Evaluate n+2x^2 when n=3 and x=-2
1 answer:
Answer:
11 is your answer.
Step-by-step explanation:
We have the equation: n + 2x^2
We know that n = 3 and x = -2
Substitute the variables for their values.
3 + 2(-2)^2 = ?
Then just solve to get 11.
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Step-by-step explanation: Multiply 7 by 4!
7 • 4 = 28
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Answer:
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Step-by-step explanation:
Answer:
x=6
Step-by-step explanation:
120+25x=45x
25x+120=45x
-20x+120=0
-20x=-120
x=6
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Answer:
48cm
Step-by-step explanation:
V= L x W x H
V= 8 x 3 x 2= 48cm
The formula for a circumference of a circle is 2πr
2 × π × 25 = 157
so your answer is A 157in.
I hope I've helped!