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zhuklara [117]
3 years ago
6

A total of 525 records of a hospital were reviewed and 175 of the patients had a heart problem, 150 a respiratory problem, 125 s

ome type of trauma and 75 had other issues. Find the following.
a. P(some type of trauma)



b. P(a heart or respiratory problem)



c. P(did not have a heart problem)
Mathematics
1 answer:
Tcecarenko [31]3 years ago
7 0

Answer:

a

Step-by-step explanation:

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Evan and Ian are selling wrapping paper for a fundraiser. Evan sold twice as many rolls of wrapping paper as Ian. If Evan sold 1
swat32

Answer:

Ian sold 7 rolls of wrapping paper.

Step-by-step explanation:

Let E be the number of rolls of wrapping paper sold by Evan and I be the number of rolls of wrapping papers sold by Ian.

We have been given that Evan sold twice as many rolls of wrapping paper as Ian. We can represent this information in an equation as:

E=2I...(1)

We are also told that Evan sold 14 rolls.

We can represent this information in an equation as:

E=14...(2)

To find the number of rolls of wrapping paper sold by Ian we will equate our both equation as:

2I=14

Let us divide both sides of our equation by 2.

\frac{2I}{2}=\frac{14}{2}

I=7

Therefore, Ian sold 7 rolls of wrapping paper.

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Celia bought a bag of 12 goldfish for $3 dollars, What is the cost of 1 goldfish?
viktelen [127]

if you can get a bag of 12 goldfish for 3 dollars then for 1 dollar you could get  1/3 of 12 goldfish or 4 goldfish. 1 dollar got you 4 fish so one fish should cost 1/4 of a dollar or 25¢

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If I invest 5,000 at a rate 8.5% for 13 days? How much interest will I earn on my investment if the interest is compounded daily
bogdanovich [222]

Using the formula A = P(1 + r/n)^nt

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A = 5,000 (1 + 0.085/365)^365*13/365

A = 5015.16

You will earn $15.16


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I am operations that undo each other like multiplication and divison
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