3 years ago

Please help me I am stuck on question C.

Mathematics

1 answer:

34kurt3 years ago

6 0

The answer is B
Step by Step Equation

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62.4 is 48% of what number ?

Veronika [31]

Answer:

130

Step-by-step explanation:

62.4 divided by 48 to get the 1 percent of the number, then multiply by 100 to get the number.

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3 years ago

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10. Which of the following corresponds to the midpoint of the points A(-2, 5, -3) and B(7,-4, 10)

pochemuha

Answer:

Step-by-step explanation:

$mid ~point~of~A(-2,5,-3)~and~B(7,-4,10) ~is~C(\frac{-2+7}{2} ,\frac{5-4}{2} ,\frac{-3+10}{2} )\\=(\frac{5}{2},\frac{1}{2} ,\frac{7}{2} )$

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3 years ago

What times itself 3 times to get -0.125

Verdich [7]

That would be -0.041

-0.125/3 = -0.041666666

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3 years ago

One type of insect is 0.0052 meters long. What is the lenght in scientific notation

Ket [755]

Answer:

5.2 × $10^{-3}$

Step-by-step explanation:

a number in scientific notation is expressed as

a × $10^{n}$

where 1 ≤ a < 10 and n is an integer

write 0.0052 as a number between 1 and 10, that is 5.2

we have to the move the decimal point 3 places to the left to retain it's value

3 places left means n is - 3

0.0052 = 5.2 × $10^{-3}$

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3 years ago

The measure of an interior angle of a regular polygon is 140°140°. find the number of sides of the polygon.

MA_775_DIABLO [31]

$\alpha = \cfrac{180(n-2)}{n} \ \ \ \ \ [ \alpha =interior \ angle, \ \ n=number \ of 
 \ sides] \\ \\ \\ 140 = \cfrac{180(n-2)}{n} \\ \\ 140n = 180(n-2) \\ \\ 140n=180n-360 \\ \\ 40n=360 \\ \\ n= \frac{360}{40}=9 \ \ sides$

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3 years ago

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