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4 years ago

Suppose your statistics professor reports test grades as z-scores, and you got a score of 2.20 on

1 answer:

4 0

This means that you got 2.2 standard deviations above the mean... This is certainly good, but the measure of exactly <em>how </em>good it is depends on the mean, and 1 standard deviation.

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A european business has offered to donate to the Salvation Army, but they are requiring a detailed report on expenditures. Chase

dedylja [7]

Answer:

Both processes are correct.

Step-by-step explanation:

Let the mile taken by Chase be 10miles .

He doubles it so it will be 20 and

20% of 20 will be 4

20-4 = 16km

Now Alex operations

(10/5 )*8 = 2*8= 16 km

In both cases the answer will be the same

1 mile = 1.60034 km

Now 10 miles = 16.00 34 km

which is the same as above.

Both the processes are correct.

7 0

3 years ago

Triangle DEF is the image of triangle ABC after a sequence of transformations. After you reflect ABC in the y-axis, what must yo

Artemon [7]

Answer:

Step-by-step explanation:

After reflection about y-axis, A'B'C' must be translated down 6 units to create image DEF.

ABC and DEF are congruent due to the following common properties of reflections and translations.

1. does not change the nature of geometric elements, i.e. maps a line to a line, a segment to a segment, etc.

2. preserve lenths of segments.

3. preserves angles

By the congruent theorem of SSS, the two triangles are congruent.

4 0

3 years ago

How many Perpendicular lines does an H have

Shtirlitz [24]

Answer:

it has two line

Step-by-step explanation:

7 0

3 years ago

If you are a student with no assets of any value and have liability insurance on an old car that pays a

docker41 [41]

Answer:

you pay 25, 000 from your own pocket and the insurance pays 50,000

Step-by-step explanation:

pls mark brainliest if this helped u

4 0

3 years ago

Find the length of the arc in terms of pi

fenix001 [56]

Answer:

Solution,

Radius= 12

Theta= 120

Length of arc AB:

$\frac{120}{360} \times 2\pi(12) \\ = \frac{120}{360} \times 24\pi \\ = 8\pi$

Hope this helps...

Good luck on your assignment...

5 0

4 years ago