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vova2212 [387]
3 years ago
6

Please help<3 Thank you so much!:)

Mathematics
2 answers:
hammer [34]3 years ago
8 0

3rd one is the answer

UNO [17]3 years ago
5 0

Answer:

72.5 is greater than  1 * 50 (50) but less than 2 * 50 (100)

Step-by-step explanation:

First, let's figure out what 145% of 50 is. A percentage is a ratio or fraction of 100. So, 1 is 100% .5 is 50% .25 is 25%. Now that being said, let's find out how to find the percentage of a number.

To do that, you need to multiply the percentage & 50. So...

1.45 * 50=72.5

Now, lets compare with the other options.

72.5 is greater than 2*50 (100) but less than 3 * 50 (150) ❌

72.5 is greater than 3 * 50 (150) ❌

72.5 is greater than 0 but less than 1 * 50 (50)❌

72.5 is greater than  1 * 50 (50) but less than 2 * 50 (100) ✅

You might be interested in
What is 1/9 * 1/10= *please answer fast!
mamaluj [8]

Answer: 1/90

multiply 1/10 and 1/9 across, and you get 1/90

\frac{1}{9} × \frac{1}{10} = \frac{1}{90}

hope it helps!!!

6 0
3 years ago
Read 2 more answers
A machine is designed to fill 16-ounce bottles of shampoo. When the machine is working properly, the amount poured into the bott
DiKsa [7]

Answer:

Between 15.95 ounces and 16.15 ounces.

Step-by-step explanation:

We have the following value m, being the mean, sd, being the standard deviation and n, the sample size:

m = 16.05

sd = 0.1005

n = 4

We apply the formula of this case, which would be:

m + - 2 * sd / (n ^ 1/2)

In this way we create a range, replacing we have:

16.05 + 2 * 0.1005 / (4 ^ 1/2) = 16.1505

16.05 - 2 * 0.1005 / (4 ^ 1/2) = 15.9495

Which means that 95% of all samples are between 15.95 ounces and 16.15 ounces.

4 0
3 years ago
A color printer prints 7 pages in 3 minutes.
mojhsa [17]

Answer:

2 pages per minute

Step-by-step explanation:

when you divide 7 by 3, your answer would be 2.3333333333 and so on.

however, you can say

iT pRiNtS 2 aNd A tHiRd pAgEs PeR MiNuTe.

you should say it prints 2 whole pages a minute.

i hope this helps!

stay safe!

:)

4 0
3 years ago
What is 0.0000981 in scientific notation?
tatiyna
9.81 or 98.1 pretty sure it's the first one

3 0
3 years ago
The hours a week people spend answering and sending emails is normally distributed with a standard deviation of Ï = 150 minutes.
storchak [24]

Answer:

sample size n would be 149305 large

Value of n (149305) is too high, this will be the practical problem with attempting to find this confidence interval

Step-by-step explanation:

Given that;

standard deviation α = 150 min

confidence interval = 99%

since; p( -2.576 < z < 2.576) = 0.99

so z-value for 99% CI is 2.576

E = 1 minutes

Therefore

n = [(z × α) / E ]²

so we substitute

n = [(2.576 × 150) / 1 ]²

n = [ 386.4 ]²

n = 149304.96 ≈ 149305

Therefore sample size would be 149305 large

Value of n is too high, that would be the practical problem with attempting to find this confidence interval

4 0
3 years ago
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