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faust18 [17]
3 years ago
13

What is the sum -1 1/5 + (-3/5)

Mathematics
1 answer:
son4ous [18]3 years ago
3 0

Answer:

-14/5

Step-by-step explanation:

-11 - 3= -14 and the denominator stays the same.

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Which equation is equivalent to 63-3(2-10x)=150
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Answer:

D: 57 + 30x = 150

Step-by-step explanation:

63-3(2-10x)=150

63 - 6 + 30x = 150

57 + 30x = 150

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Answer:

1/y -84

Step-by-step explanation:

7y/12-84

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A dog is leashed to the corner of a house with a 20 ft long leash. How much running area does the dog have? Round your answer to
11111nata11111 [884]

Answer:

The dog's running area is approximately 942 feet².

Step-by-step explanation:

The dog is leashed to a fixed point, the leash has a length of 20 ft, therefore he can rotate around that point at the maximum distance equal to the length of the leash. This pattern forms a circle, but there is an obstruction, which is the corner of the house. This obstruction takes an arc of the original circle, so the running area of the dog is the area of the whole circle minus the area of the arc formed by the corner of the house.

\text{dog's area} = \text{circle's area} - \text{arc's area}\\\\\text{dog's area} = pi*(20^2) - \frac{90}{360}*pi*(20^2)\\\\\text{dog's area} = \frac{270}{360}*pi*(400)\\\\\text{dog's area} = 942.477\text{ feet}^2

The dog's running area is approximately 942 feet².

3 0
3 years ago
Find the height of a square pyramid that has a volume of 75 ft.³ and a base length of 5 feet
elena-s [515]
I don't know but I guess there is an answer
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What is the ratio of 54:27 it the simplest form ​
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21

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