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Artist 52 [7]
2 years ago
14

(1 + 7)^2 +2 simplify

Mathematics
1 answer:
Anon25 [30]2 years ago
4 0

Answer:

66

Step-by-step explanation:

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What is the area of this figure?<br><br> Enter your answer in the box.
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2 years ago
Read 2 more answers
X^2+y^2=169, 3x+2y=39 please answer using substitution and each step
Oksanka [162]

Answer:

x=13,y=0

Step-by-step explanation:

We are given a system of equations

{x}^{2}  +  {y}^{2}  = 169 -  - eqn \: 1 \\ 3x + 2y = 39 -  - eqn \: 2

For equation 1,square all terms to reduce it

√x²+√y²=169

x+y=13

Make x the subject as required by the question to use substitution method

x=13-y

Plug x=13-y into eqn 2

3(13-y)+2y=39

39-3y+2y=39

39-y=39

y=39-39=0

Plug y=0 into equation 1

x+0=13

x=0

7 0
2 years ago
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