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telo118 [61]
3 years ago
5

What number is 25% of 68

Mathematics
2 answers:
olga2289 [7]3 years ago
8 0
Percentage Calculator: What is 25 percent of 68? = 17.
PSYCHO15rus [73]3 years ago
6 0

Answer:

15

Step-by-step explanation:

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The best way to solve the equation log 6 (6)^7 = x is
dybincka [34]

Answer:

(A) put the 7 in front of the log

log 6 (6)^7 = x

7 * log 6 (6) = x

7 * 1 = x

x = 7

6 0
4 years ago
Sue has to cut her grandma's grass this weekend and wants to know exactly how much area she will be cutting. Calculate the area
bogdanovich [222]
If it was the drawing i am imaging 
your answer will be  10535000

because 25x35 =875
875x8=7000
700x35=245000
245000x43=10535000
7 0
3 years ago
Read 2 more answers
b. Find a 99% confidence interval for mean age of ICU patients using the facts that, in the sample, the mean is 57.55 years and
rjkz [21]

Answer:

<em>99% of confidence intervals for mean age of ICU patients</em>

<em>(53.8920 , 61.2079)</em>

Step-by-step explanation:

<u><em>Explanation</em></u>:-

<em>Given sample mean </em>x^{-} = 57.55<em></em>

Given standard error is determined by

                                                             S.E =\frac{S.D}{\sqrt{n} }

<em>Given data standard error = 1.42</em>

<em>99% of confidence intervals for mean is determined by</em>

(x^{-} - Z_{0.01} \frac{S.D}{\sqrt{n} } , x^{-} + Z_{0.01} \frac{S.D}{\sqrt{n} } )

Z_{\frac{\alpha }{2} } = Z_{\frac{0.01}{2} } = Z_{0.05} = 2.576

(x^{-} - 2.576 S.E , x^{-} + 2.576 S.E)

(57.55 - 2.576X 1.42 , 57.55+ 2.576 X1.42)

(53.8920 , 61.2079)

<u><em>Conclusion</em></u>:-

<em>99% of confidence intervals for mean is determined by</em>

<em>(53.8920 , 61.2079)</em>

5 0
3 years ago
I NEED HELP WITH ALL OF THESE PLEASE! I HAVE A TEST AND I NEED HELP ASAP
Studentka2010 [4]
So what you do for distributive property is take #1 for example: 3(2x + 10) = 54. When there’s a parenthesis, you take the outside number which is the 3 times the numbers inside the parenthesis. So after doing that first step you should get 6x + 30 = 54. Now you want to get rid of the 30 so you do 30-30=0 but you have to do it on the other side as well. So subtracting 30 on both sides you should have 6x = 24. Now you want to get x by itself. The opposite of multiplying is dividing so you divide 6 from 6x. So the same on the other side. You get your answer x=4 if you did everything correct
4 0
3 years ago
Caleb claims that when you multiply a number by 10, you can just write a 0 at the right end of the number. Caleb gives the examp
sleet_krkn [62]

Answer:

Noah is correct

Step-by-step explanation:

When we multiply a whole number, (without decimal notation)  by 10 we can arrive at the correct answer by adding 0 to the right end of the number. However, it is not the general rule as the above method only applies to whole numbers because we have.

10 × 5 = 50

However,

10 × 5.0 ≠ 5.00

And

10 × 0.05 ≠ 0.050

The general rule is when multiplying a number by 10 it simply means shifting the decimal place one position to the left. The result of which is for whole numbers, when we shift the decimal place one place to the left, we add a zero to the right end of the number as follows;

10 × 30 = 300

Also when we multiply a decimal (fraction) by 10 we shift the place of decimal (decimal place) one decimal place to the right as follows;

10 × 0.003 = 0.03

Therefore, simply adding 0 to the right end of a number (including numbers with decimal fraction) when the number is multiplied by 10 to get the correct result is not always true.

7 0
3 years ago
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