting the given points into the slope formula, we have the following;
Slope, m = (-1 - (-2))/(3 - 0)
Slope, m = (-1 + 2)/3
Slope, m =1/3
From function A y = 3x - 2, the slope is equal to 3. Consequently, we can logically deduce that the line representing function A is steeper than the line representing function B because its slope is bigger i.e 3 > 1/3.
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The sum of two numbers is 27. The difference between the two numbers is 5. What are the two numbers?
Answers
Answer:
x = 16
y = 11
Step-by-step explanation:
x+y = 27
x-y = 5
__________
2x = 27+5
2x = 32 /:2
x = 16
16+y = 27
y = 27-16
y = 11
Shawn has 22 boxes of golf balls. Each box has three golf balls.
Look at each equation below. Decide if it can be used to find the total number of golf balls?
(SCREENSHOT BELOW)
Answers
Answer:
1) can 2) can’t 3) can’t 4) can
Step-by-step explanation:
There are 66 golf balls in total 1 and 4 are the only equations that equal 66
The balance on a credit card, that charges a 10.5% APR interest rate, over a 1 month period is given in the following table:
Days 1-3: $200 (initial balance)
Days 4-20: $300 ($100 purchase)
Days 21-30: $150 ($150 payment)
What is the finance charge, on the average daily balance, for this card over this 1 month period?
finance charge = $[?]
Round to the nearest hundredth.
Answers
The finance charge on the average daily balance for the one month is $2.07.
What is the finance charge?The finance charge is the interest and other fees charged on a credit facility.
To compute the finance charge, we apply the annual percentage rate (APR) on the Average Daily Balance, multiplied by the number of days in the billing cycle, and divided by 365.
Days 1-3: $200 (initial balance) $600 ($200 x 3)
Days 4-20: $300 ($100 purchase) $5,100 ($300 x 17)
Days 21-30: $150 ($150 payment) $1,500 ($150 x 10)
Total = $7,200
Average Daily Balance = $240 ($7,200/30)
APR interest rate = 10.5%
MPR interest rate = 0.875% (10.5%/12)
Finance Charge = $2.07 ($240 x 10.5% x 30/365)
Or $ ($240 x 0.875%)
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Lance ay that 2,376 ÷10 by the power of 2 i the ame a 2,376 x 0. 1 i he correct ? Why or why not
Answers
It is possible that Lance ay that 2,376 ÷10 by the power of 2 i the ame a 2,376 x 0. 1 i he correct
The power (or exponent) of a number says how many times to use the number in a multiplication. It is written as a small number to the right and above the base number. In this example the little "2" says to use 8 two times in a multiplication: 82 = 8 × 8 = 64.
What are powers?
A power is the product of multiplying a number by itself. Usually, a power is represented with a base number and an exponent. The base number tells what number is being multiplied. The exponent, a small number written above and to the right of the base number, tells how many times the base number is being multiplied.
Since 2376÷10
It will give us
237.6
So to convert to standard form it will be
2376×10^-1
How
Since the point has been shifted to the right side
And it will definitely give us 2376.0
But the point zero is not necessary
10^1 also means 0.1
So it is possible
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what is the slope of the graph?
Answers
The slope of the line is -4.
What is slope?A line's steepness is determined by its slope. In mathematics, slope is determined by "rise over run" (change in y divided by change in x). The slope is calculated as the ratio of the rise, which is the vertical change between two points, to the run, which is the horizontal change between those same two sites. A line's steepness is indicated by its slope. The slope's steepness increases with its size. The slope flattens out as it grows smaller. Slope also reveals whether a line is horizontal or vertical, or if it is going up or down. The slope in mathematics is a measure of how steep a line is. The gradient is another name for it. The slope equations.Slope is simply expressed as change in y over the change in x.
Slope m = ( y₂ - y₁ )/( x₂ - x₁ )
From the diagram, the graph passes through point ( 0,2) and (1,-2)
Point 1( 0.2 )
x₁ = 0
y₁ = 2
Point 2( 1,-2 )
x₂ = 1
y₂ = -2
To determine the slope of the line, plug the coordinates into the above slope formula.
Slope m = ( y₂ - y₁ )/( x₂ - x₁ )
Slope m = ( -2 - 2 )/( 1 - 0 )
Slope m = ( -4 )/( 1 )
Slope m = -4/1
Slope m = -4
Therefore, the slope of the line is -4.
Option A is the correct answer.
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Is it possible to construct a triangle whose sides are 3.5 cm 9.2 cm and 5.3 cm Why or why not?
Answers
We cannot construct a triangle with side lengths 3.5 cm, 9.2 cm and 5.3 cm. So it is not possible to construct a triangle whose sides are 3.5 cm 9.2 cm and 5.3 cm. This is because these lengths does not follow triangle inequality theorem.
It is not possible to construct a triangle using the given side lengths of 3.5 cm, 9.2 cm, and 5.3 cm. This is because of the Triangle Inequality Theorem, which states that the sum of the lengths of any two sides of a triangle must be greater than the length of the third side.
In this case, if we take 3.5 cm and 5.3 cm as two sides, the sum of their lengths is 8.8 cm. But the length of the third side (9.2 cm) is greater than 8.8 cm, so these three side lengths cannot form a triangle.
It is important to note that this theorem applies to any triangle, whether it is acute, right or obtuse-angled triangle.
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Help Please! I need to find the value of x in the quadrilateral
I know the sum of the exterior angles and interior angles is 360 and I know I need to do something with substitution but I have no idea where to start. Please explain it step by step so I understand.
Answers
The value of x in the quadrilateral is 23.
How to find the angles of a quadrilateral?A quadrilateral is a polygon with 4 sides. The sum of interior angles in a quadrilateral is 360 degrees.
The sum of exterior angles in a quadrilateral is 360 degrees.
Therefore, let's find the value of x in the quadrilateral.
Hence,
6x + 5x + x + 16 + 3x - 1 = 360
combine like terms
6x + 5x + x + 3x + 16 - 1 = 360
15x + 15 = 360
subtract 15 from both sides of the equation
15x = 360 - 15
15x = 345
divide both sides by 15
x = 345 / 15
x = 23
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Select all the equations that are equivalent to y - 4 = (x - 1).
Answers
It's important to note that equation y = x - 1 + 4 and y = x + 3 are in slope-intercept form, which is a common way to write linear equations.
How to determine the equivalent equation?
To determine if two equations are equivalent, you can check if they represent the same line in the cartesian plane. The following methods can be used to determine equivalent equations:
Graph the equations: You can graph the equations on the same coordinate plane and see if they produce the same line. If they do, the equations are equivalent.Check for the same slope and y-intercept: You can check if the equations have the same slope and y-intercept. If they do, the equations are equivalent.Solving for y: You can put the equation in slope-intercept form y = mx + b, where m is the slope and b is the y-intercept, if the slope and y-intercept are the same for both equations, the equations are equivalent.The following equations are equivalent to y - 4 = (x - 1):
y = x - 1 + 4
y = x + 3
y - 4 = x - 1 + 4
y - 4 = x + 3 - 4
(y - 4) + 4 = (x - 1) + 4
y = x - 1 + 4
All of the above equations have the same slope and y-intercept, which means they represent the same line in the cartesian plane.
It's important to note that equation y = x - 1 + 4 and y = x + 3 are in slope-intercept form, which is a common way to write linear equations.
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Solve for x round to the nearest tenth 33 27
Answers
sinx =opp/adj
sinx= 27/33
x=sin^-1(9/11)
What is an exponential function called?
Answers
An exponential function is a function in which the variable appears in an exponent.
The most common form of an exponential function is f(x) = aˣ, where a is a positive constant, known as the base of the function, and x is the variable. The variable x is called the exponent of the function.
The base, a, determines the growth rate of the function. If the base is greater than 1, the function will increase rapidly as x increases. If the base is between 0 and 1, the function will decrease rapidly as x increases.
Exponential functions can also be written in the form y = a×bˣ, where a and b are constants, b is the base and x is the exponent. In this form, a represents the y-intercept of the function, which is the point where the function crosses the y-axis.
An exponential function can be recognize by the presence of the variable in an exponent and the graph of an exponential function is a curve that goes up and to the right if the base is greater than 1, and goes down and to the right if the base is between 0 and 1.
In conclusion, an exponential function is a function in which the variable appears in an exponent and is defined as f(x) = aˣ or y = a×bˣ, where a is the base of the function and x is the exponent.
The base determines the growth rate of the function and the graph of an exponential function is a curve that goes up and to the right if the base is greater than 1, and goes down and to the right if the base is between 0 and 1.
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Triangle D has been dilated to create triangle D′. Use the image to answer the question.
Answers
D’ -> D uses scale factor of 3
D -> D’ uses scale factor of 1/3
x = 0.9
Explanation:
Since the triangles are dilations of each other, than means the scaling factor is constant, meaning the angles of the triangle stay the same while the edges increase or decrease by a scalar value.
To find the scalar value, simply choose one side of D and one did of D’ and divide them to find the scalar. We can verify that we have the correct scalar by performing this division on each related edge. Below I will do D to D’ represented like D/D’:
4.8 / 1.6 = 3
4.2 / 1.4 = 3
2.7 / x = 3
Knowing that the scaling for each edge is 3, we can solve for x.
2.7 / 3 = x
0.9 = x
So we know the edges for D are 4.8, 4.2, and 2.7 respectively to D’ scaled by 1/3. So we can determine that the edges for D’ are 1.6, 1.4, and 0.9 respectively to D scaled by 3.
So if we go D’ to D, we scale by 3. If we go D to D’, we scale by 1/3.
Cheers.
Answer: It is C I got it right on the exam
Step-by-step explanation:
SOMEONE HELP ME PLEASE DUE TONIGHT
Answers
HI is 7 because all sides are equal. K is 100 because J is 40 and L is also 40 because they are equal. All triangles are equal to 180. 40+40+100=180
Select the correct answer!!!
Answers
(THIS IS DUE TMRW!!)
Explain how to get the Unit Rate for Amount of Miles Ran per Minute for #18. Jaime ran 6 miles in 60 minutes. How far does Jaime run (in miles) per minute? Show all work and then write an explanation.
Answers
A mile is 5,280 feet long and an hour is 3,600 seconds long, thus 60 miles per hour is 60 x 5,280 / 3,600 = 88 feet per second.
What is the unit rate formula?How Do I Determine the Unit Rate? The denominator of a unit rate is always 1. To calculate the unit rate, divide the denominator by the numerator so that the denominator equals 1. For example, if 50 kilometers are reached in 5.5 hours, the unit rate is 50 kilometers/5.5 hours = 9.09 kilometers per hour.
Miles per hour is a relatively typical example of a unit rate that we face on a daily basis. This rate is a unit rate since it describes the number of miles in one hour.
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1. Which of the following is 60% in fraction form?A. 25B. 35C. 45
Answers
Answer:
I think 35
Step-by-step explanation:
Five Smithtown High School students are saving up to buy their first cars. They all have after-school jobs, and their weekly sala-ries are listed in the table. (Table: Emily $110, Sam $145, Danielle $130, Katie $160, Stephanie $400)
a. What is the mean weekly salary for these students?
b. What is the median salary?
c. Whose salary would you consider to be an outlier?
d. Which number do you think is better representative of the data, the mean or the median?
e. Explain your answer to part d.
Answers
Answer:
A. $189.
B. $130.
C. Stephanie's.
D. The Mean.
E. The mean is the average of the data. The Median is just the middle number which doesn't reveal all that much about the data.
Answer:
A.) $189
B.) $145✔️ | *(not $130❌)*
C.) Stephanie's
D.) Median✔️ | *(not "mean"❌)
E.) Because there is an outlier, the median is better representative than the mean.
Eric ran 3 kilometers in 20 minutes.
Taylor ran 2,550 meters in 17 minutes. Was one person faster than the other or were they running at the same rate?
Answers
Answer:It is not possible to answer this question without knowing the rate at which the other person was running.
Step-by-step explanation:
Find the length of the indicated
side of the similar figure.
12
X
x = [?]
X
8
4
Answers
The length of the side indicated in the similar figure can be found using the concept of similarity.
Find the length of the indicated side?The length of the side indicated in the similar figure can be found using the concept of similarity.When two figures are similar, the corresponding sides are proportional.In this case, the side indicated in the figure is 8, and the side we are looking for is X.To find the length of X, we can set up a proportion and solve for X. The proportion would be 8/X = 12/8, which simplifies to X = 12.Therefore, the length of the side indicated in the similar figure is 12.The length of the indicated side of the similar figure is 4.This is because the two figures are similar, meaning they have the same shape and ratio of sides.This means that if one side is 8, the other will be 4, since 8/4 = 2.This theory is called the Proportionality Rule and states that if two figures are similar, the corresponding sides are proportional.To learn more about Proportionality Rule refer to:
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Hi, please help with this circle geometry question (image attached)! It would be helpful if you show your working out/proof. You also need to use tangent properties of circles.
Thank you!
Answers
Given that ABC is a right-angled triangle and that AB, BC, and CA are tangents to the circle, the value of x is 2 cm.
what is triangle ?Since a triangle has three parts and three vertices, it is a polygon. It is a fundamental geometric shape. Triangle ABC is the moniker given to one triangle that has vertex shader A, B, and C. When the three principles are not collinear, a singular plane and triangle are found in Euclidean geometry. A triangle is a polygon if it has three sections and three corners. The points where the sides meet are known as the triangle's corners.
given
To find : radius 'r' of the incircle.
ABC is a right angled triangle
=100
⇒ BC= 100 =10cm
Since area of right anged triangle = 1/2×base×height
⇒ Area of △ABC= 1/2×6×8
=3×8=24cm 2
⇒ Area of △ABC=24cm 2 ....(1)
Also, Area of △ABC= area of △OAC+ area of △OBC+ area of △OBA
= 1/2 ×r×8+ 1/2 ×r×10+ 1/2 ×6×r= 1/2* r(8+10+6)= 1/2r(24)=12r....(2)
Equating (1) and (2) 12r=24
⇒ r= 12/24 =2cm
Given that ABC is a right-angled triangle and that AB, BC, and CA are tangents to the circle, the value of x is 2 cm.
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The complete question :- In fig. 4 triangle ABC is a right triangle with AB=6 cm, AC=8 cm and ∠A=90∘ . A circle with center O is inscribed inside the triangle. Find the radius 'r'
help me its due today
Answers
Answer:
(1,-1)
Step-by-step explanation:
my guy, are you good? dude this question is so easy l m a o
anyways, heres the explanation
where there is an "x," replace it with a 1
so: -4-9y = 5
-9y = 9
y = -1
and the question already gives you what x is so:
(x,y)
(1,-1)
Select the reason why these triangles are
similar. If they are not, select "Not similar."
A. AA
C. SAS
60°
/60°
B. SSS
D. Not similar
Answers
The reason why these triangles are similar is A. AA.
What is similar triangle?A similar triangle is a triangle in which the corresponding angles are congruent (equal in measure) and the corresponding sides are in proportion. This means that the corresponding sides of two similar triangles are in the same ratio, but the triangles may be different sizes.
What is triangle?A triangle is a three-sided polygon. It is defined by three points in a plane, called its vertices, and the straight lines connecting each pair of these points, called its sides. The three angles of a triangle always add up to 180 degrees.
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2) A normal distribution has mean 700 and standard deviation 50. The probability is 0.6 that a randomly
selected term from this distribution is above x. What is x?
Answers
According to the normal distribution data given the value for x is obtained as 687.5.
What is normal distribution?
One of the families of continuous distributions, the standard normal distribution has a mean of zero and a standard deviation of one. Since most observations are grouped around the mean and mean=median=mode, the distribution is symmetric at the mean zero.
The value for mean is μ = 700.
The value for standard deviation is σ = 50.
The probability value is 0.6.
Use z score formula to solve for value of x -
P (X>x) = 0.6
0.6 = 1 - P (X>x)
0.4 = P[{(X-μ)/σ} ≤ {(x-700)/50}]
z0.4 = (x-700)/50
-0.25 = (x-700)/50
x = (-0.25 × 50) + 700
x = -12.5 + 700
x = 687.5
Therefore, the value for x is 687.5.
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By which postulate or theorem is ∠3 ≅ ∠6?
Answers
Answer:
B) Alternate Interior Angles Theorem
Step-by-step explanation:
If two parallel lines are cut by a transversal, then the pairs of alternate interior angles are congruent. In the above diagram, m∠3 ≅ m∠6
i cant figure this out
Answers
Answer:
4^2 or 16
Step by step explanation:
4^5 = 4x4x4x4x4
4^3 = 4x4x4
4^5 ÷ 4^3 = 4x4x4x4x4 ÷ 4x4x4 = 4x4
4x4 = 4^2 = 16
I'LL GIVE BRAINIEST TO WHOEVER ANSWERS THIS CORRECTLY
3. The function represents the number of specialty items produced at the old factory w weeks after a change in management. The graph represents the number of specialty items produced at the new factory during the same time period.
(a) During Week 0, how many more specialty items were produced at the old factory than at the new factory? Explain.
(b) Find and compare the growth rates in the weekly number of specialty items produced at each factory. Show your work.
(c) When does the weekly number of specialty items produced at the new factory exceed the weekly number of specialty items produced at the old factory? Explain.
Answers
Answer:
The correct answer is A
I hope that helped.
Step-by-step explanation:
1. Which polygon or polygons are regular? (2 points)
Answers
Answer:
the first and the third
Step-by-step explanation:
Which graph represents the inequality y is less than negative one-third times x plus 1?
Answers
A graph which represents the inequality y is less than negative one-third times x plus 1 is shown in the image below.
What is an inequality?In Mathematics, an inequality simply refers to a mathematical relation that is typically used for comparing two (2) or more numerical data and variables in an algebraic equation based on any of the following inequality symbols:
Less than or equal to (≤).Greater than (>).Greater than or equal to (≥).Less than (<).How to determine the graph which represents the inequality?In order to determine and plot the graph which represents the inequality, we would first of all translate the word problem into an algebraic equation as follows;
y is less than or equal to one-third times x plus 1 ⇒ y < x/3 + 1.
Next, we would use an online graphing calculator to graphically solve the given inequality.
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Answer:
B
Step-by-step explanation:
The graph shows the answer accurately