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2 years ago

Find the unit rate.Round to the nearest hundredth,if necessary. 370 for 12 ft2. The unit rate is $ _______/ft2 I NEED HELP!!!

Mathematics

1 answer:

satela [25.4K]2 years ago

6 0

Answer:

30.80

Step-by-step explanation:

$370/12ft^2

hope this is helpful ! stay safe, God Bless you and your family...!

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Give your answer as mixed fraction and simplest from .

sergiy2304 [10]

Add the whole numbers.
Then add the numerators.

2 2/6 + 3 2/6 = 5 4/6

Simplify the fraction

5 2/3

3 0

2 years ago

Randy and Sandy have a total of 20 books between them. After Sandy loses three by leaving them on the bus, and some birthday gif

nasty-shy [4]

Answer:

Randy had 13 books an Sandy had 7 books.

Step-by-step explanation:

20 - 3 = 17

30 - 17 = 13

13 x 2 = 26

26 + 4 = 30

13 + 7 = 20

Hope this helps! Please mark as brainliest.

3 0

2 years ago

N =⟨−2, −1⟩ and D=<img src="https://tex.z-dn.net/?f=%5Cleft%5B%5Cbegin%7Barray%7D%7Bcc%7D-3%260%5C%5C4%261%5C%5C%5Cend%7Barray%

zepelin [54]

Answer:

-9

Step-by-step explanation:

-3(-2) + 0(-1)

4(-2) + 1(-1)

6 + 0

-8 + -1

-9

*don't forget to add brackets on each side of every calculation okay :)

5 0

2 years ago

Help please !!!!thank yo

goldfiish [28.3K]

Answer:

250

Step-by-step explanation:

There is a 200 start up cost plus 50 per month

Cost = 200 + 50m where m is the number of months

We have 1 month

Cost = 200 +50(1)

Cost = 250

6 0

2 years ago

Read 2 more answers

Test scores are normally distributed with a mean of 500. Convert the given score to a z-score, using the given standard deviatio

Bond [772]

Answer:

The percentage of students who scored below 620 is 93.32%.

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 question, we have that:

$\mu = 500, \sigma = 80$