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Gnom [1K]
2 years ago
7

In mathematics department of a college has 9 male professors 15 female professors 13 Male teaching assistance and 10 female teac

hing assistance if a person is selected at random from a group find the probability that the selected person is a professor or male
Mathematics
1 answer:
Zinaida [17]2 years ago
4 0

Answer:

hdhdhddjxjsiaaknsnxxusnnsndjdjdusosksndbhxuchxbs

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The population in a small city increased from 1250 people to 2780 people. What is the percent of increase in the number of peopl
Zarrin [17]
<h3>Answer: Choice B) 122%</h3>

==========================================

Work Shown:

A = 1250 is the initial amount

B = 2780 is the new amount

C = percent change = unknown for now

The formula to use is

C = [ (B-A)/A ] * 100

to calculate the percent change.

Basically we calculate the change (B-A) first and then divide that over the original amount A to compute the decimal form of the answer, which is then converted over to percentage form. The "100" tacked on at the end is what converts from decimal to percent form.

---------

C = [ (B-A)/A ] * 100

C = [ (2780 - 1250)/1250 ] * 100

C = (1530/1250)*100

C = 1.224 * 100

C = 122.4%

C = 122%

---------

The positive C value indicates we have a percent increase. If C were negative, then we'd have a percent decrease.

6 0
2 years ago
Read 2 more answers
Edward has 30 sweets.
lianna [129]

Answer:

20 red sweets

Step-by-step explanation:

do two thirds of 30 and the part that cane out is the red sweets

3 0
3 years ago
Read 2 more answers
a box half full of apples weighs 40kg and the same box one fifth full weighs 22kg. what does the box weigh when empty?
likoan [24]
So in order to answer your question  we calculate 40 - 22 wich gives us the answer of 18, so now we can say that 4/5 of apples weight 18 so now 18 / 4 = 4,5; 4,5 * 5 = 22,5 wich is the weight of apples you can put in the box, to know the answer we deduct the greatest weight of apples only from the weight of the box with those apples so, 40 - 22,5 = 17,5
so the answer to your question is 17,5
i hope i helped you
6 0
3 years ago
Express six cups 25 quarts as a fraction in simplest form
Arada [10]
D because  6/20  is correct  and the three wrong super wrong hope it helps
5 0
3 years ago
Write the contrapositive of the conditional statement. Determine whether the contrapositive is true or false. If it is false, fi
scZoUnD [109]

Answer:

A

Step-by-step explanation:

6 0
3 years ago
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