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7nadin3 [17]
3 years ago
13

25 points please help!!!

Mathematics
2 answers:
MAVERICK [17]3 years ago
6 0

Answer: A) y=25,   B) y=10  C) y=-5  D)y=-20

Step-by-step explanation:

So whenever you have a question like this just plug in the values.

A) x=0

y= -3x+25 will now turn into y=0+25, so y=25

B) x=5

y= -3x+25 is now y= -15 +25, so y=10

C) x=10

y= -3x+25 is now y= -30+25, so y=-5

D) x=15

y=-3x+25 is now y= -45+25, so y=-20

zubka84 [21]3 years ago
6 0
The answer would be A
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RSB [31]

The value of p(1), p(-2), and p(8) is 0, 744 and 0 respectively

<h3>What is polynomial function?</h3>

Given the function p(x)= 192 + 21x^3 + 54x^2 - 3x^4 - 264x

We are to get the following parameters:

p(1)= 192 + 21(1)^3 + 54(1)^2 - 3(1)^4 - 264(1)\\p(1)=192+21+54-3-264\\p(1)=0

For p(-2)

p(-2)= 192 + 21(-2)^3 + 54(-2)^2 - 3(-2)^4 - 264(-2)\\p(-2)=192-168+216-24+528\\p(-2)=744

For p(8)

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Hence the value of p(1), p(-2), and p(8) is 0, 744 and 0 respectively

Learn more on polynomials here: brainly.com/question/4142886

7 0
3 years ago
Which expressions are quadratic expressions? Check all that apply.
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3 years ago
The length of a rectangular backyard is 6 more than the width of the backyard. The perimeter of the backyard is 44 feet. What is
german

Answer:

112

Step-by-step explanation:

use substitution method:

make 2 equations:

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plug in l:

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combine like terms:

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-12           -12

__________

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Divide to get w alone :

32 = 4w

__     __

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plug w in:

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