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2 years ago

6

A rectangle has a width of 12.5m and a length of 105m. What is the effect on the perimeter when the dimensions are multiplied by

2?

1 answer:

vladimir1956 [14]2 years ago

7 0

It is two times bigger

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How many fifths are there in 3⅗

Ilya [14]

Answer:

18/5

Step-by-step explanation:

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3 years ago

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You work for a pharmacy and monthly sales of asthma inhalers in your pharmacy follows a normal distribution with a mean of 191 i

grin007 [14]

Answer: -1.33 .

Step-by-step explanation:

Formula to find the Z-score :

$Z=\dfrac{\text{Expected value - Mean}}{\text{Standard deviation}}$

Given: Mean = 191 and Standard deviation = 21

Then , the z-score corresponding to the expected value of 163 will be :

$Z=\dfrac{163-191}{21}\\\\=\dfrac{-28}{21}\approx-1.33$

Hence, the z score corresponding to selling 163 inhalers is -1.33 .

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2 years ago

The book Kathy is reading is 540 pages long. So far, she has read 405 pages. What percent of the book does she have left to read

Elan Coil [88]

405/540 = 0.75 —> 75%

The answer is C.

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2 years ago

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The lines given by the equations y = 2x and y= 2x + 1 are

Elan Coil [88]

A. is the answer i’m pretty sure

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2 years ago

Is 4.15 greater than 4.051

I am Lyosha [343]

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2 years ago