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fiasKO [112]
3 years ago
5

15. The container shown in the figure is filled with a liquid that weighs 50 g. Find its density.

Mathematics
2 answers:
3241004551 [841]3 years ago
5 0

Answer:

  C.  0.006 g/cm³

Step-by-step explanation:

As the units tell you, density is the ratio of mass to volume. The volume of the container is found from ...

  V = πr²h = π(10 cm)²(25 cm) = 2500π cm³

Then the density is ...

  ρ = (50 g)/(2500π cm³) = 1/(50π) g/cm³

  ρ ≈ 0.006 g/cm³

_____

<em>Comment on the problem</em>

The "liquid" has about the same density as air pressurized to 75 psi.

Shalnov [3]3 years ago
5 0

Can someone confirm is this answer is right?

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Step-by-step explanation:

7 0
3 years ago
You have ​$55 in your bank account. Each week you deposit $8 from your allowance and $15 from your paycheck. The equation b=55+(
scoundrel [369]
<h3>After 6 weeks from now you will have $190 in your bank account</h3>

<em><u>Solution:</u></em>

Given that,

You have ​$55 in your bank account

Each week you deposit $8 from your allowance and $15 from your paycheck

<em><u>The equation that gives the amount b in your account after w weeks is:</u></em>

b = 55 + (15 + 8)w

<em><u>How many weeks from now will you have $190 in your bank account ?</u></em>

b = 190

w = ?

Therefore,

190 = 55 + (15 + 8) w

190 = 55 + 23w

23w = 190 - 55

23w = 135

Divide both sides by 23

w = 5.869 \approx 6

Thus after 6 weeks from now you will have $190 in your bank account

7 0
3 years ago
A movie theature offers two containers. One container is a traiangular prism with a base area of 12cm and 19 cm of height, for $
KATRIN_1 [288]

Answer:

rectangular container

Step-by-step explanation:

Triangular prism area: A = 1/3 * base area * height

                                        = 1/3 * 12 * 19

                                        = 76 cm²

Rectangular prism: A = base area * height

                                   = 8 * 15

                                   = 120 cm²

The rectangular container has a better value because it has a bigger area and is cheaper.

Hope this helps!

3 0
3 years ago
Which expression is equivalent to n+n+n+n? pick outta these A n4 B 4n C4n to the power of 4 D n+4
labwork [276]

Answer:

B

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
What is the first step in writing f(x) = 3x2 + 6x – 8 in vertex form?
notsponge [240]

Answer:

Factor out 3 from the first two terms

Step-by-step explanation:

6 0
3 years ago
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