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Andreyy89
3 years ago
15

If x = -3, calculate the value of: 2xsquared + x

Mathematics
2 answers:
Archy [21]3 years ago
6 0
2 x - 3² + - 3
2 x 9 + - 3
18 - 3
15
Debora [2.8K]3 years ago
4 0
Insert the value of x into the equation
2 (-3^2)+(-3)
2 (9)-3
18-3=15
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Please help me im almost done!​
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Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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Which is the best estimate for the area of the circle shown below?
Elza [17]

Answer:

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Step-by-step explanation:

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3 years ago
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What is the volume (in cubic units) of a sphere with a radius of 18 units? Assume that π = 3.14 and round your answer to the nea
Nataly [62]

Answer:

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Step-by-step explanation:

We have,

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It is required to find the volume of sphere.

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7 0
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Need help!!! Plzzz Help mee
andrew-mc [135]
Okay what you need I’ll help you with whatever
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