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Scilla [17]
3 years ago
9

This is found by multiplying pi by the radius squared

Mathematics
1 answer:
Minchanka [31]3 years ago
7 0
Area of a circle is found by multiplying Pi times the radius squared. The radius of a circle is a segment that has its end points on the circle, and on the center of the circle, or you can think of it like, it goes halfway across the circle
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What is the value of − 9 × ( 1 4 ) ÷ ( − 0.75 ) ?
andre [41]

Answer: 168

Step-by-step explanation:

1. -9 * 14 = -126

2. -126/ -0.75 = 168

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3 years ago
The area of a square in square feet is represented by z² + 8z + 16.
Luden [163]

Answer:

Side length: z + 4

Perimeter: 64

Step-by-step explanation:

Hello!

Since the area of a square is the square of the sde length,

using the special binomial product formula: (a+b)² = a² + 2ab + b²:

  • z² + 8z + 16
  • (z + 4)²

The side length of the square is (z+4)².

The perimeter is 4(z + 4), where z is 12:

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8 0
2 years ago
-4(-11+4n) -3( -2n+9)
belka [17]

Answer:17-10n

Step-by-step explanation:

3 0
3 years ago
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An exponential model shows the growth of a towns population in years. Identify the parts:
Semmy [17]

9514 1404 393

Answer:

  • 2% growth per year
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  • 12 years
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Step-by-step explanation:

The base of the exponent is (1 +0.02). The value 0.02 = 2% is the growth rate. It is positive, signifying a 2% rate of growth per year. (Negative values would mean decay.)

The number 25000 that multiplies the exponential term is the value of the expression when the exponent is zero. It represents the starting population.

The exponent is said to be in years, so the time is 12 years.

The current population is the value of the expression:

  25,000(1.02^12) ≈ 31,706 . . . . current population

5 0
3 years ago
there is 1,000 cm3 of aluminum available to cast a trophy that will be in the shape of a right square pyramid. Is this enough al
enyata [817]

Answer:

The answer is C

Step-by-step explanation: I hope this help you

3 0
3 years ago
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