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Liula [17]
2 years ago
12

How many 12 hours periods (half days) will pass after 25 hours? Enter only the whole number of period that have passed?

Mathematics
1 answer:
shtirl [24]2 years ago
7 0

Answer:

2

Step-by-step explanation:

12 + 12 = 24

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Keith won a cash prize in an art competition. He gave his mother 2/5 of the money he won. Of the remainder, 1/4 was given to his
USPshnik [31]

Answer:

300 dollars

Step-by-step explanation:

Let the original amount = x

x - 2/5x  was what his mother's share looked.

5/5 x - 2/5 x

3/5x is what is left.

3/5 x - 1/4 * 3/5 x - 2/3x * 3/5 = his sister's share and his brothers

3/5x - 1/4*3/5 x - 2/3 * 3/5 = 15

3/5x * (1 - 1/4 - 2/3) = 15

3/5 x 5/60 = 15

15 / 300 * x = 15

1/20  x = 15

x = 15 * 20

x = 300

7 0
2 years ago
Select all of the integers less than -3<br><br>1: -12<br>2: 0<br>3: -4<br>4: 3<br>5: -10​
MatroZZZ [7]
1,3,5 because they are all negatives less than -3
5 0
3 years ago
Use the confidence level and sample data to find a confidence interval for estimating the population mu. Round your answer to th
inysia [295]

Answer:

c. 9.5 lb < mu < 11.1 lb.

Step-by-step explanation:

Confidence interval can be stated as M±ME where

  • M is the sample mean (10.3)
  • ME is the margin of error

margin of error (ME) around the mean can be calculated using the formula

ME=\frac{z*s}{\sqrt{N} } where

  • z is the corresponding statistic in 95% confidence level (1.96)
  • s is the standard deviation of the sample (2.4)
  • N is the sample size (37)

Putting thesenumbers in the formula we get:

ME=\frac{1.96*2.4}{\sqrt{37} } ≈ 0.7733 ≈ 0.8

Then the 95% confidence interval would be 10.3 ± 0.8

7 0
3 years ago
Solve for x.
olga nikolaevna [1]

Step-by-step explanation:

4.6 -.75 =

? \3 \frac{7}{20}

so x <3 7/20

3 0
2 years ago
The correct numeral form of this number written in scientific notation 1.83 × 10 5
MatroZZZ [7]
Since it says *10^5, we must multiply the number by 100,000.

To multiply a number by 100,000, move the decimal place of the original number 5 place values to the right. Fill in any necessary zero's.

Final answer: 183,000
5 0
3 years ago
Read 2 more answers
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