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Iteru [2.4K]
3 years ago
12

What number can you use to simplify 5 and 15?

Mathematics
1 answer:
pshichka [43]3 years ago
7 0

Answer:

You can use 5 to simplify 5 and 15, giving you 1 and 3

If this answer was helpful please consider giving brainliest!

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Find the value of X......
Ivahew [28]

Answer:

720 = x +133+138+148+95+105

x = 101

5 0
3 years ago
A random sample of 4000 college students yielded 2250 who are in favor of banning Hawaiian shirts. Estimate the true proportion
Andreas93 [3]

Answer: (0.5496, 0.5754)

Step-by-step explanation:

The confidence interval for population proportion (p) is given by :-

\hat{p}\pm z*\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}  , where \hat{p}= Sample proportion , n= sample size , z*= Critical z-value.

Let p be the  proportion of all college students who are in favor of banning Hawaiian shirt.

Given, A random sample of 4000 college students yielded 2250 who are in favor of banning Hawaiian shirts.

i.e. n=4000

\hat{p}=\dfrac{2250}{4000}=0.5625

z-value for 90% confidence level is 1.645

Now , 90% confidence interval for p would be :

0.5625\pm (1.645)(\sqrt{\dfrac{0.5625(1-0.5625)}{4000}})

=0.5625\pm (1.645)(\sqrt{0.0000615234375})\\\\=0.5625\pm (1.645)(0.00784368774876)\\\\\approx0.5625\pm0.0129\\\\=(0.5625-0.0129, \ 0.5625+0.0129)\\\\=(0.5496,\ 0.5754)

Hence, the required 90% interval = (0.5496, 0.5754)

6 0
4 years ago
Multiply or divide as indicated. Simplify your answer, if possible.<br><br> b 3 • b -3
liberstina [14]
B^3/b^3= b^0= 1
the answer to the question
5 0
3 years ago
Please Help!!<br><br> Write in exponential form.
Nimfa-mama [501]

Answer:

C, 5e^{i(5\pi/3)

Step-by-step explanation:

Euler's formula:

e^{ix}=\cos{x}+i\sin{x}

Looking at the expression in the parentheses, your x is explicitly given to you as 5\pi/3, so using Euler's formula:

5\left(\cos\frac{5\pi}{3}+i\sin{\frac{5\pi}{3} })=5e^{i(5\pi/3)

Which is C.

8 0
4 years ago
Jasmine walked 15 blocks. She stopped at the store 3/5 of the way into her walk. How many blocks did she walk to the store?
laiz [17]

Answer:

8

Step-by-step explanation:

3 0
3 years ago
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