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kozerog [31]
4 years ago
12

If square root x = -7, then x= -49 true or false

Mathematics
2 answers:
dimaraw [331]4 years ago
5 0

Answer:True

Step-by-step explanation:

Veronika [31]4 years ago
4 0

Answer:

false

Explanation:

square root of x= -7

the equation would be -7 x -7

-7 x -7= 49 not -49

Answer: false

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3 years ago
What is the height, in yards, of a cylindrical water tank that holds 1,884 cubic yards of water and has a diameter of 120 feet?
mafiozo [28]

Answer:

The height of the tank is 0.5 yards.

Step-by-step explanation:

To determine what is the height, in yards, of a cylindrical water tank that holds 1,884 cubic yards of water and has a diameter of 120 feet, knowing that the volume of a cylinder is equal to pi multiplied by the radius squared, multiplied by the height, the following calculation must be done:

1 foot = 0.3333 yards

R = Diameter / 2

R = 120/2 = 60

3.14 x 60 ^ 2 x H = 1,884

3.14 x 3,600 x H = 1,884

3.14 x 1,200 x H = 1,884

3.768 x H = 1.884

H = 1,884 / 3,768

H = 0.5

Therefore, the height of the tank is 0.5 yards.

7 0
3 years ago
What is 2 x 9(-6) = 18(-6)?
ser-zykov [4K]
2x9= 18
18×-6= -108
Your answer is 108.
3 0
3 years ago
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Answer:

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7 0
3 years ago
Suppose y varies inversely with x, and y = 32 when x = 4. What is the value of y when x = 8?
bulgar [2K]

Answer:

16

Step-by-step explanation:

Inverse variation is of the form

xy = k where k is a constant

x=4 and y = 32

4*32 = k

128 = k

xy = 128

Let x = 8

8y = 128

Divide each side by 8

8y/8 = 128/8

y =16

6 0
3 years ago
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