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VMariaS [17]
3 years ago
15

Choose the correct simplification of the expression (−2x 8y)(9x − 3y).−18x2 78xy − 24y218x2 78xy − 24y2−18x2 − 78xy 24y2−18x2 72

xy − 24y2
Mathematics
1 answer:
Sedbober [7]3 years ago
3 0
The last one -18x2 72xy -24y2
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Did I get this right?
wel

Yes hope it helps!!!!!!!!

4 0
2 years ago
Find the values of x and y.<br> X= __<br> Y= __
azamat

Answer:

x = 20

y = 100

Step-by-step explanation:

To figure out x do this.

3x + 2x = 7x - 40 (collect like terms)

5x = 7x -40 (subtract 7x on both sides)

-2x = -40 (divide by -2 on both sides)

x = 20

Plug in to get y

Since 7x - 40 and y are vertical they equal the same amount

7(20) - 40 = y (multiply 7 by 20)

140 - 40 = y (collect like terms)

100 = y

Hope this helps ya! Keep smiling!

6 0
3 years ago
Can you please help me?
garri49 [273]

Answer:

6.2

Step-by-step explanation:

\frac{10.3}{sin(90)} = \frac{x}{sin(37)}                 *Cross multiply*

10.3(sin(37)) = x(sin(90))   *Divide by sin(90) to isolate x*

x = \frac{10.3(sin(37))}{sin(90)}                  *Solve*

x = 6.19 ≈ 6.2

4 0
3 years ago
) Which expression is equivalent to -24 - 12w?
emmasim [6.3K]
The answer should be the second one
4 0
2 years ago
Select the statement that best justifies the conclusion based on the given information.
AURORKA [14]
I think it would be substitution
7 0
2 years ago
Read 2 more answers
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