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ELEN [110]
3 years ago
12

Subtract: (3x^2 − 8x + 3) − (−5x^2 + 4x − 5)

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

Answer:

A

Step-by-step explanation:

Add 3x^2 and 5x^2 now it = 8x^2

Add -8x and -4x = -12x

look at your answer choices the only one that has 8x^2-12x is A

MatroZZZ [7]3 years ago
6 0
I’m pretty sure it C but lemme know
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Which of the following is a factor of f(x) = 3x3 + 8x2 − 87x + 28?
Mumz [18]
The answer should be (x-4)
3 0
4 years ago
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PLEASE HELP ME WITH THIS THANKS
stich3 [128]

Answer:

The answer to your question is Volume = 12735.06 cm³

Step-by-step explanation:

Data

a = 11.26 cm

s = 13 cm

h = 29 cm

Formula

V = BH

Process

1.- Calculate the area of the base

Area = B = Pa/2

P = Perimeter

P = 6(13)

P = 78 cm

Area = (78)(11.26)/2

        = 878.28/2

       = 439.14 cm²

2.- Calculate the volume

Volume = BH

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             = 12735.06 cm³

7 0
3 years ago
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If f(x) = x2 - 2x and g(x) = 6x + 4 for which value of x does (t +g)(x)=0​
Vinil7 [7]

Answer:

-2

Assumption:

Find the value of x such that (f+g)(x)=0.

Step-by-step explanation:

(f+g)(x)=0

f(x)+g(x)=0

(x^2-2x)+(6x+4)=0

Combine like terms:

x^2+4x+4=0

This is not too bad too factor on the left hand side since 2(2)=4 and 2+2=4.

(x+2)(x+2)=0

(x+2)^2=0

So we need to solve:

x+2=0

Subtract 2 on both sides:

x=-2

Let's check:

(f+g)(-2)

f(-2)+g(-2)

((-2)^2-2(-2))+(6(-2)+4)

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(8)+(-8)

0

0 was the desired output of (f+g)(x).

7 0
3 years ago
On a number line, A is at -2 and B is at 4. What is the coordinate of C, which is 2/3
STatiana [176]

Answer:

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Step-by-step explanation:

The distances have the ratio:

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  C = (2B +A)/3 . . . . . . . . combine terms

  C = (2(4) +(-2))/3 = 6/3 = 2

The coordinate of C is 2.

7 0
3 years ago
A rectangle sandbox has an area of 64 square yards. What might be the perimeter of the sandbox?
zubka84 [21]

Answer:

32

Step-by-step explanation:

4 0
3 years ago
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