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N76 [4]
4 years ago
9

Circumference and Area of a Circle

Mathematics
1 answer:
Llana [10]4 years ago
4 0

Answer:

the circumference is 2.99 and the area of the circle is 38.48

Step-by-step explanation:

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Answer choices :<br> A.27<br> B.32<br> C.34<br> D.39
ololo11 [35]

x = 27° (A)

Step-by-step explanation:

5x° + (x + 18)° = 180°

(5x + x)° + 18° = 180°

6x° + 18° = 180°

6x° = 180° - 18°

6x° = 162°

x° = 162 ÷ 6

x° = <u>2</u><u>7</u><u>°</u>

So, the value of x is 27° (A)

<em>Hope </em><em>it </em><em>helpful </em><em>and </em><em>useful </em><em>:</em><em>)</em>

7 0
3 years ago
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A boy is three years than his sister. Three years ago he was two-thirds of his sister's age.What are their present ages?​
tangare [24]

Answer: boy 9 years

Girl 3 years

Step-by-step explanation:

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A store pays $15 for a baseball cap. The percent<br> markup is 60%. What is the selling price?
Vesna [10]

Answer:

$25

Step-by-step explanation:

Simply by using long division, this can be solved. Change 60% into its decimal form (0.6,) and divide 15 by 0.6.

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3 years ago
Find the area of the following rectangle.
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A line goes through the point (6,–2) and has a slope of –3.
Mama L [17]
Y = mx + b
slope(m) = -3
(6,-2)...x = 6 and y = -2
sub and find b, the y int
-2 = -3(6) + b
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16 = b
so ur equation for this line is : y = -3x + 16

(a,7)......so y = 7......" a "  is gonna be x

y = -3x + 16
7 = -3x + 16
7 - 16 = -3x
- 9 = -3x
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4 years ago
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