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gtnhenbr [62]
3 years ago
8

What is 6(5+7)+21=?????????

Mathematics
2 answers:
Illusion [34]3 years ago
7 0

Answer:

93

Step-by-step explanation:

5+7 =12

12 x 6 = 72

72+21= 93

nataly862011 [7]3 years ago
3 0

6(5 + 7) + 21 = 93 \\  \\ 1. \: 6 \times 12 + 21 \\ 2. \: 72 + 21 \\ 3. \:  = 93

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taurus [48]

Answer:

8. C=131.88 mm

9. C=40.82 ft

10. A=254.34 in²

Step-by-step explanation:

8. diameter of 42 millimeters- circumference?

Radius is half of 42, so 21 mm

Circumference=2πr

C=2π21

C=131.88 mm

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radius is half of 13, so 6.5

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C=2π6.5

C=40.82 ft

10. radius of 9 in- area?

Area=πr²

A=π9²

A=π81

A=254.34 in²

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3 years ago
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Anna11 [10]
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4 years ago
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Two angle measures of a triangle are 35° and 50° . What is the measure, in degrees, of the other angle?
zubka84 [21]

Answer:

95

Step-by-step explanation:

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7 0
3 years ago
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Troyanec [42]

Answer:

82*

Step-by-step explanation:

10x+8 = 12x-10

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3 years ago
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Find the gcf of 200 and 72
Aleks04 [339]

To get the Greates Common Factor (GCF) of 72 and 200 we need to factor each value first and then we choose all the copies of factors and multiply them:

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Answer: 8
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4 years ago
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