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Nataly [62]
3 years ago
6

What is the equation of the volume of a sphere

Mathematics
1 answer:
Evgesh-ka [11]3 years ago
8 0

Answer:

\frac{4}{3} *\pi  * r^{3}

r is radius of the sphere

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A tutoring company has offices where students physically attend a test prep course. The company recently created an online test
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Some of the 50 students should have been assigned to a control group that used the in-person course

Step-by-step explanation:

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3 years ago
Point L is located at (-3,-6) where is L after a reflection over the y-axis
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Answer:

  L'(3, -6)

Step-by-step explanation:

The reflection over the y-axis is modeled by the transformation ...

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Point L is located at (3, -6) after the reflection from the 3rd quadrant to the 4th quadrant across the y-axis.

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The rectangle below has an area of x^2-x-72 square meters and a length of x+8 meters.
melamori03 [73]

Answer:

width x-9 meters

Step-by-step explanation:

(x²-x-72)÷(x+8)

= x-9

6 0
2 years ago
Laura is 3 times as old as Maria was when Laura was as old as Maria is now. In 2 years Laura will be twice as old as Maria was 2
kenny6666 [7]

Answer:

Laura is 30 years old and Maria is 18 years old.

Step-by-step explanation:

Let x be the present age of Laura and y be that of Maria.

Laura was 3 times older than Maria when Laura had Maria's present age.

Lets say Laura had Maria's present age(y) k years before.Then Maria's age at that time will be y-k where k=(x-y).

Then:

y=3(y-k)

y=3(y-(x-y))

y=3(2y-x)

3x=5y  -------1

After two years Laura will become x+2 years old and 2 years ago Maria was y-2 years old. Then:

x+2=2(y-2)

x=2y-6--------2

Solving 1 and 2 we get:

x=30 and y=18

Hence Laura's present age is 30 and Maria's present age is 18.

8 0
3 years ago
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