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3 years ago

If an object has a mass of 15 g and a volume of 3 mL what is its density

Mathematics

1 answer:

Annette [7]3 years ago

7 0

Answer:

Given the mass of the object = 15g

Given the volume of the object = 3 mL

Density = ?

Step-by-step explanation:

We have two values of an object that is mass of the object and volume of the object. Now we are required to find the Density of the object. In order to find the density of the object, we have to divide the given mass with the given volume. Below is the calculation of the density.

Density = Mass / Volume

Density = 15g / 3 mL

Density = 5 g/ml

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3 years ago

Angle 3 and angle 4 are supplementary angles. Angle 3 is 88. What is the measure of angle 4?

Mademuasel [1]

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An angle made with two radii whose vertex is at the center of a circle is the definition of what

Katena32 [7]

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Step-by-step explanation:

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3 years ago

Question 15 (1 point)

zloy xaker [14]

Answer:

The value of k is 12.57
Radius of a seventeenth-century cannonball is 2.999 inches which can be rounded off to 3

Step-by-step explanation:

Let s be the surface area and r be the radius

Then according to given statement

s∝r²

Removing the proportionality symbol introduces k, the constant of proportionality

$s = kr^2$

Now

A soap bubble with a 0.75 in. radius has a surface area of approximately 7.07 square inches.

Putting in the equation

$7.07 = k (0.75)^2\\7.07 = k * 0.5625\\k = \frac{7.07}{0.5625}\\k = 12.5688..\\k = 12.57$

The euqation beomes

$s = 12.57r^2$

Putting s = 113.1 in the equation

$113.1 = 12.57r^2\\r^2 = \frac{113.1}{12.57}\\r^2 = 8.99761...\\\sqrt{r^2} = \sqrt{8.9976..}\\r = 2.9996..$

Hence,

The value of k is 12.57
Radius of a seventeenth-century cannonball is 2.999 inches which can be rounded off to 3

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3 years ago

Fill in the blank with the correct word to describe this expression: n + 4 , the blank of a number and four)

gulaghasi [49]

Answer:

There is a plus sign between the n and 4. This cannot be reduced any further. So the answer that should go into the blank is Sum

Step-by-step explanation:

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2 years ago

If an object has a mass of 15 g and a volume of 3 mL what is its density￼￼

If an object has a mass of 15 g and a volume of 3 mL what is its density