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rjkz [21]
3 years ago
12

2. Simplify 2(54−1)3

Mathematics
2 answers:
Romashka [77]3 years ago
8 0

Answer:

3738

Step-by-step explanation:

use PEMDAS

Parentheses

Exponent

Multiplication

     or

Division

Addition

    or

Subtraction

one of those things above are not in the equation the skip it and for multiplication, division and addition, subtraction do not have to be done in order it is first come, first done for.  Example if there was a 1/2+3(4) you would do the division first

you always do the parentheses first

5 to the 4 power is 625

then you are left with

2(625-1)3then do 625 -1 is 624

and because of first come, first served and the 2 is first multiply the 2 to 624

you get 1246

then you have (1246)3

now you do 1246 multiplied by 3 and get your final answer

Hope this helps

Please mark me as brainliest

Fiesta28 [93]3 years ago
6 0
3738 use your pemdas
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According to a human modeling​ project, the distribution of foot lengths of women is approximately Normal with a mean of 23.4 ce
stiv31 [10]

Answer: 22.0.6%

Step-by-step explanation:

Given : According to a human modeling​ project, the distribution of foot lengths of women is approximately Normal with \mu=23.3\ cm and \sigma=1.3\ cm.

In the United​ States, a​ woman's shoe size of 6 fits feet that are 22.4 centimeters long.

Then, the probability that women in the United States will wear a size 6 or​ smaller :-

P(x\leq22.4)=P(z\leq\dfrac{22.4-23.4}{1.3})\ \ [\because z=\dfrac{x-\mu}{\sigma}]\\\\\approx P(z\leq-0.77)\\\\=1-P(z\leq0.77)\\\\=1-0.77935=0.2206499\approx0.2206=22.06\%

Hence,  the required answer = 22.0.6%

4 0
3 years ago
-1 3/7 x (-3 2/3) <br> Thank you
Evgesh-ka [11]
The answer would be D
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8 0
3 years ago
Read 2 more answers
Inez waters her plants every two days. She trims them every 15 days. She did both today. When will she do them both again?
shtirl [24]

The answer is 30 days.

The solution for this is to find the least common multiple. By getting the multiple of both numbers.

Multiples of 2:  2,4,6,8,10,12,14,16,18,20,22,24,26,28,30,32,34,36,38,40…..

Multiples of 15: 15,30,45,60,75……..

The Least Common Multiples of 2 and 15 is 30. So, Inez will do them both again in 30 days.

The least common multiple (LCM) of two numbers is the smallest number that is multiple by the both number.

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Ken, a single taxpayer, has a gross income of $79,685. He claims one exemption and can take a deduction of $1,257 for medical ex
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3 years ago
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A group of 15 people are going to run a race. The top 8 will advance to the finals. Determine if the situation is a permutation
LUCKY_DIMON [66]

For the given situation we have a total of 259,459,200 permutations.

<h3>How many permutations are?</h3>

First, how we know that it is a permutation?

Because the order matters, we aren't only selecting 8 out of the 15 people, but these 8 selected also have an order (is not the same thing to finish the race first than fourth, for example).

Then we need to find the number of permutations, to do it, we need to find the numbers of options for each of the 8 positions.

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Then the total number of permutations (product between the numbers of options) is:

P = 15*14*13*12*11*10*9*8 = 259,459,200

If you want to learn more about permutations:

brainly.com/question/11732255

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