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Aloiza [94]
3 years ago
13

Solve for x. Please look at the picture and answer it. Thank you.

Mathematics
1 answer:
patriot [66]3 years ago
7 0

Answer:

I think 12.2

Step-by-step explanation:

58+(8x-18)+(4x-4) = 180

58+(-18-4)+(8x+4x) = 180

58-22+8x+4x = 180

58-22+12x = 180

36+12x = 180     1. -36 on both sides

12x = 146           2. / 12 on both sides

x = 12.2

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Gwar [14]

Answer:

a.bh/2

b.b=A×2/h

c.12

Step-by-step explanation:

......

6 0
3 years ago
B. Lance is 39 years old. Ted is 22 years old.
Rudiy27

Answer:

28 years

Step-by-step explanation:

Sum of the years of Lance , Ted, Rosalinda = 39 + 22 +45 = 106 year

Sum of the years of Lance , Ted, Rosalinda & Erik = 33.5*4 = 134.0 year

Age of Erik = 134 - 106 = 28 years

8 0
3 years ago
Help!!!!! Not the top one by the way..!
OverLord2011 [107]

Answer:

\large\boxed{x=-3\ and\ y=-11\to(-3,\ -11)}

Step-by-step explanation:

\underline{+\left\{\begin{array}{ccc}-6x+y=7\\3x-y=2\end{array}\right}\qquad\text{add both sides of the equations}\\\\.\qquad-3x=9\qquad\text{divide both sides by (-3)}\\.\qquad\boxed{x=-3}\\\\\text{Put the value of x to the first equation:}\\\\-6(-3)+y=7\\18+y=7\qquad\text{subtract 18 from both sides}\\\boxed{y=-11}

3 0
3 years ago
Any answers I need help
natulia [17]

Answer:

(A) 21

Step-by-step explanation:

5x-15 needs to equal 90 since it is a right angle and 21 makes that true

(5*21)=105\\105-15=90

6 0
2 years ago
Read 2 more answers
Is my answer correct?
GalinKa [24]
Your answer is correct :)
3 0
4 years ago
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