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nevsk [136]
2 years ago
11

Do you know why your friend is wrong

Mathematics
2 answers:
arsen [322]2 years ago
7 0

Answer:

i think so what is aap name

GuDViN [60]2 years ago
5 0

Answer:

Sure

Step-by-step explanation:

If they are dividing by 2 shouldn't the 6 get divided to? That's what I believe is wrong.

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Represent the following sentence as an algebraic expression, where "a number" is the letter x. You do not need to simplify.
zloy xaker [14]

Answer:

The statement, one fifth of the square of a number is written as

\frac{1}{5}  {x}^{2}

Hope this helps you

6 0
2 years ago
Whats the slope for this
Yakvenalex [24]

Because the line is already written in slope-intercept form, we can find the slope and y-intercept just by looking at it.

<u>The slope is 6.</u>

<u>The y-intercept is -12.</u>

5 0
3 years ago
Read 2 more answers
A sociologist develops a test to measure attitudes towards public transportation, and 27 randomly selected subjects are given th
taurus [48]

Answer:

The margin of error for the 95% confidence interval for the mean score of all such subjects is of 8.45.

Step-by-step explanation:

We have the standard deviation for the sample, which means that the t-distribution is used to solve this question.

The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So

df = 27 - 1 = 26

95% confidence interval

Now, we have to find a value of T, which is found looking at the t table, with 26 degrees of freedom(y-axis) and a confidence level of 1 - \frac{1 - 0.95}{2} = 0.975. So we have T = 2.0518

The margin of error is:

M = T\frac{s}{\sqrt{n}}

In which s is the standard deviation of the sample and n is the size of the sample.

In this question:

n = 27, s = 21.4. So

M = 2.0518\frac{21.4}{\sqrt{27}}

M = 8.45

The margin of error for the 95% confidence interval for the mean score of all such subjects is of 8.45.

5 0
3 years ago
A sporting goods store charges $30 for 12 cans of tennis balls and $45 for two boxes of golf balls. A coach orders100 cans of te
aliya0001 [1]
362.50 for tennis and golf balls.
To find the answer divide the dollar amount by how many cans or boxes each cost then multiply that answer by the total amount purchased.
Golf balls
45/2=22.50 each box
22.5*5=112.50 total
Tennis balls
30/12=2.50 each can
2.50*100 = 250.00
add the dollar amounts  together
112.50+250.00 =362.50
3 0
3 years ago
Which table of values represents a function?
ser-zykov [4K]
I would say option 3 hopefully im right!!
7 0
2 years ago
Read 2 more answers
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