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3 years ago

5

a normal distribution with a mean of 85 and a standard deviation of 12. What is the proportion between 80 and 90? u =85 s =12. P

(80

1 answer:

Neko [114]3 years ago

4 0

I think the answer is 44

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2) The 114 students in the ninth grade at Mathville High are going on a field trip to the science

9966 [12]

Answer:

4 buses

Step-by-step explanation:

40b=114+114/10

40b=114+11.4

40b=125.4

b=3.135

The answer is 4 because you have to round up to get the remaining people.

5 0

2 years ago

Answer quick for my hw pls

Readme [11.4K]

Answer:

day 14 , 450 dollars

Step-by-step explanation:

We called x is the number of days

Zippy Rent-a-car: 25x + 100

Speedy Rent-a-car: 30x + 30

25x + 100 = 30x + 30

25x -30x = 30 - 100

-5x = -70

x = 14

5 0

3 years ago

Read 2 more answers

When Deion was born, his grandfather gave him a 7.5-gram gold coin as a present. Today, Deion read in the newspaper that a gram

Sindrei [870]

Step-by-step explanation:

1 garm = $50.04

7.5 gram = 50.04 × 7.5 = $375.3

7 0

2 years ago

THIS IS MY LAST QUESTION AND ITS DUE RIGHT NOW

ivanzaharov [21]

Answer:

A

Step-by-step explanation:

7 0

2 years ago

Read 2 more answers

Mrs. Johnson gets her morning coffee. She can't decide which size to order. Which size is the better buy? Explain.

Tom [10]

Answer:

large

Step-by-step explanation:

3.95 divided by 12 = 0.33

4.25 divided by 16 = 0.27

4.55 divided by 20 = 0.2275

the 20oz is the least unit price

3 0

2 years ago