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2 years ago

QUESTION 2

Mathematics

1 answer:

omeli [17]2 years ago

6 0

5 would be the correct answer

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Write an equation that can be used to answer each question

Ira Lisetskai [31]

1. (70 - 44) / 2

2. (45.00 - 25.50) / 6

3. (75 - 39) / 3

4. (90 - 30 +10) / 3

5. (100- 30+10) / 10

6. (50 - 5) / 10

PS: / means divide or division. also remember PEMDAS

Hope this helped you (;

4 0

3 years ago

A you borrows $10000 for 5 years at 12% compound interest. How much will the man have to repay?

valentinak56 [21]

Answer:

in 5 years he will have to pay over $10000 he will have to pay almost $100k

Step-by-step explanation:

7 0

2 years ago

Read 2 more answers

What is the gcf to 36 k and 144km

leonid [27]

The GCF is 36 since 36 can go into 144 (:
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7 0

2 years ago

Read 2 more answers

I NEED HELP!!!!!!

omeli [17]

The answer is 3. because you go -4 on the y axis and go up by 3

3 0

3 years ago

A sample of blood pressure measurements is taken for a group of adults, and those values (mm Hg) are listed below. The values

Slav-nsk [51]

Answer:

Systolic on right

$\hat{CV} =\frac{18.68}{127.5}=0.147$

Systolic on left

$\hat{CV} =\frac{12.65}{74.2}=0.170$

So for this case we have more variation for the data of systolic on left compared to the data systolic on right but the difference is not big since 0.170-0.147 = 0.023.

Step-by-step explanation:

Assuming the following data:

Systolic (#'s on right) Diastolic (#'s on left)

117; 80

126; 77

158; 76

96; 51

157; 90

122; 89

116; 60

134; 64

127; 72

122; 83

The coefficient of variation is defined as " a statistical measure of the dispersion of data points in a data series around the mean" and is defined as:

$CV= \frac{\sigma}{\mu}$

And the best estimator is $\hat {CV} =\frac{s}{\bar x}$

Systolic on right

We can calculate the mean and deviation with the following formulas:

[te]\bar x = \frac{\sum_{i=1}^n X_i}{n}[/tex]

$s= \frac{\sum_{i=1}^n (x_i -\bar X)^2}{n-1}$

For this case we have the following values:

$\bar x = 127.5, s= 18.68$

So then the coeffcient of variation is given by:

$\hat{CV} =\frac{18.68}{127.5}=0.147$

Systolic on left

For this case we have the following values:

$\bar x = 74.2 s= 12.65$

So then the coeffcient of variation is given by:

$\hat{CV} =\frac{12.65}{74.2}=0.170$

So for this case we have more variation for the data of systolic on left compared to the data systolic on right but the difference is not big since 0.170-0.147 = 0.023.

4 0

2 years ago