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Rashid [163]
3 years ago
12

The circumference of a circle is 14 pi ft. Find its diameter, in feet

Mathematics
2 answers:
SSSSS [86.1K]3 years ago
6 0

Answer:

The formula for area of a circle is:

A

=

π

r

2

, where

A

=

area,

π

=

22

7

, and

r

=

radius.

Since we know that the radius is half the diameter of a circle, we know that the radius of the given circle is

14

2

=

7

f

t

.

Hence:

A

=

π

r

2

A

=

22

7

×

7

2

A

=

22

7

×

7

×

7

A

=

22

7

×

7

×

7

A

=

22

×

7

A

=

154

Valentin [98]3 years ago
3 0

Answer:

14

Step-by-step explanation:

Please let me know if you want me to add an explanation as to why this is the answer/how I got this answer. I can definitely do that, I just wouldn’t want to write it if you don’t want me to :)

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tatuchka [14]

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3 years ago
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The product 1/6 x 3/2 will be less than or greater than 1/6
garik1379 [7]

Answer:

The product of 1/6 × 3/2 will be greater than 1/6.

Step-by-step explanation:

Let's start by converting the fraction 3/2.

\frac{3}{2}  = 1\frac{1}{2} = 1.5

We are given a number greater than 1. Since you are multiplying 1/6 by a number greater than 1, the answer is an increased value compared to the original number.

We can also prove this the mathematical way:

\frac{1}{6}  \times  \frac{3}{2}  =  \frac{1 \times 3}{6 \times 2}  =  \frac{3}{12}  =  \frac{1}{4}

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5 0
3 years ago
PLEASE HELP! URGENT!!
Mrrafil [7]

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6 0
3 years ago
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If M (4.2) is the midpoint of AB and A (-5, -3), find the coordinates of B.
loris [4]

Given:

M(4,2) is the midpoint of AB and A(-5, -3).

To find:

The coordinates of B.

Solution:

Let the coordinates of point B are (a,b).

Midpoint formula:

Midpoint=\left(\dfrac{x_1+x_2}{2},\dfrac{y_1+y_2}{2}\right)

M(4,2) is the midpoint of AB and A(-5, -3).

M=\left(\dfrac{-5+a}{2},\dfrac{-3+b}{2}\right)

(4,2)=\left(\dfrac{-5+a}{2},\dfrac{-3+b}{2}\right)

On comparing both sides, we get

4=\dfrac{-5+a}{2}

8=-5+a

8+5=a

13=a

And,

2=\dfrac{-3+b}{2}

4=-3+b

4+3=b

7=b

Therefore, the coordinates of point B are (13,7).

4 0
3 years ago
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faust18 [17]

Answer:

D.

Step-by-step explanation:

f(x)·g(x)=(x³+2x²+3x+1)(4x-5)

           =4x^{4} +8x^{3} +12x^{2} +4x-5x^{3} -10x^{2} -15x-5

           =4x^{4} +3x^{3} +2x^{2} -11x-5

4 0
3 years ago
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