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3 years ago

Find the volume of a cube if each side is 3.3 inches long. Do not round your answer.

Mathematics

1 answer:

ser-zykov [4K]3 years ago

8 0

35.937 inches cubed

To find volume: length x width x height

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How can i use inverse operations to write the related multiplication and division sentences???

AlladinOne [14]

Both are related because u can multiply the answer to find a devision problem and you can divide a answer to find ur multiplication problem and find ur answer hope this helps

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3 years ago

Write 0.6 as a percentage.

nataly862011 [7]

Answer:

60%

Step-by-step explanation:

all you need to do is multiply this by 100 (move two decimal places to the right).

0.6--> 60

60 percent

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3 years ago

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You know the distance between two cities is 140 miles. What is distance in kilometers?

Norma-Jean [14]

It is known that 1 mile = 1.609 kilometers. So the distance between these two cities, in kilometers, is equal to 140*1.609, which gives us ~225km.

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3 years ago

some seniors signed up for dance classes for the fall.then 117 stopped taking classes.189 seniors continued taking classes.how m

anyanavicka [17]

Answer:

306 seniors

Step-by-step explanation:

117 seniors who quit + 189 seniors who continued = 306 seniors who started taking dance classes in the fall.

3 0

3 years ago

De un triángulo rectángulo se conoce que su hipotenusa mide 20 cm y la suma de los catetos miden 24 cm ¿Cuánto mide su área?

Lunna [17]

Answer:

The area of the right triangle is $43.88\ cm^{2}$

Step-by-step explanation:

The question in English is

From a right triangle it is known that its hypotenuse measures 20 cm and the sum of the legs measures 24 cm. How much does its area measure?

Let

x-----> the measure of one leg

y----> the measure of the other leg

Assume x is less than y

we know that

Applying Pythagoras Theorem

$20^{2}=x^{2}+y^{2}$ -----> equation A

$x+y=24$

$y=24-x$ -----> equation B

Substitute equation B in equation A and solve for x

$20^{2}=x^{2}+(24-x)^{2}\\ \\400=x^{2} + 576-48x+x^{2}\\ \\ 2x^{2} -48x+576-400=0\\ \\2x^{2} -48x+176=0$

Solve the quadratic equation by graphing

The solution is $x=4.5\ cm$

see the attached figure

$x=4.5\ cm$

$y=24-4.5=19.5\ cm$

The area is equal to

$A=xy/2=(4.5)(19.5)/2=43.88\ cm^{2}$

6 0

3 years ago