3 years ago

What is the equation of line l?

1 answer:

5 0

Y=-3/2L -2. At the Y axis, line L is at -2, so we add that as B or the Y intercept. We can see that the graph goes 2 over to the right and down three, which makes the slope negative and 3/2 (rise/run)

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What is the inverse of f(x)=3x+6 ?

scZoUnD [109]

Answer:

$\boxed{\sf \ \ f^{-1}(x)=\dfrac{x-6}{3} \ \ }$

Step-by-step explanation:

hello,

we can write

$fof^{-1}(x)=x \ and \ fof^{-1}(x)=f(f^{-1}(x))=3f^{-1}(x)+6 \ so\\3f^{-1}(x)+6=x \ \ subtract \ 6\\3f^{-1}(x)=x-6 \ \ divide \ \ by \ \ 3\\ f^{-1}(x)=\dfrac{x-6}{3}$

hope this helps

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3 years ago

The image of (4, 1) under the transformation T : (x, y) → (x + 3, y + 1) is

larisa [96]

(4 + 3 , 1 + 1)
(7,2)

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3 years ago

What is the equation of the line through (5, 1) with a slope of -3?

Vlad1618 [11]

Answer:

B. y-1=3(x-5)

Step-by-step explanation:

y=_+_(x-_)

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

y-1=3(x-5)

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2 years ago

Dan has the same number of nickels and dimes in his piggy bank. If the total amount of those coins is $0.90, how many of each co

Karolina [17]

Hello There!

n - d = 0

5n+10d = 90

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

n-d = 0

n+2d = 18

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Subtract and solve for "d":

3d = 18

d = 6 (# of dimes)

n = d = 6 (# of nickels)

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3 years ago

Please help!! Rewrite the formula to determine the amount of money they will make.

leva [86]

We have this equation to start with: m/n = 5.5. To achieve the desired equation, you need to multiply the entire equation by n, giving you this equation: m = 5.5n. Hope this helps!

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2 years ago