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natulia [17]
2 years ago
14

What is 90 by 25% decreased

Mathematics
2 answers:
viva [34]2 years ago
8 0

Answer:

- 22.5

Step-by-step explanation:

Answer:

90 decreased by 25% = 67.5

Absolute change (actual difference):

67.5 - 90 = - 22.5

r-ruslan [8.4K]2 years ago
6 0

Answer: 67.5

Step-by-step explanation:

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You buy three pairs of jeans for $35.95 each and get a fourth player for free what is your cost per jeans
masya89 [10]

3 pairs at 35.95 = 107.79 total

107.79/4 pairs you bring home

26.95 per pair

4 0
4 years ago
How many 3/4 foot pieces of string can be cut from a 6 foot piece of string?
geniusboy [140]

Answer:

8

Step-by-step explanation:

6/1 divided by 3/4

6/1*4/3

24/3=8

7 0
3 years ago
Read 2 more answers
Which expression is equivalent to 7(-3k)
rosijanka [135]

Answer:

-21k=7(-3k)................………………

8 0
3 years ago
2. Lab groups of three are to be randomly formed (without replacement) from a class that contains five engineers and four non-en
Anna11 [10]

Answer:

The number of different lab groups possible is 84.

Step-by-step explanation:

<u>Given</u>:

A class consists of 5 engineers and 4 non-engineers.

A lab groups of 3 are to be formed of these 9 students.

The problem can be solved using combinations.

Combinations is the number of ways to select <em>k</em> items from a group of <em>n</em> items without replacement. The order of the arrangement does not matter in combinations.

The combination of <em>k</em> items from <em>n</em> items is: {n\choose k}=\frac{n!}{k!(n-k)!}

Compute the number of different lab groups possible as follows:

The number of ways of selecting 3 students from 9 is = {n\choose k}={9\choose 3}

                                                                                         =\frac{9!}{3!(9 - 3)!}\\=\frac{9!}{3!\times 6!}\\=\frac{362880}{6\times720}\\ =84

Thus, the number of different lab groups possible is 84.

8 0
3 years ago
What is 0 - 9 equal <br>​
-Dominant- [34]

Answer:

no

0-9 is nine

coz zero have no value to subtaract 9 from zero

5 0
2 years ago
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