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2 years ago

Help with this volume problem? (please include how you got the answer) will give brainlyest

Mathematics

1 answer:

Kay [80]2 years ago

6 0

Answer:

35.28 m

Step-by-step explanation:

Formula for volume of pyramid:

$V=b^2\frac{h}{3}$

Therefore since,

base - 4.2 m

height - 6 m

Then,

$V=4.2^2\frac{6}{3}$

$V=35.28m$

<u><em>Kavinsky</em></u>

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user100 [1]

Answer:

Step-by-step explanation:

Factor the numerator and the denominator to get

$\frac{(x+2)(x-2)}{(x+2)(x+3)}\\ \\ \text{The (x+2) terms cancel out leaving}\\ \\ \frac{x-2}{x+3}$

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3 years ago

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Butoxors [25]

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3 years ago

Please help me thanks

Mekhanik [1.2K]

Answer:

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Step-by-step explanation:

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3 years ago

An ant population starts at 1200 for a certain colony. As each month goes by in the winter, 6.5% of the population dies off. How

Nitella [24]

Answer:

There will be 916 ants alive after 4 months.

Step-by-step explanation:

Step 1

Let's change the percentage to a decimal by dividing by a 100.

6.5% / 100 = .065

Step 2

So, for the first month we will multiply the initial amount of ants by .065 and this will give us the number of ants that die.

1200 * .065 = 78

This means that after the first month, 1200 - 78 = 1122 ants will be alive.

Step 3

Now for the second month: 1122 * .065 = 72.93 (rounded to 73)

1122 - 73 = 1049 ants will be alive

Step 4

For the third month 1049 * .065 = 68.185 (rounded to 68)

1049 - 68 = 981 ants will be alive

Step 5

For the fourth month 981 * .065 = 63.765 (rounded to 64)

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Hope this helps!

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