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2 years ago

7. You have $2 worth of quarters, dimes, and nickels

Mathematics

2 answers:

Veseljchak [2.6K]2 years ago

8 0

That would be 6 quarter, 4 dimes, and 2 nickels

Doss [256]2 years ago

5 0

Answer:

6 quarters, 4 dimes, and 2 nickels

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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

45.5 meters in 13 second

expeople1 [14]

45.5 meters in 13 seconds : so all u do is divide 45.5 by 13

and 45.5 divided by 13 = 3.5

hope this helps!

5 0

2 years ago

Read 2 more answers

Which of the following triangle lengths form right triangles? Select all that apply

Salsk061 [2.6K]

Answer:

well in order to make a trangle they mus add up to be greater than a side sooo i guess thats right so..... idek theres calculators online and stuff like that and you can also go on line and search woill this make a triangle calcs and theyll let you p0ut meaasurements and stuff like that to model them for you

Step-by-step explanation:

4 0

2 years ago

PLEASE HELP! I WILL MAKE YOU BRAINLIST!

Shkiper50 [21]

Answer: A.

Step-by-step explanation: yes

7 0

2 years ago

Can 12 cm 12 cm and 28 cm form a triangle

erastova [34]

Using the Theorem of Pythagoras (a² + b² = c²)

Put in the values:

12² + 12² = 28²
Is it correct? (solve)

Nope! Because 12² + 12² = 288, and the square root of 288 is about 17, not 28.

The answer is no, 12cm, 12cm, 28cm cannot form a triangle.

Hopefully this helps! If you have any more questions or don't understand, feel free to DM me, and I'll get back to you ASAP! :)

3 0

3 years ago