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alisha [4.7K]
3 years ago
6

Simplify the expression. 11(32 + 5x) + 4x - x

Mathematics
2 answers:
malfutka [58]3 years ago
5 0

Answer:

352 + 58x

Step-by-step explanation:

alex41 [277]3 years ago
3 0

Answer:

352+58x

Step-by-step explanation:

Distribute to get 352+55x+4x-x

Combine like terms to get 352+58x.

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The class scores of a history test have a normal distribution with a mean Mu = 79 and a standard deviation Sigma = 7. If Opal’s
storchak [24]

The value of z score for the history class test of Opal’s test score is negative one (-1).

<h3>What is normally distributed data?</h3>

Normally distributed data is the distribution of probability which is symmetric about the mean.

The mean of the data is the average value of the given data. The standard deviation of the data is the half of the difference of the highest value and mean of the data set.

The z score for the normal distributed data can be given as,

Z=\dfrac{X-\mu}{\sigma}

The mean value of the scores of history class is,

\mu=79

The standard deviation value of the scores of history class is,

\sigma=7

Here, the test score of the Opal’s is 72. Thus the z score for her test score can be given as,

z=\dfrac{72-79}{7}\\z=-1

Hence, the value of z score for the history class test of Opal’s test score is negative one (-1).

Learn more about the normally distributed data here;

brainly.com/question/6587992

6 0
2 years ago
HELP QUICK - I WILL MARK YOU BRAINLY
-BARSIC- [3]

Answer:

perimeter goes with the one that has 5x^2

i dont know the second im sorry

Step-by-step explanation:

8 0
3 years ago
a test has 25 questions and is worth a total of 100 points. it consists of multiple choice that are worth 8 points each and shor
soldier1979 [14.2K]

Answer:

5

Step-by-step explanation:

8*5=40  and then 20 short answer that are 3 each. that makes up the rest of the 60 points

3 0
3 years ago
Read 2 more answers
Help me please I will mark you as the brainlys ansswerr​
LiRa [457]

1.09  +

1.38

First, add the numbers in the hundredths column:

9+8=16

Carry the one, and add the numbers in the tenths column:

1+0+3=4

Now, add the numbers in the ones column:

1+1=2

Bring the decimal straight down.

The answer is 2.46

Hope this helps!!

3 0
3 years ago
Find the exact value of sin ( 7 π 4 ) using reference angles
Firdavs [7]

Answer:

-1/root2

Step-by-step explanation:

7pi/4 radians is the same as -pi/4 radians

sin(-pi/4) is -sin(pi/4) = -1/root2

3 0
3 years ago
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