4 years ago

what is the population of the Emperor penguin rounded to the nearest ten thousand and to the nearest hundred thousand

Mathematics

1 answer:

gogolik [260]4 years ago

7 0

Answer:

130,000 to 250,000

Step-by-step explanation:

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A tank is in the shape of a cylinder 7 feet tall and 10 feet and radius find the exact surface area of the tank

Varvara68 [4.7K]

Answer:

$2036.75088022^{2}$ or $2036.8^{2}$ rounded to the nearest tenth

Step-by-step explanation:

1. Find the area of the base and the top, which are circles.

Area of circle : $\pi 10^{2}$ = 986.960440109

There are 2 circles, soooooo....= 986.960440109 x 2 = 1973.92088022

2. Find the rest of the area of the cylander.

So, we have to find the circumference of the circle.

Circumference :2 $\pi$ 10 = 62.83

3. Multiply circumference by height.

62.83 x 7 = 439.81

4. Add all of the products.

439.81 + 1973.92088022 = $2036.75088022^{2}$ or $2036.8^{2}$ rounded to the nearest tenth

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3 years ago

What are the solutions of x^2+10x+21=0?

Luden [163]

(x+7)(x+3) so therefore you set each equation = 0...
x + 7 = 0
x + 3= 0
and solve
x = -3
x = -7

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3 years ago

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4: 8 = 18: N WHAT IS THE ANSWER PO

UkoKoshka [18]

Answer:

Step-by-step explanation:

8N=72

N=9

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3 years ago

7 1/4 % as a decimal

Mila [183]

7 1/4% equals 7.25% and there is your answer.

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Leonard earned 100 from bonus plus 15 per day at his job this week . Which of the following expressions best represents Leonard'

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15 + 100d 15d + 100 15 + d + 100 15 + 100

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