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2 years ago

Consider the equation y=-2x+5. Describe everything you know about this graph compared to the parent linear function y=x.

1 answer:

8 0

Function y = -2x + 5:
slope of -2
y intercept at 5
x intercept at 2 1/2

function y = x
slope of 1
y intercept at 0
x intercept at 0

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You drive a car that holds 15 gallons of gasoline. Your car uses 0.03 gallons per mile. Which equation best represents this info

Marina86 [1]

0.03x + 15 y = 0.03x - 15 y = -0.03x + 15 y = -0.03x - 15

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3 years ago

Read 2 more answers

A (5, 3), B (2, 1), and C (-2, 4) are the coordinates of a triangle's vertices. If the triangle is reflected over the x -axis, w

Ivahew [28]

Answer:

3 not the right anwser

Step-by-step explanation:

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3 years ago

Given: A, B, and C What is the value of X in the matrix equation AX + B = C?

Ksju [112]

Answer:

Option (2)

Step-by-step explanation:

Given expression is, AX + B = C

$A=\begin{bmatrix}-3 & -4\\ 1 & 0\end{bmatrix}$

$B=\begin{bmatrix}-7 & -9\\ 4 & -1\end{bmatrix}$

$C=\begin{bmatrix}-42 & -20\\ 5 & 4\end{bmatrix}$

AX + B = C

AX = C - B

C - B = $\begin{bmatrix}-42 & -20\\ 5 & 4\end{bmatrix}-\begin{bmatrix}-7 & -9\\ 4 & -1\end{bmatrix}$ = $\begin{bmatrix}-42+7 & -20+9\\ 5-4 & 4+1\end{bmatrix}$

C - B = $\begin{bmatrix}-35 & -11\\ 1 & 5\end{bmatrix}$

Let $X=\begin{bmatrix}a & b\\ c & d\end{bmatrix}$

AX = $\begin{bmatrix}-3 & -4\\ 1 & 0\end{bmatrix}\times \begin{bmatrix}a & b\\ c & d\end{bmatrix}$

= $\begin{bmatrix}(-3a-4c) & (-3b-4d)\\ a & b\end{bmatrix}$

Since AX = C - B

$\begin{bmatrix}(-3a-4c) & (-3b-4d)\\ a & b\end{bmatrix}=\begin{bmatrix}-35 & -11\\ 1 & 5\end{bmatrix}$

Therefore, a = 1, b = 5

(-3a - 4c) = -35

3(1) + 4c = 35

3 + 4c = 35

4c = 32

c = 8

And (-3b - 4d) = -11

3(5) + 4d = 11

4d = -4

d = -1

Therefore, Option (2). X = $\begin{bmatrix}1 & 5\\ 8 & -1\end{bmatrix}$ will be the answer.

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3 years ago

What’s the answer to this question. <br> Simple correct answers

Sophie [7]

Answer:

1st one

Step-by-step explanation:

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3 years ago

PLEASE HELP ME WITH THIS QUESTION AND SHOW YOUR STEPS PLEASE HELP ME NOW PLEASE

Sindrei [870]

Answer:

67.97

Step-by-step explanation:

let AC be length of ladder and BC be distance between ladder and wall and angle be theta

Now,

costheta=BC/AC

THETA =COS^-1(3÷8)

THETA=COS^-1(0.375)

THETA=67.97 DEGREE

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2 years ago

Consider the equation y=-2x+5. Describe everything you know about this graph compared to the parent linear function y=x.​

Consider the equation y=-2x+5. Describe everything you know about this graph compared to the parent linear function y=x.