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Elan Coil [88]
2 years ago
6

PLZ HELP ASAP!!! What is the area of sector DEF in terms of pi ? 120° 3 cm E

Mathematics
1 answer:
Serjik [45]2 years ago
6 0

Answer:

Area of the sector : D.

3π cm²

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What is the Radius of a cylindrical water tank that has a circumference of 85 meters?
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(7n+4) +(8n-1) please solve this
meriva

Answer:

n= -6

Step-by-step explanation:

Simplifying

4 + -7n = -1(8n + 4) + 2

Reorder the terms:

4 + -7n = -1(4 + 8n) + 2

4 + -7n = (4 * -1 + 8n * -1) + 2

4 + -7n = (-4 + -8n) + 2

Reorder the terms:

4 + -7n = -4 + 2 + -8n

Combine like terms: -4 + 2 = -2

4 + -7n = -2 + -8n

Solving

4 + -7n = -2 + -8n

Solving for variable 'n'.

Move all terms containing n to the left, all other terms to the right.

Add '8n' to each side of the equation.

4 + -7n + 8n = -2 + -8n + 8n

Combine like terms: -7n + 8n = 1n

4 + 1n = -2 + -8n + 8n

Combine like terms: -8n + 8n = 0

4 + 1n = -2 + 0

4 + 1n = -2

Add '-4' to each side of the equation.

4 + -4 + 1n = -2 + -4

Combine like terms: 4 + -4 = 0

0 + 1n = -2 + -4

1n = -2 + -4

Combine like terms: -2 + -4 = -6

1n = -6

Divide each side by '1'.

n = -6

Simplifying

n = -6

3 0
2 years ago
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Please jdkhskslsjje
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Answer:

3/8

Step-by-step explanation:

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1. subtract 1/4 to get 3/4 (how much time she has left in class).

2. multiply 3/4 by 1/2 to find how much half of 3/4 is.

3. Half of 3/4 is 3/8 so that's how much time she spent on the balance beam.

3 0
3 years ago
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