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madam [21]
2 years ago
5

I need help with the answer i also need to explain this question

Mathematics
2 answers:
finlep [7]2 years ago
6 0

Answer:

B) 20

Step-by-step explanation:

telo118 [61]2 years ago
4 0

Answer: B: 20

Step-by-step explanation: We can take 40% as a fraction to make it 4/10, simplifying gives 2/5. 2/5 of 50 is 20!

Hope this Helps!

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If the variance of the data values in a population is 196, what is the standard deviation of the data values?
Natali [406]
The standard deviation is the square root of the variance

so if the variance is 196, then the standard deviation is the sqrt of 196, which is 14
4 0
3 years ago
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A landing pad for a helicopter is in the shape of a circle with a radius of 7 meters. Which of the following is closest to the a
ANTONII [103]

Answer:

The approximate value of the area is 153.86\ m^{2}

Step-by-step explanation:

we know that

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A=\pi r^{2}

we have

r=7\ m

substitute

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3 years ago
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28 percent of 63 is what
baherus [9]
The answer is 17.64    

4 0
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Rename the fraction as a decimal.<br><br> 4/16=
aleksandrvk [35]

Answer:

0.25

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simplify 4/16 to 1/4.

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3 0
3 years ago
Twice the sum of a number plus 4 is 26. Find the number
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2(x+4)=26
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2x=14
X=7
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3 years ago
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