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Oxana [17]
3 years ago
8

What is the midpoint of the segment shown below?

Mathematics
1 answer:
sashaice [31]3 years ago
3 0

Answer:

Step-by-step explanation:

average of x-coordinates = (-11+9)/2 = -1

average of y-coordinates = (0-1)/2 = -½

midpoint: (-1,-½)

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What is the repeating decimal 0.242424.... as a fraction in simplest form?
NikAS [45]
24/99           So 1000x = 234.234234234….

So now just take x away from 1000x  999x = 234.234234234… – 0.234234234… = 234 999x = 234 So x = 234/999 Simplify it down. for example x = 26/11  recurring bit doesn’t come directly after the decimal but its a bit harder.
               

5 0
4 years ago
If the standard deviation of a normally distributed population is 22.0 and we take a sample of size 4 then the standard error is
lawyer [7]

Answer:

The standard error is 11.

Step-by-step explanation:

Given : If the standard deviation of a normally distributed population is 22.0 and we take a sample of size 4.

To find : The standard error ?

Solution :

The standard error formula is

SE=\frac{\sigma}{\sqrt{n}}

Where, \sigma=22 is the standard deviation of a normally distributed population

n=4 is the sample size

Substitute the value,

SE=\frac{22}{\sqrt{4}}

SE=\frac{22}{2}

SE=11

Therefore, the standard error is 11.

7 0
3 years ago
HELP! WILL MARK BRAINLIEST IF CORRECT!
mariarad [96]
I think it’s 25???? i tried haha
8 0
3 years ago
A waste management survey collected data about the types of materials that were recycled by three different states in
Lelechka [254]

As a percentage, the relative frequency of plastics recycling in New Mexico in 2008 compared to plastics recycled in all three states combined is approximately <u>11%</u>.

<h3>What is relative frequency?</h3>

A relative frequency measures the proportion of events that occur within a class out of the total number of observations.

When using relative frequency, the results are usually displayed in percentages, proportions, and fractions.

<h3>Data and Calculations:</h3>

Year    State                   Recycled Plastics                 Relative

                                       (thousands of tons)            Frequency

2008  New Mexico                   500                        0.111  (500/4,500)

2008  New York                     1,500                        0.333 (1,500/4,500)

2008  Texas                          2,500                        0.566 (2,500/4,500)

Total                                       4,500                        1

Thus, the relative frequency of plastics recycling in New Mexico in 2008 compared to plastics recycled in all three states combined is approximately <u>11%</u>.

Learn more about relative frequency at brainly.com/question/3857836

#SPJ1

6 0
2 years ago
Question 16 add both numbers at end <br> Show work because I don't get it thank you
alekssr [168]
Ok, so yo know what a net is? (not like fishing) like when you unfold the shape

ok so

the left side box surface area is
SA=2(LW+LH+WH)
SA=2(35*12.5+35*32.5+12.5*32.5)
SA=2(437.5+1137.5+406.25)
SA=2(1981.25)
SA=3962.5 cm^2

the right shape (triangular psism)
has 2 triangles and 3 rectangles
SA=2(1/2bh)+2(slantheight times side)+bh
SA=(23 times 20.5)+2(23.5 times 12.5)+(23 times 12.5)
SA=471.5+2(293.75)+287.5
SA=759+595.5
SA=1346.5

box=3962.5 cm^2
trianglar ting=1346.5 cm^2
how much more
box-triangle=3962.5-1346.5=2616 cm^2 more
5 0
3 years ago
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