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Anvisha [2.4K]
3 years ago
7

A student has two square pyramids. The second square pyramid has base side lengths that are twice that of the first pyramid. The

formula for the volume V of a pyramid with base area B and height h is V= 13Bh. How many times greater is the volume of the second pyramid than the volume of the first pyramid?
Mathematics
1 answer:
antoniya [11.8K]3 years ago
7 0

Answer:

Answer Choices?

Step-by-step explanation:

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3 years ago
Find the missing dimension of the prism. Round your answer to the nearest hundredth.
Nitella [24]

Answer:

x = 6.99in

Step-by-step explanation:

Given

l =2in

Volume = 72.66in^3

See attachment for prism

Required

Find x

The prism has a regular hexagon base

The base area is calculated as:

Base\ Area= \frac{3\sqrt 3}{2}l^2

This gives:

Base\ Area= \frac{3\sqrt 3}{2} * 2^2

Base\ Area= \frac{3\sqrt 3}{2} * 4

Base\ Area= 3\sqrt 3 * 2

Base\ Area= 6\sqrt 3

Side x represents the height.

So, we have:

Volume = Base\ Area*x

Make x the subject

x = \frac{Volume }{ Base\ Area}

x = \frac{72.66in^3}{6\sqrt 3 in^2}

x = \frac{72.66}{6\sqrt 3}in

x = \frac{12.11}{\sqrt 3}in

x = 6.99in --- approximated

6 0
3 years ago
Which graph represents the solution to the given system -4x+2y=-11 and -2x+2y=-15
posledela
The answer is D if you graph it it falls into those equations in the intersection they make
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How do I solve this I need help
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Y/6 - 5 = 2. First add 5 to both sides. Then multiply both sides by 6. The answer to y is 42. To check plug in 42 for y. 42/6 -5 = 2 ==> 7-5 = 2 ===> 2=2. Therefore it is correct. ANSWER: y=42.
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Witch one is bigger 3kL or 30,000 L
horsena [70]
3 kL = 3000 L so 30000 L is bigger
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