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kolezko [41]
3 years ago
15

Solve x2-81=0 A.(0) B.(-9) C.(-9,9) D.(9)

Mathematics
1 answer:
IRINA_888 [86]3 years ago
5 0
The solution for your specific problem is shown on the picture.

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Find the volume of the cube
miskamm [114]

Answer:

The volume of cube is 125 cm³.

Step-by-step explanation:

Given that the formule of volume of cube is, V = length×width×height. Cube is a 3D form of square, so the sides of the cube are all the same. You have to substitute 5 into the formula,

Let length be 5 cm,

Let width be 5 cm,

Let height be 5 cm,

Volume = 5×5×5

= 125 cm³

7 0
3 years ago
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-1.1x + 8.1x + 38 = -32
Setler79 [48]

X = -10

Explanation:

-1.1x + 8.1x + 38 = -32

Combine like terms : -1.1x + 8.1x

7x + 38 = -32

Subtract 38

7x = -70

Divide by 7

7x = -70/7

Answer:

x = -10

8 0
2 years ago
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A lifeguard fills a pool with water at a constant rate. After 1/2 hour, 1/3 of the pool is filled.
Romashka-Z-Leto [24]

Answer: 2/3 of an hour.

Step-by-step explanation: The constant rate of the lifeguard filling the pool is 1/3 of the pool every 1/2 hour.  If she fills it for an hour, she'll get 2/3 of the pool filled.  Therefore, it'll take the lifeguard 1 hour to fill the pool 2/3 of the way.

Hope this helps! :)

4 0
2 years ago
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Which option below best describes the polynomial 4x3 + 3x2 - 1 ?
agasfer [191]
The answer is 17
4x3=12
3x2=6
12+6=18
18-1=17
8 0
3 years ago
Carlos went kayaking and burned 380 calories. It's a hot day, and he decides to
svetlana [45]
The answer is the chicken wrap
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3 years ago
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