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3 years ago

24. 17 is 40% of what number?

2 answers:

7 0

The answer is 42.5. you would set up a proportion with 40/100 and 17/w

you would multiply 17*100
(1700)
and divide that by 4
(42.5)
hope this helped!! :)

EastWind [94]3 years ago

6 0

Answer:

9.7

Step-by-step explanation:

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Mileage tests are conducted for a particular model of automobile. If a 98% confidence interval with a margin of error of 1 mile

Llana [10]

Answer: 37

Step-by-step explanation:

Given : Significance level : $\alpha:1-0.98=0.02$

Critical value : $z_{\alpha/2}=z_{0.01}=2.33$

margin of error : E= 1 mile per gallon

Population standard deviation: $\sigma=2.6$ miles per gallon.

We know that when the population standard deviation is known then the formula to find the sample size is given by :

$n=(\dfrac{z_{\alpha/2}\times \sigma}{E})^2$

$n=(\dfrac{(2.33)\times 2.6}{1})^2=36.699364\approx37$ [Round to the next whole number.]

Hence, the required number of automobiles should be used in the test = 37

7 0

3 years ago

What is 0.4% of $100

aksik [14]

0.4% = 0.004

100 * 0.004 = 0.4

4 0

3 years ago

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The table gives the vertices of a preimage and its image under what transformation? (x, y) (?, ?)

ankoles [38]

The first one is 8 and the second one is 6

3 0

2 years ago

Here is 93 points but answer this please If x = 4, what is the value of x3 + x - 5?

Luda [366]

Answer:

Step-by-step explanation:

x3+x-5

3*4=12

12+4-5

16-5=11

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8 0

2 years ago

3) You owe $1,842.66 on a credit card at a 14.5% APR. You pay $250.00 at the beginning of the month and put another $250.00 in a

Wittaler [7]

3. Credit Card: (1842.66 - 250) (.145/12) = $19.24

Savings: 250(0.04/12) = $0.83

Difference = 19.24 - 0.83 = $18.41

4. Credit Card: (1842.66 - 500) (.145/12) = $16.22

You will save $18.41 - $16.22 = $2.19 by putting all $500 toward the higher credit card rate.

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3 years ago

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