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Alex787 [66]
2 years ago
12

The average time between infection with the AIDS virus and developing AIDS has been estimated to be 8 years with a standard devi

ation of about 2 years. Approximately what fraction of people develop AIDS within 4 years of infection
Mathematics
1 answer:
Dahasolnce [82]2 years ago
3 0

Answer:

1/40

Step-by-step explanation:

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A parallelogram with a base of x units and a height of y units is changed
suter [353]

Answer:

868 (third option)

Step-by-step explanation:

we know that the area of original is xy=31.

the new parallelogram will has area 4x\times 7y = 28xy=28\times 31=868

6 0
3 years ago
En la región Ica se ha instalado un
densk [106]
If only this was in english then i would be able to understand and possibly help you. right now i don’t understand spanish
6 0
3 years ago
I hope someone can help me here please don't answer nonsense!​
Wittaler [7]

Answer:

  282°

Step-by-step explanation:

The measure of long arc KLM can be found by first determining the measure of short arc KM. That arc can be found using the inscribed angle theorem.

__

<h3>value of x</h3>

The inscribed angle theorem tells you the measure of arc KM is twice the measure of the inscribed angle KLM that subtends it. This relation can be used to find the value of x, hence the measure of the arc.

  2∠KLM = arc KM

  2(5x -1) = 8x +14

  10x -2 = 8x +14 . . . . . . eliminate parentheses

  2x = 16 . . . . . . . . . . add 2-8x

  x = 8 . . . . . . . . . divide by 2

<h3>measure of arc KM</h3>

The expression for the measure of arc KM can be evaluated.

  arc KM = 8x +14 = 8(8) +14 = 78°

<h3>measure of arc KLM</h3>

The total of arcs of a circle is 360°, so the measure of long arc KLM will bring the total with arc KM to 360°:

  arc KM +arc KLM = 360°

  arc KLM = 360° -arc KM

  arc KLM = 360° -78° = 282°

The measure are long arc KLM is 282°.

7 0
2 years ago
Aaden has a points card for a movie theater.
Liula [17]

Answer:

20/2.5 =? (Answer is 8)

Step-by-step explanation:

Aaden needs 40 points.

He gets 20 at the start, just for signing up, so he needs only 20 now.

If he gets 2.5 points for each visit, after 8 days he will have been given 20 more points, allowing him to get a free movie ticket.

Brainliest please?

7 0
2 years ago
The diameter of a circle is ___________the length of its radius?
serg [7]

Answer:

Twice the length of the radius

Step-by-step explanation:

A radius by definition is half of the diameter which means the diameter is twice the radius.

8 0
3 years ago
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