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Anika [276]
3 years ago
6

How many hoars are there in three days

Mathematics
2 answers:
Yakvenalex [24]3 years ago
8 0
There's 24 hours each day, so we can just multiply.

24 (hours) × 3 (days) = 72

There are 72 hours in 3 days.

Zepler [3.9K]3 years ago
5 0
24 hours a day

24 * 3 = 72

72 hours in 3 days

(make me the brainliest)
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3. Laura walks 3/5 mile to school each day. Isaiah walk to school is 3 times as long as Laura's. Howfar does Isaiah walk to scho
Finger [1]
Lets write down what we know...

Laura walks 3/5 mile to school everyday

Laura=3/5mile

Isaiah's walk is 3 times as long as Lauras, so

Isaiah=Laura*3

We know how far Lauras walk is so we can solve for Isaiah's walk

Isaiah=3/5*3 (or Isaiah=3/5+3/5+3/5 if thats easier for you to solve for)
Isaiah=9/5 miles

Now we know the answer! Great, Isaiah walks 9/5 miles to school each day. But 9/5 is an improper fraction, so lets convert it to a mixed number.

9/5=

To solve for this, we have to find out how many times 5 can go into 9. 5 goes into 9 one time with a remainder of 4, so we can write the mixed number as.

9/5= 1 4/5

Isaiah walks 9/5miles or 1 4/5 miles. Both are correct.
5 0
3 years ago
Read 2 more answers
Work out m and c for the line:<br>y = 2x - 3​
saveliy_v [14]

Answer:

m = 2

c = -3

Explanation:

Equation of Line ⇒ y = mx +c

y = 2x - 3​

m = 2

c = -3

3 0
3 years ago
Read 2 more answers
A 95% confidence interval for a population mean is (28, 35). Using the same data at 5% level of significance, what should you de
iris [78.8K]

Answer:

A) Fail to reject the null hypothesis because 34 falls in the 95% confidence interval.  

Step-by-step explanation:

We are given the following information in the question:

A 95% confidence interval for a population mean is (28, 35)

Alpha, α = 0.05

The null and the alternate hypothesis are:

H_{0}: \mu = 34\\H_A: \mu \neq 34

  • A confidence interval also known as the acceptance region, is a set of values for the test statistic for which the null hypothesis is accepted.
  • If the observed test statistic lies in the confidence interval then we accept the null hypothesis and reject the alternative hypothesis.
  • If the observed test statistic is in the critical region then we reject the null hypothesis and accept the alternative hypothesis.

Hence, we fail to reject the null hypothesis and accept it because 34 falls in the 95% confidence interval.

8 0
3 years ago
77 is 22.3% of what number
Elza [17]

Answer:

345.29

Step-by-step explanation:

77 divided by .223 = 345.2914798

6 0
4 years ago
How do you simplify: 9x- 3(x-5) ? Please help . due tomorrow
Novosadov [1.4K]
9x - 3x - 15
6x - 15

Hope this helps.
4 0
3 years ago
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