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anastassius [24]
3 years ago
9

-8+6b-9b+2 I need to simplify and find the answer

Mathematics
2 answers:
erastova [34]3 years ago
5 0

Answer:  - 3b - 6

Step-by-step explanation:

1. Add the numbers

-8+6b-9b+2

-6+6b-9b

2.Combine like terms

-6+6b-9b

-6-3b

3.Rearrange terms

-6-3b

-3b-6

Answer: -3b-6

Tcecarenko [31]3 years ago
4 0

Answer:

answer of this question is -6-3b

Step-by-step explanation:

taking common -3 then 2+b will left so this is also answer of this question

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The Magic Carpet charges $90 for installation and $9 per square yard of carpeting. If the total cost to carpet an office is $810
dimaraw [331]

Answer:

<h2>11.11 square yard </h2>

Step-by-step explanation:

Step one:

given data

charges=$90

installation=$9 per square yard

total cost of installation= $810

let x represents the number of square feet

Step two:

The expression for the installation cost is given as

810=9x+90------------1

solve for x, collect like terms

810-90=9x

720=9x

divide both sides by 9 we have

x=720/9

x=11.11 square yard

4 0
3 years ago
When x = 4, y = 1<br> x^2 + 3xy – 7y^2
densk [106]

Answer:

21

Step-by-step explanation:

i worked out the problem

4 0
3 years ago
If a polynomial function f(x) has roots 3 and StartRoot 7 EndRoot, what must also be a root of f(x)?
Ivenika [448]

Answer:

–√(7) must also be a root of f(x)

Step-by-step explanation:

Given that the roots of an equation is 3 and √(7). This means that x = 3 or √(7). Therefore, the function is definitely going to be:

f(x) = (x – 3)(x² – 7)

This is because we are dealing with √(7) and what brought about √(7) was x² = 7.

If this is the case, we know that x² = 7 will give

x = ±√(7)

Hence, our roots are x = 3 or √(7) or –√(7). Therefore, –√(7) must also be a root of f(x).

4 0
3 years ago
Read 2 more answers
Help pls ? find the UP
iren [92.7K]

Answer:

UP=78

Step-by-step explanation:

TP=TU+UP

103=2x+3+6x+12

103=8x+15

103-15=8x

8x=88

x=11

UP=6x+12

UP=6(11)+12

UP=66+12

UP=78

4 0
3 years ago
Read 2 more answers
What times 6 is close to 56
katen-ka-za [31]
6 x 9 which is 54 is the closets to 56. :)
4 0
4 years ago
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