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Orlov [11]
4 years ago
6

Write an equation of the line that passes through the point (5,-4) and has a slope of 2.

Mathematics
1 answer:
Romashka-Z-Leto [24]4 years ago
6 0

Answer:

Point slope formula: (y + 4) = 2(x - 5)

Slope intercept formula: y = 2x - 14

Step-by-step explanation:

Point slope formula: (y + 4) = 2(x - 5)

Slope intercept formula: y = 2x + b, -4 = 10 + b, b = -14

y = 2x - 14

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Simplify the equation -4(2x-4)
marin [14]

Answer:

-8x + 16

Step-by-step explanation:

This is called expanding brackets in algebra

1. you need to multiply the numeral on outside of the brackets with each of thosse on the inside      

-4 x 2x = 8x

-4 x -4 = 16

4 0
3 years ago
What does the equation inverse of the function found in part b represent in the contract of the problem ? explain your answer .
gavmur [86]

Answer:

f^{-1}(x) =\frac{x}{3} - 5

The inverse function is to calculate the number of rides; given the amount paid

Step-by-step explanation:

Given

Admission = 15

Ride = 3 per ride

Required

Explain the inverse function

First, we calculate the function

Let x represents the number of rides

So:

f(x) = Admission + Ride * x

f(x) = 15 + 3 * x

f(x) = 15 + 3x

For the inverse function, we have:

y = 15 + 3x

Swap x and y

x = 15 + 3y

Make 3y the subject

3y = x - 15

Make y the subject

y =\frac{x}{3} - 5

Replace y with the inverse function

f^{-1}(x) =\frac{x}{3} - 5

The above is to calculate the number of rides; given the amount paid

5 0
3 years ago
Pls help pls ill mark brainliest
stellarik [79]

Answer:

Area/Circumference is the length of a circle!

Step-by-step explanation:

8 0
3 years ago
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In rhombus ABCD, find the measure of angle A. A) 142° B) 52° C) 38° D) 218°
pshichka [43]
38- b/c they are supplementary so 180-142=38
5 0
3 years ago
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What is the surface area?
torisob [31]

Answer:

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Step-by-step explanation:

5 0
3 years ago
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