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kakasveta [241]
3 years ago
14

Which shape represents 6% of the rectangle?

Mathematics
1 answer:
Aleks04 [339]3 years ago
6 0

Answer:

Step-by-step explanation:

D

area of rectangle=25*12=300

6 % of area=300*6 %=18

area of D=1/2 *6*6=18

so  D

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A 500-page book contains 250 sheets of paper. The thickness of the paper used to manufacture the book has mean 0.08 mm and stand
LenaWriter [7]

Answer:

10.20% probability that a randomly chosen book is more than 20.2 mm thick

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

250 sheets, each sheet has mean 0.08 mm and standard deviation 0.01 mm.

So for the book.

\mu = 250*0.08 = 20, \sigma = \sqrt{250}*0.01 = 0.158

What is the probability that a randomly chosen book is more than 20.2 mm thick (not including the covers)

This is 1 subtracted by the pvalue of Z when X = 20.2. So

Z = \frac{X - \mu}{\sigma}

Z = \frac{20.2 - 20}{0.158}

Z = 1.27

Z = 1.27 has a pvalue of 0.8980

1 - 0.8980 = 0.1020

10.20% probability that a randomly chosen book is more than 20.2 mm thick

7 0
3 years ago
Select the correct answer.
oee [108]

Answer:

a² + b² = c²

Step-by-step explanation:

Pythagorean theorem: a² + b² = c²

3 0
3 years ago
You are making cupcakes and the recipe specifies 6 small eggs for every 27 cupcakes. You need to make 36 cupcakes. How many smal
astra-53 [7]
For every egg you can make 4.5 cupcakes so you will need 8 small eggs because 8 times 4.5 equals 36
6 0
3 years ago
You used a 35% off coupon and purchased a skateboard for 55.25. What was the original price of the skateboard?
Firlakuza [10]

Answer: It should be 74.5875

Step-by-step explanation: If you did 0.35*55.25= you should get a number then if you add that with the discounted price, $55.25, you should get 74.5875

7 0
3 years ago
Help me plz very hard
notka56 [123]

Answer:

19

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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