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frez [133]
4 years ago
10

Find the specified vector or scalar. u = -4i + 1j and v = 4i + 1j; Find u + V

Mathematics
1 answer:
Anna [14]4 years ago
4 0
Hello,

\vec{u}+\vec{v}=0\vec{i}+2\vec{v}
====================================



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Find the common ratio of the geometric sequence 11, -55, 275,...11,−55,275,...
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Answer:

r = -5

Step-by-step explanation:

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A conical tent has a radius of 10.4 ft and a height of 8.4 ft. Doubling which dimensions will quadruple the volume of the tent?
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Answer: Doubling the radius.

Step-by-step explanation:

The volume of a cone can be found with the following formula:

V=\frac{1}{3}\pi r^2h

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Identifiying that:

r=10.4\ ft\\\\h=8.4\ ft

You get this volume:

V_1=\frac{1}{3}\pi (10.4\ ft)^2(8.4\ ft)\\\\V_1=951.43\ ft^3

If you double the radius, the volume of the conical tent will be:

V_2=\frac{1}{3}\pi (2*10.4\ ft)^2(8.4\ ft)\\\\V_2=3,805.70\ ft^3

When you divide both volumes, you get:

\frac{3,805.70\ ft^3}{951.43\ ft^3}=4

Therefore, doubling the radius will quadruple the volume of the tent.

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3 years ago
Which of the following is true about the measure of segment EF?
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