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2 years ago

12

Try This one out and I’ll give you brainliest no links or I will report you Thank you

2 answers:

labwork [276]2 years ago

5 0

Answer:

Your answer is 32.

Step-by-step explanation:

4 [2(9-7)^3 - (2+6)]

First, we'll figure out 9-7^3.

9-7 = 2

2^3 = 8

Since it's 2(9-7), we'll do 8x2.

8x2 = 16

2 + 6 = 8

16 - 8 = 8

4 x 8 = 32+

Edit: No, I did not copy the other answer. I just realized that someone else answered while I was writing all this.

sladkih [1.3K]2 years ago

3 0

Answer:

32. steps below.

Step-by-step explanation:

So calculate 4(2x2^3-8)

=

4(2^4-8)

calculate

4(16-8)

Then get

4x8=32.

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On a very hot summer day, 5% of the production employees at Midland States Steel are absent from work. The production employees

Ann [662]

Answer:

59.87% probability of randomly selecting 10 production employees on a hot summer day and finding that none of them are absent

Step-by-step explanation:

For each employee, there are only two possible outcomes. Either they are absent, or they are not. The probability of an employee being absent is independent from other employees. So we use the binomial probability distribution to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

$P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}$

In which $C_{n,x}$ is the number of different combinations of x objects from a set of n elements, given by the following formula.

$C_{n,x} = \frac{n!}{x!(n-x)!}$

And p is the probability of X happening.

5% of the production employees at Midland States Steel are absent from work.

This means that $p = 0.05$

What is the probability of randomly selecting 10 production employees on a hot summer day and finding that none of them are absent

This is P(X = 0) when n = 10. So

$P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}$

$P(X = 0) = C_{10,0}.(0.05)^{0}.(0.95)^{10} = 0.5987$

59.87% probability of randomly selecting 10 production employees on a hot summer day and finding that none of them are absent

4 0

3 years ago

The ages of 11 students enrolled in an on-line macroeconomics course are given in the following steam-and-leaf display:

blsea [12.9K]

Answer:

The standard deviation of the age distribution is 6.2899 years.

Step-by-step explanation:

The formula to compute the standard deviation is:

$SD=\sqrt{\frac{1}{n}\sum\limits^{n}_{i=1}{(x_{i}-\bar x)^{2}}}$

The data provided is:

X = {19, 19, 21, 25, 25, 28, 29, 30, 31, 32, 40}

Compute the mean of the data as follows:

$\bar x=\frac{1}{n}\sum\limits^{n}_{i=1}{x_{i}}$

$=\frac{1}{11}\times [19+19+21+...+40]\\\\=\frac{299}{11}\\\\=27.182$

Compute the standard deviation as follows:

$SD=\sqrt{\frac{1}{n}\sum\limits^{n}_{i=1}{(x_{i}-\bar x)^{2}}}$

$=\sqrt{\frac{1}{11-1}\times [(19-27.182)^{2}+(19-27.182)^{2}+...+(40-27.182)^{2}]}}\\\\=\sqrt{\frac{395.6364}{10}}\\\\=6.28996\\\\\approx 6.2899$

Thus, the standard deviation of the age distribution is 6.2899 years.

7 0

3 years ago

The dimensions of a rectangular pool table are: (x + 4)(x + 10), What is the area of the table?

sergij07 [2.7K]

Answer:

D. x^2 +14x + 40

Step-by-step explanation:

(x+4)(x+10)

x^2+10x+4x+40

x^2+14x+40

6 0

3 years ago

Read 2 more answers

Multiply two and five-eighths negative two and three-fifths .

Yuki888 [10]

The answer is -6.825 in fraction form, it would be -6 33/40

4 0

3 years ago

Several members of a running club would like to survey the rest of the members to determine which 5K races the club should enter

telo118 [61]

Answer:

01–78

Step-by-step explanation:

Edge 2020/2021

3 0

3 years ago