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kodGreya [7K]
3 years ago
9

Let f(x) = x2 − 3x − 7. Find f(−3)

Mathematics
1 answer:
uranmaximum [27]3 years ago
3 0
Substituting -3 for x, we have:  (-3)^2-3*-3-7.  This simplifies to 9+9-7, or 11.
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Answer:

a<b+1

Step-by-step explanation:

a +2<b+3

a<b+3-2

a<b+1

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A gumball has a diameter that is 66 mm. The diameter of the gumball's spherical hollow core is 58 mm. What is the volume of the
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Step-by-step explanation:

Given:

Diameter of Gumball = 66 mm

Since radius is half of diameter.

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Now We will first find the Volume of Gumball.

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Also Given

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Since radius is half of diameter.

Radius of gumball's spherical hollow core = \frac{diameter}{2}=\frac{58}{2} =29 \ mm

Now We will find the Volume of gumball's spherical hollow core.

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So Volume of gumball's spherical hollow core = \frac{4}{3}\times3.14 \times (29)^3 = 102108.61 \ mm^3

Now We need to find volume of the gumball without including its hollow core.

So, To find volume of the gumball without including its hollow core we would Subtract Volume of gumball spherical hollow core from Volume of Gumball.

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Rounding to nearest tenth we get;

volume of the gumball without including its hollow core = 48347.6\ mm^3

Hence Volume of gumball without including its hollow core is 48347.6 cubic mm.

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