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Inga [223]
3 years ago
7

(–9) • (8) – (9) • (–9)

Mathematics
1 answer:
elena-s [515]3 years ago
7 0

Answer:

10

Step-by-step explanation:


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How do I solve this? (please help to find what goes in the boxes as well)
natta225 [31]

Answer:

First Box: Factor by difference of squares

Second Box: It has all perfect squares

Third Box: see my work

Step-by-step explanation:

We have the equation 4x^2=36

Before we do anything, let us bring all of the terms to the left side

4x^2-36=0

Now that we have moved the terms to one side, it is clear that we have a difference of squares.

-Work-

4x^2=36\\\\4x^2-36=0\\\\(2x+6)(2x-6)=0\\\\

-

2x+6=0\\\\2x=-6\\\\x=-3

-

2x-6=0\\\\2x=6\\\\x=3

5 0
3 years ago
What is the answer to -4+x=5x+16
34kurt

Answer: x=-5

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Anyone know this problem???
sammy [17]

Answer:

2

Step-by-step explanation:

\frac{28}{11} = 2.54545454.....

The repeating digits are 54 ← group of 2

4 0
3 years ago
Read 2 more answers
Heres 86 points just put what ever you want for the answer
aliina [53]

Answer:

hi

Step-by-step explanation:

thx for the points

:)

3 0
3 years ago
Read 2 more answers
Please help! posted picture of question
o-na [289]
C. 5x - 2y = 16 is your answer

plug in each point into the equation.

(2, -3)

x = 2, y = -3

5(2) - 2(-3) = 16
10 + 6 = 16
16 = 16 (True)

(4,2)

x = 4, y = 2

5(4) - 2(2) = 16
20 - 4 = 16
16 = 16 (True)


hope this helps
4 0
3 years ago
Read 2 more answers
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