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sertanlavr [38]
3 years ago
9

A rectangle has an area of 644 square miles and a height of 28 miles. What is the length of the base?

Mathematics
1 answer:
patriot [66]3 years ago
3 0
The photo is blurry but the answer is 23

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A football team lost 5 yards on each of 3 plays. Explain how you could use a number line to find the team's change in field posi
taurus [48]

Answer:

Step-by-step explanation:

5- 10- 15-

3 0
3 years ago
Is 1/4 and 3/8 proportional
Sunny_sXe [5.5K]

Answer:

no it's not because is not

8 0
2 years ago
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Suppose 10000 people are given a medical test for a disease. About1% of all people have this condition. The test results have a
Alina [70]

Answer:

The percent of the people who tested positive actually have the disease is 38.64%.

Step-by-step explanation:

Denote the events as follows:

<em>X</em> = a person has the disease

<em>P</em> = the test result is positive

<em>N</em> = the test result is negative

Given:

P(X)=0.01\\P(P|X^{c})=0.15\\P(N|X)=0.10

Compute the value of P (P|X) as follows:

P(P|X)=1-P(P|X^{c})=1-0.15=0.85

Compute the probability of a positive test result as follows:

P(P)=P(P|X)P(X)+P(P|X^{c})P(X^{c})\\=(0.85\times0.10)+(0.15\times0.90)\\=0.22

Compute the probability of a person having the disease given that he/she was tested positive as follows:

P(X|P)=\frac{P(P|X)P(X)}{P(P)}=\frac{0.85\times0.10}{0.22} =0.3864

The percentage of people having the disease given that he/she was tested positive is, 0.3864 × 100 = 38.64%.

3 0
3 years ago
Diego pours 8 ounces of water from a full bottle of 36 ounces. What is the percent of decrease of water in the bottle?
Natali5045456 [20]

Answer:

The answer is 22%.

Step-by-step explanation:

All you need to do to figure this out is to divide 36 by 8.

8/36=.222222

Hope this helps!

4 0
3 years ago
For the concentric circles shown, the radius of the inner circle is 3 centimeters and the distance from the
Tema [17]

Answer:

d

Step-by-step explanation:

Area of the inner circle = 3^2 π = 9 π

total area = 10^2 π = 100π

area of the shaded region

100π - 9 π = 91 π

5 0
2 years ago
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