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forsale [732]
3 years ago
6

How do i simplify -9-8+(-8×-9)-15 ?​

Mathematics
2 answers:
azamat3 years ago
8 0
-9-8+(-8x-9)-15=-9-8+72-15
=-32+72=40
Anestetic [448]3 years ago
6 0

Answer:

40

Step-by-step explanation:

PEMDAS

Do what is in the parentheses first.

-8 * -9 = 72

-9 - 8 + (72) - 15

-9 - 8 - 15 = -32

-32 + 72 = 40

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If F(x) = x^2+2x-3 and G(x)= x^2-9, find (f/g)(4)and (f+g)(4)
Sliva [168]

Answer:

f(x) = x^2 + 2x - 3 and g(x) = x^2 - 9

(f/g)(x) = (x^2+ 2x -3) / (x^2 - 9)

(f/g)(x) = (x +3 )(x - 1) / (x + 3)(x - 3)

(f/g)(x) = (x - 1) / (x - 3)

So

(f/g)(4) = (4 - 1)/(4 -3)

(f/g)(4) =3/1

(f/g)(4) = 3

(f+g)(x) = x^2+ 2x - 3 + x^2 - 9

(f+g)(x) = 2x^2 + 2x - 12

(f+g)(x) = 2(4)^2 + 2(4) - 12

(f+g)(4) = 32 + 8 - 12

(f+g)(4) = 28

Step-by-step explanation:

3 0
3 years ago
3/4 of x, if x= 15/28<br> PLS HELP!!!
dezoksy [38]

Answer:

45/112

Step-by-step explanation:

if you didnt know, of also means multiply, so just do 3/4 times 15/28, and the answer would be correct

7 0
3 years ago
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A, B, C, and D have the coordinates (-8, 1), (-2, 4), (-3, -1), and (-6, 5), respectively. Which sentence about the points is tr
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Line AB is perpendicular to CD.. Hope that helps.
3 0
4 years ago
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Write the ratio of 4 girls to 5 boys in 3 different ways
Dafna11 [192]

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Step-by-step explanation:

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At the end of year X, automobile installment credit accounted for 36 percent of all outstanding consumer installment credit. At
murzikaleks [220]

Answer:

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Step-by-step explanation:

let the automobile installment credit be 'C'

Given:.

Automobile installment credit accounted for 36 percent of all outstanding consumer installment credit

Now,

57 billion is \frac{1}{3} of automobile installment credit

or

57 billion = \frac{1}{3} × C

or

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or

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4 0
4 years ago
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