3 years ago

A building is in the shape of a cube. If the height of the building is 21 meters, what is its surface area?

Mathematics

1 answer:

Blizzard [7]3 years ago

7 0

2646 foot^2 is the answer

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3 years ago

Solution of 4/5 + 2/3

xxMikexx [17]

Answer:

$\frac{22}{15}$

Step-by-step explanation:

$\frac{4}{5}+\frac{2}{3}$

Adjust based on LCM (15):

$=\frac{12}{15}+\frac{10}{15}$

$=\frac{12+10}{15}$

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3 years ago

In one week there are 10,080 minutes. What is this number in scientific notation?

zalisa [80]

Answer:

1.0080 x 10^4

Step-by-step explanation:

in scientific notation the number has to be less then 10

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3 years ago

In a 30-60-90 degree right triangle, the side opposite the 30-degree angle is

Afina-wow [57]

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It is the short leg.

Step-by-step explanation:

The triangle and is called a right triangle and the side opposite the 30-degree angle is the shorter leg

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3 years ago

Tiffany has $54. She is shopping for umbrellas that cost $12 each. She writes the following equation to model the situation. Pla

neonofarm [45]

Answer:

4 umbrellas

Step-by-step explanation:

Number of Umbrellas Total Money

1 $12

2 $24

3 $36

4 $48

She can't go over $48 because $48 + $12 is $60, which is more than she has ($54). So the max amount of umbrellas she can buy is 4.

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3 years ago