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yulyashka [42]
3 years ago
10

Circumference and area of a circle (picture provided)

Mathematics
1 answer:
Anestetic [448]3 years ago
4 0

Answer:

B

Step-by-step explanation:

The formulas we need are below:

C=dπ

A=r²π

d=2r

Plug in the values.

d=12

C=12π

A=36π

C=12(3.14)=37.68

A=36(3.14)=113.04

B matches

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The sum of a number p and seven is divided by twelve. The result is three. What is the number?
AVprozaik [17]
In the given problem there are several vital informations to take note off for completing the required answer to the question.
It has been assumed that the unknown number is = p
Now we can get to the desired equation for solving and finding the value of p.
(p + 7)/12 = 3
p + 7 = 3 * 12
p + 7 = 36
p = 36 - 7
  = 29
So the value of the unknown number p is 29. I hope that the method i have used to solve this problem is clear to you and you can solve such type of problems in future without anyone's help.
8 0
3 years ago
An angle measures 40° less than the measure of its supplementary angle. What is the measure of each angle? please hlpppppp
nordsb [41]

Answer:

<h2>110 and 70</h2>

Step-by-step explanation:

Two supplementary angles add up to 180°

Suppose x + y = 180 and y = x - 40

first we substitute y by x - 40 in the equation x + y = 180 ,we get:

x + (x - 40) = 180

then

2x - 40 = 180

then

2x = 180 + 40

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then

x = 220/2

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y = 110 - 40

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8 0
3 years ago
(2c-6) (5c²+5) what would this be for multiplying polynomials
solniwko [45]

Answer:

10c^3 -30c^2 + 10c -30

Step-by-step explanation:

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= 10c^3 + 10c - 30c^2 - 30

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4 0
1 year ago
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Ierofanga [76]

Answer:

y = 2/3x + 1 1/3

Step-by-step explanation:

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Plug in the points:

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y = mx + b

2 = 2/3(1) + b

2 = 2/3 + b

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Plug in the slope and y intercept into y = mx + b

y = 2/3x + 1 1/3 is the equation of the line

5 0
3 years ago
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Marina86 [1]
He jumped 1.542 feet
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