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quester [9]
3 years ago
6

I need to know the answer is and the steps (extra points)

Mathematics
2 answers:
DENIUS [597]3 years ago
5 0

Answer:

r = -11

Step-by-step explanation:


krek1111 [17]3 years ago
3 0
The answer is R = -11
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avanturin [10]

1. f(-6)=12

2. k(-4)=-68

Further explanation:

We have two functions whose values we have to find on certain points.

In order to find the values of function, the value is put in place of variable in the function.

So,

<u>1. f(a) = -2a</u>

We have to find, f(-6)

So putting -6 in function

f(-6) = -2(-6)\\= 12

<u>2. k(x) = -3x^2+5x</u>

We have to find, k(-4)

So putting -4 in function

k(-4)=-3(-4)^2+5(-4)\\=(-3)(16)-20\\=-48-20\\=-68

Keywords: Functions, values of functions

Learn more about functions at:

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4 0
3 years ago
Can someone help me with this math question. Will mark Brainliest. I posted a picture of the question. ​
Romashka-Z-Leto [24]

Answer:

Step-by-step explanation:

∠2= ∠4                { alternate interior angles}

∠2= 65

∠1 + ∠2 = 180    {linear pair}

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Write expression so that the product of whole number and decimal is 0.28
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Choose the equation that satisfies the data in the table.
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The linear equation that satisfy the data in the table is: A. y = −4x − 4.

<h3>How to Find the Linear Equation for a Data in a Table?</h3>

Given the table attached below, find the slope (m) = change in y / change in x using two pairs of values, say, (-1, 0) and (0, -4):

Slope (m) = (-4 - 0)/(0 - (-1)) = -4/1 = -4

Find the y-intercept (b), which is the value of y when x = 0. From the table, when x = 0, y = -4.

b = -4.

Substitute m = -4 and b = -4 into y = mx + b

y = -4x + (-4)

y = -4x - 4

The equation that satisfy the data is: A. y = −4x − 4.

Learn more about the linear equation on:

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