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3 years ago

8/7 divided by 5/2?

Mathematics

1 answer:

11111nata11111 [884]3 years ago

4 0

Answer:

16/35

Step-by-step explanation:

(8/7)/(5/2)

8/7 * 2/5

16/35

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A rock is in the shape of a sphere with a radius of 5.08 centimeters. The rock has a density of 5.5 grams per cubic centimeter.

SIZIF [17.4K]

The mass of the rock is 3020.27 grams , if a rock is in the shape of a sphere with a radius of 5.08 centimeters and the rock has a density of 5.5 grams per cubic centimeter,

Step-by-step explanation:

The given is,

Radius of the rock is 5.08 cm (Sphere)

Density of rock 5.5 grams per cubic centimeters

Step:1

Formula for volume of sphere,

$Volume, V= \frac{4}{3} \pi r^{3}$ ..........................(1)

Where, r - Radius of sphere

From the given values,

r = 5.08 cm

Equation (1) becomes,

$V= \frac{4}{3} \pi (5.08)^{3}$

$V= \frac{4}{3} (3.1415) (5.08)^{3}$

$= \frac{4}{3} (3.1415) (131.097)$

V = 549.14 cubic centimeters

Step:2

Mass of rock = Volume of rock × Density of rock

= 549.14 × 5.5 ( ∵ $cm^{3} (\frac{ gram}{cm^{3}} ) = gram$ )

= 3020.27 grams

Mass of the rock = 3020.27 grams

Result:

The mass of the rock is 3020.27 grams , if a rock is in the shape of a sphere with a radius of 5.08 centimeters and the rock has a density of 5.5 grams per cubic centimeter,

6 0

3 years ago

What Is the medían number of books<br>

TiliK225 [7]

Step-by-step explanation:

You didn't provide any numbers but in order to find the median of something you order a given list of numbers from least to greatest. After you've done this you find the number located in the middle of the number set. If there are two numbers in the middle then you add them together and divide that number by two.

Hope this helps.

8 0

4 years ago

The base of an isosceles triangle is 10 what can you say about the other legs

Sliva [168]

The legs are equal (congruent) since its isosceles the sides are equal and their base angles are also equal.

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4 years ago

After a tropical storm in a certain state, news reports indicated that 19 percent of households in the state lost power during t

olya-2409 [2.1K]

Answer:

H0:p=0.19

Ha:p>0.19

Step-by-step explanation:

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3 years ago

THE TOPIC IS: AREA OF CIRCLES!! PLEASE HELP ME WITH THIS QUESTION!!! WHATS THE ANSWER?? I WILL GIVE YOU BRAINLIEST AND A THANKS!

Art [367]

Answer:

49π

Step-by-step explanation:

πr^2

π*7^2

49π

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3 years ago