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ziro4ka [17]
3 years ago
5

What is the circumference of a circle with a diameter of 7 inches? (use for pi)

Mathematics
2 answers:
Marrrta [24]3 years ago
3 0

Answer:

21.9

Step-by-step explanation:

circumference = pi x diameter

3.14 x 7 = 21.9

Scilla [17]3 years ago
3 0

Answer:

its about 22

Step-by-step explanation:

7 times 3.14 equals 21.98

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I need help asap please
rjkz [21]

Answer:

x = -\frac{3}{2} or x = 1

Step-by-step explanation:

Using the zero product property, first step is to set the given equation, 2x^2 + x - 1 = 2 , to zero. Then factorise the left side.

Thus,

2x^2 + x - 1 = 2

Subtract 2 from both sides

2x^2 + x - 1 - 2 = 2 - 2

2x^2 + x - 3 = 0

Factorise the left side

2x^2 + 3x - 2x - 3 = 0

x(2x + 3) - 1(2x + 3) = 0

(x - 1)(2x + 3) = 0

Find the solution

x - 1 = 0

Or

2x + 3 = 0

x = 1

Or

2x + 3 = 0

2x = -3

x = -\frac{3}{2}

The answer is: x = 1 or x = -\frac{3}{2}

3 0
3 years ago
Write the set of points from −8 to −2 but excluding −3 and −2 as a union of intervals
Sauron [17]
If you're only dealing with integers, then the answer is:

[-8 , -3)

If you're dealing with real numbers, then the answer is:

[-8, -3)∪(-3, -2)
3 0
2 years ago
A)Agudos<br> B)suplementares <br> C)congruentes<br> D)complementares <br> E)Rasos
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Answer:

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Answer:

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