2 years ago

A 15-foot statue casts a 20-foot shadow. How tall is a person who casts a 4-foot-long shadow?

Mathematics

1 answer:

Nitella [24]2 years ago

8 0

Answer:

3 ft.

Step-by-step explanation:

15:20 and x:4 you can cross multiply or if you reduce 15:20, the answer is 3:4

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A student solving for the acceleration of an object has applied appropriate physics principles and obtained the expression a=a1+

egoroff_w [7]

Answer:

$a=\frac{3\times 7}{7}+\frac{12}{7}$ (First step for obtaining a common denominator for the two fraction)

$a=\frac{33}{7}\text{ m/s}^2$

Step-by-step explanation:

$\text{Given Expression: }a=a_1+\frac{F}{m}$

where,

a is acceleration of an object.(Need to calculate)

$a_1=3.00\text{ m/s}^2$

$F=12.0\text{ Kg.m/s}^2$

$m=7.00\text{ kg}$

$\text{Substitute }a_1, \text{ F, and m into expression and we get}$

$a=3+\frac{12}{7}$

Now we will simplify above expression for a

First we make common denominator.

Common denominator is 7. So, we make both denominator 7. We multiply by 7 at top and bottom with 3. We get

$a=\frac{3\times 7}{7}+\frac{12}{7}$ (First step for obtaining a common denominator for the two fraction)

Now we combine the numerator

$a=\frac{21+12}{7}$

$a=\frac{33}{7}\text{ m/s}^2$

3 0

3 years ago

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30 pts!!!!!!!!!

boyakko [2]

Divide the first one by the second and the answer will be B.

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2 years ago

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Please help I will give brainlest or whatever!!

Mashutka [201]

The answer is D 6z+42

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2 years ago

Perform the experiment by spinning the spinner 7

castortr0y [4]

Answer:

0.3

Step-by-step explanation:

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2 years ago

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9 out of 25 students are home sick with the flu. What percentage of the students are home sick?

Arturiano [62]

Answer:

36%

Step-by-step explanation:

9/25

multiply each by 4 to get 36/100

as a percent it would be 36%

5 0

3 years ago

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