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sveticcg [70]
3 years ago
10

Rachel use a rectangular prism-shaped box to ship a package to her friend. What two-demintional figure form the faces on the box

Mathematics
1 answer:
lesya [120]3 years ago
4 0
The two-dimensional figures would be;

Rectangles and Triangles

Rectangles would be front, back and bottom

Triangles would be the 2 right and left sides. 
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Joshua is seven years older than Jason. In seven years from now, the sum of their ages will be 25. What is the sum of their ages
amid [387]
The answer is j. 18 plus 7 is 25
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3 years ago
17. When a single set of values is randomly divided into two equal groups, explain how the means of these two groups may be very
joja [24]

If you take 2 groups of equal cardinality, it could happen that, for example, many of the higher values go to the first group and therefore, many of the low values go to the second group, making their respective means quite different and different from the original sample mean. This could even go worse due to the possible existence of outliers, that is, values that are far different than the sample mean. An outlier tend to disrup the mean of a sample, but for smaller samples the result is much dramatic.

For example, let X be {1,2,3,4,5,6,7,8,9,100}

The elements of X sum 145, hence the mean of X is 14,5. Let divide X in two groups

Y = {1,2,3,5,9}

Z = {4,6,7,8,100}

The elements of Y sum 20, so its mean is 4

The elements of Z sum 125, so its mean is 25

Both means are quite different from each other and quite different from the mean of X. Note that if we take the mean of the means the result is 4+25/2 = 14,5 which is equal to the mean of X.

7 0
3 years ago
Solve 5/7x=-25<br> The solution is x= ?
Bad White [126]
The answer To this is x=-35
4 0
3 years ago
Plz answer asap!!!!!!!!!!!!!!!!!!!!!!
user100 [1]

Answer:

It can be represented by the expression 2r, or “two times the radius.” So if you know a circle's radius, you can multiply it by 2 to find the diameter; this also means that if you know a circle's diameter, you can divide by 2 to find the radius. Find the diameter of the circle.

Step-by-step explanation:

you'r welcome :)

6 0
2 years ago
How do you find the perimeter on a coordinate plane
hoa [83]

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Step-by-step explanation:

4 0
1 year ago
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