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stiks02 [169]
3 years ago
5

In a class of 25 students, 18 were math majors, 12 were computer science majors, and 7 were dual majors in math and computer sci

ence.
A)How many students were majoring in math only?
B)How many students were not majoring in computer science?
C) how many students were not math or computer science majors?
Mathematics
1 answer:
Ber [7]3 years ago
6 0

Answer:

Use n(u) formula of chapter sets

Step-by-step explanation:

Have a good day

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Madison saves 40% of all that she earns for washing cars. So far she has saved $72 . How much has she earned in all?
UkoKoshka [18]

Answer:

40% = 72

divide both sides by 40 to find 1%

1% = 1.8

now multiply by 100 to find total amount earned

100% = 180

total earned $180

7 0
3 years ago
The initial deposit into an account?
zhuklara [117]

Answer:

B

Step-by-step explanation:

Simple interest is based on the principal amount of a loan or deposit.

8 0
3 years ago
Which is greater: 25% of 15 or 15% of 25? Explain your reasoning using mathematical evidence or visual models.
d1i1m1o1n [39]

15% of 25 is the greatest of the two.

Answer:

25% of 15 is 3.75

15% of 25 is also 3.75

15 - 3.75 = 11.25

25 - 3.75 =21.25

Compare and then determine.

11.25 < 21.25

8 0
2 years ago
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quester [9]

Answer:

f(5)=80

Step-by-step explanation:

5^2=5*5=25

(4/5)(25)=4(5)=20

12(5)=60

20+60=80

6 0
3 years ago
Solve this 3x + 4y = 8 &amp; 4.5x + 6y=12
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Multiply the first equality by 3/2 and you get the second

There are thus an infinite number of solutions : x can be any number and y=2-3x/4
3 0
3 years ago
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