Use substitution to solve the system of equations.
1 answer:
Answer:
(0, 2)
Step-by-step explanation:
12.5x + 2.5y = 5
y = 5x + 2
12.5x + 2.5(5x + 2) = 5
12.5x + 12.5x + 5 = 5 (distribution property)
25x = 0 (combined like terms)
x= 0
y = 5(0) + 2
y = 2
check
12.5(0) + 2.5(2) = 5
5 = 5
Yes
B)
I would use the first equation (y = 5x + 2) to substitute into the second equation (12.5x + 2.5y = 5) because it is already (y = ...) so it is easier to insert it into the second equation.
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c
Step-by-step explanation:
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Answer:
if each commercial lasts 1/2 minute how many commercials are there in a 4-hour program?
480
Step-by-step explanation:
4 hours= 240 mins
240/0.5=480
First we have to find the areas of both circle using the formula
For larger circle,
For smaller circle,
Required probability
Correct option is the second option .
Answer:
y=3
Step-by-step explanation:
4y-8+4=8
4y-4=8
4y-4+4=8+4
4y=12
4y/4=12/4
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