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tester [92]
2 years ago
6

Please help!! There is a photo of my question

Mathematics
1 answer:
goldfiish [28.3K]2 years ago
6 0

Answer:

0.03A + 0.03B = 800

A + B = 20000

Step-by-step explanation:

Let one part A of the total money invested with 3% interest = $A

Therefore, other part B of the money invested with 5% interest = $B

Interest = Principal amount × Rate of interest × Duration of investment

If the duration is 1 year,

Interest = Principal amount × Rate of interest

Return on part A = A × 0.03

Return on part B = B × 0.05

Total return = $800

So the equations will be,

0.03A + 0.03B = 800 -------(1)

Since, total money invested = $20000

Equation will be,

A + B = 20000 -------(2)

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2 years ago
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If the sample variance for a frequency distribution consisting of hourly wages was computed to be 10, what is the sample standar
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The sample standard deviation is (B) $3.16.

<h3>What is the sample standard deviation?</h3>
  • The sample standard deviation is defined as the root-mean-square of the differences between observations and the sample mean: A significant deviation is defined as two or more standard deviations from the mean.
  • The lowercase Greek letter (sigma) for the population standard deviation or the Latin letter s for the sample standard deviation is most commonly used in mathematical texts and equations to represent standard deviation.
  • For example, if the sample variance for a frequency distribution of hourly wages is 10 and the sample standard deviation is $3.16.

Therefore, the sample standard deviation is (B) $3.16.

Know more about sample standard deviation here:

brainly.com/question/475676


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The complete question is given below:
If the sample variance for a frequency distribution consisting of hourly wages was computed to be 10, what is the sample standard deviation?

A. $4.67

B. $3.16

C. $1.96

D. $10.00

7 0
2 years ago
7. Find the measure of one exterior angle of<br><br> the regular polygon.<br><br> Triangle
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Answer:120°

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sum of exterior angles=360

In a triangle we have 3 exterior angles

Size for each exterior angle=360/3

Size for each exterior angle=120°

8 0
3 years ago
What one was c because all them look alike but different solutions
ElenaW [278]
I don't know what c you are talking about because there is no picture
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Ppllslslssllslslssl. awaaawwwwnnnssseeeerr thhhhhiissssss pplllslsssllslsls
Vlad1618 [11]
D is the correct answer
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