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scZoUnD [109]
3 years ago
7

Use the substitution method to solve the system of equation.choose the correct ordered pair. Y=10x-9 y=x+18

Mathematics
2 answers:
Taya2010 [7]3 years ago
6 0
<h2>Answer: (3,21)</h2>

Step-by-step explanation:

Still correct answer on APEX as of 4/29/19.

Andrej [43]3 years ago
4 0
<span>y=10x-9 , y=x+18 
10x-9=x+18 
9x-9=18 
9x=27 
x=3 

y=10x-9 
y=10 (3)-9 
y=30-9 
y=21 

B. (3,21)</span><span>Source(s):
My Brain </span>
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We use the conditional probability formula to solve this question. It is

P(B|A) = \frac{P(A \cap B)}{P(A)}

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