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Schach [20]
3 years ago
7

7x+4-2(-6x-2)+3(x-2) what does x equal??

Mathematics
1 answer:
Slav-nsk [51]3 years ago
7 0

Answer:

<em><u>22x + 2</u></em>

Step-by-step explanation:

7x + 4 + 12x + 4 + 3x - 6

(*rearrange*)

7x + 12x + 3x + 4 + 4 - 6

= 22x + 2

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A walkway forms one diagonal of a square playground. The walkway is 14 m long. How long is a side of the playground?
Vilka [71]

Answer: The side of the playground is around 10 meters long

Step-by-step explanation:

use the diagonal as the hypotenuse of a right triangle, where the sides of the square form the legs of said triangle.

Usually

a^{2} +b^{2} =c^{2}

since we know a and b are the same length (sides of a square are congruent) we would have

a^{2} +a^{2} =c^{2} \\2a^{2} =c^{2}

We know that c is 14 so

2a^{2} =14^{2} \\2a^{2} =196\\a^{2} =98\\a=\sqrt{98} \\a= 9.999

5 0
2 years ago
Devon is trying to find the unit price on a 6
Inessa [10]
No, she's not. If each energy drink's unit cost was just over $2.00, and there are 6 drinks in a pack, then that's at least $12.00 right there, but the entire 6-pack is on sale for only $2.99. She should find the correct price by dividing $2.99/6, resulting in about $0.50 per drink
8 0
3 years ago
The price of a share of stock for company XYZ at the beginning of the week was $23.99. Over the next five days, the share of sto
ladessa [460]
$25.12

Work:

23.99+3.60=27.59

27.59-4.51=23.08

23.08+0.95=24.03

24.03+2.17=26.20

26.20-1.08=25.12
7 0
3 years ago
Read 2 more answers
Write a word problem between 9 and 6
Gre4nikov [31]
There are 6 children that ate 9 cookies what is the ratio of the children and cookies?

Hope this helps!
4 0
3 years ago
In the parallelogram below, W = ?
Ivenika [448]
All angles in a triangle add to 180
so
w+2w+69=180
3w+69=180
3w=111
w=37
4 0
4 years ago
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