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Mariana [72]
3 years ago
5

Given m|n, find the value of x. (8x-20) (8x+8)

Mathematics
2 answers:
LiRa [457]3 years ago
6 0

Answer:

x=12

Step-by-step explanation:

(8x-20)+(8x+8)=180

16x-12=180

16x=180+12

16x=192

x=12

Elina [12.6K]3 years ago
4 0

Answer:

x = 12

Step-by-step explanation:

The given angles are supplementary. Therefore, they have a sum of 180°.

8x - 20 + 8x + 8 = 180

16x - 12 = 180

16x = 192

x = 12

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1. Simplify the expression.<br> -9 + 6<br> 15<br> -3<br> -15<br> 3
eimsori [14]

Answer:

-3

Step-by-step explanation:

-9+6

while combining a negative and a positive, subtract like normal

9-6=3

take the sign of the larger number which is -9 and the sign is negative.

-3 is the answer.

5 0
3 years ago
Read 2 more answers
Suppose the base and height of a triangle sum to 18 cm, and the area of the triangle is 36 square cm. if the base is larger than
pentagon [3]
<span>15-h)*h=40
15h-h^2=40
h^2-15h+40=0
solve for h by quadratic formula:

a=1, b=-15, c=20
ans:
h=3.47 or 11.53 cm (height)
b=15-h=11.53 or 3.47 cm (base)</span>
7 0
3 years ago
Please help me answer this‍♂️
DerKrebs [107]

Answer:

x+x+14=90

2x=90-14

2x=76

x=38 (opp angles =)

8 0
2 years ago
Do this work If one do I will make brainliest her or him please
denpristay [2]

Answer:

If you need the explanation, just ask.

6 0
2 years ago
4 2/9 as a decimal work shown
Xelga [282]
The Answer Is:<span>4.222222</span>

4 2/9 = 4 + 2/9

= 4/1 + 2/9

= (4/1 * 9/9) + 2/9

= 36/9 + 2/9

= 38/9

= 38 ÷ 9 = 4.222222
4 0
3 years ago
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