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2 years ago

Help pleaseeeeeeeeeee !!!!!

Mathematics

1 answer:

givi [52]2 years ago

7 0

9514 1404 393

Answer:

5/6

Step-by-step explanation:

The scale factor is the ratio of corresponding dimensions. The image dimension is divided by the preimage dimension.

k = 30/36 = 25/30 = 5/6

The scale factor is 5/6.

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Savatey [412]

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Step-by-step explanation:

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2 years ago

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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

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3 years ago

Find all the zeros of the polynomial function. f(x)=x^4+62^2+128x+65 I want to find the zeros of the polynomial function

IgorC [24]

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2 years ago

4/6, 7/12, 5/10

Elden [556K]

In order from least to greatest:
5/10 , 7/12 , 4/6
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2 years ago

Jesselyn made 6 muffins. She used 3/8 teaspoon of baking powder for each muffin. How much baking powder did Jesselyn use for all

bezimeni [28]

Answer:

Step-by-step explanation:

Multiply the number of muffins by how much baking powder is in each muffin. That's read as 6/1 × 3/8 which equals 18/8.

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1 year ago