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zvonat [6]
3 years ago
7

a mermaid is swimming at a sea level when a human comes up by. She Dives underwater at a rate of 8 meters per second. She contin

ues to descend for 20 seconds. What depth is she now?
Mathematics
1 answer:
Morgarella [4.7K]3 years ago
5 0
She's at a depth of 160
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ANSWER FOR BRAINILEST.
Lesechka [4]

Answer:

2713

Step-by-step explanation:

The volume of a cylinder is base * height. That means the whole cylinder's volume is 8^2 * 18 * pi = 1152 pi

The volume of a sphere is (4/3)(pi)(r^3) = (4/3)(pi)(6^3) = 288 pi

Cylinder - Sphere = Shaded Volume

1152pi - 288pi = 864pi

Substitute 3.14 for pi, and you get

864(3.14) = 2712.96, which rounds to 2713

6 0
3 years ago
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the population of san san Pablo ca is about 33,950 people. ten years ago the population was about 30,000. by what PERCENT did th
azamat

Answer:

ABOUT 13 PERCENT

Step-by-step explanation:

I AM NOT CERTAIN BUT I GOT IT BY:

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3 years ago
Sophia has an ear infection. The doctor prescribes a course of antibiotics. Sophia is told to take 500 mg doses of the antibioti
julsineya [31]

Answer:

see below

Step-by-step explanation:

Dosage= 500 mg

Frequency= twice a day (every 12 hours)

Duration= 10 days

Number of dosage= 10*2= 20

residual drug amount after each dosage= 4.5%

We can build an equation to calculate residual drug amount:

d= 500*(4.5/100)*t= 22.5t, where d- is residual drug, t is number of dosage

After first dose residual drug amount is:

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After second dose:

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As per the equation, the higher the t, the greater the residual drug amount in the body.

Maximum residual drug will be in the body:

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Maximum drug will be in the body right after the last dose, when the amount will be:

  • 500+19*22.5= 927.5 mg
5 0
2 years ago
What is tthe answerto the problem
Lemur [1.5K]

Answer:

g = 5

Step-by-step explanation:

-8 + (-2g) = -18

-8 -2g = -18

-2g = -18+8

-2g = -10

g = -10/-2

g = 5

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3 years ago
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I need help with this pls
shtirl [24]

Answer:5

Step-by-step explanation:

8 0
2 years ago
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