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3 years ago

What Is The Mass, Volume, Density

Mathematics

1 answer:

m_a_m_a [10]3 years ago

6 0

Answer:

The volume is the amount of space an object takes up.

The mass is the measure of how much matter in a object.

The density is the mass divided by volume.

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A triangle has sides with lengths of 60 feet, 63 feet, and 87 feet. Is it a right triangle?

Sedaia [141]

Answer:

Yes

Step-by-step explanation:

We can use the Pythagorean Theorem to check if this triangle is a right triangle:

$a^2+b^2=c^2$

Note that $a$ and $b$ are the legs of the triangle and $c$ is the hypotenuse:

Substitute the lengths of the sides into the equation:

$60^2+63^2=87^2$

$3600+3969=7569\\7569=7569$

Therefore this triangle is a right triangle.

3 0

2 years ago

Read 2 more answers

Given the rule, find the 8th term in the arithmetic sequence. an =3n + 4

dybincka [34]

Answer:

You simply substitute 8 for n

A₈ =3(8)+4=28

4 0

2 years ago

Left parenthesis 5 plus 2 square root of 6 right parenthesis squared = a plus b square root of 6 then the value of a and b are

Ganezh [65]

Answer:

The values of $a$ and $b$ are $33$ and $\frac{20\sqrt{3}}{3}$ , respectively.

Step-by-step explanation:

The statement is equivalent to the following mathematic expression:

$\left(5 + 2\sqrt{2})^{2} = a + b\cdot \sqrt{6}$ (1)

By definition of the perfect square trinomial:

$25 + 20\cdot \sqrt{2} + 8 = a + b\cdot \sqrt{6}$

$33 + 20\sqrt{2} = a + b\cdot \sqrt{6}$

And by direct comparison we have the following system:

$a = 33$ (2)

$b\cdot \sqrt{6} = 20\sqrt{2}$ (3)

By (3), we solve for $b$ :

$b = \frac{20}{\sqrt{3}}$

$b = \frac{20\sqrt{3}}{3}$

The values of $a$ and $b$ are $33$ and $\frac{20\sqrt{3}}{3}$ , respectively.

6 0

3 years ago

Which is the correct expansion of (3x + 2y)5?

Kisachek [45]

Answer:

15x +10y

Step-by-step explanation:

Just multiply 5x and 2y times 5 and don't combine them since they are different terms.

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3 years ago

What percent is represented by the shaded area?

Eduardwww [97]

Answer:

152%

Step-by-step explanation:

hope this helps!

please mark me as brainliest! thanks!

6 0

3 years ago