3 years ago

Can someone help plss

Mathematics

1 answer:

LiRa [457]3 years ago

7 0

Answer:

B;1/3

Step-by-step explanation:

I LITERALLY JUST TOOK THAT

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Carolyn has $2.55 in her purse in nickels and dimes. The number of nickels is nine less than three times the number of dimes. Fi

Flauer [41]

Hi, the answer is ;

Answer:

12 dimes and 27 nickels

Step-by-step explanation:

.05N + .1d = 2.55

N= 3d - 9

0.05 (3d-9) + 0.1d = 2.55

0.15d - 0.45 + 0.1d = 2.55

0.25d = 2.55 + 0.45

0.25d = 3

D = 12

N = 3 (12) - 9

N = 36 - 9

N = 27

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3 years ago

5x + 7 = 2 what is X A.x = -1 B.x = 1 C.x = 6 D.x = -6

ohaa [14]

Answer:

-1

Step-by-step explanation:

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3 years ago

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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

5% of what number is 2

Triss [41]

The answer tothis question is two

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3 years ago

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Marianna [84]

Answer:

11/4 1/10/3/4 -/-3

Step-by-step explanation:

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3 years ago