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PIT_PIT [208]
3 years ago
8

A bag contains 3 red marbles. The ratio of red marbles to blue marbles is 3 : 7. Find the number of blue marbles in the bag.

Mathematics
2 answers:
Paraphin [41]3 years ago
5 0
3:7
3=red
7=blue
There are 7 blue marbles in a bag.
Phoenix [80]3 years ago
4 0

Answer:

7 blue marbles

Step-by-step explanation:

because 3:7 equals red:blue so blue = 7

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Simplify(1\2)^4 1\16 1\8 1\4
tino4ka555 [31]

Step-by-step explanation:

(1\2)^4 x 1\16 x 1\8 x 1\4 [1/2^4=16]

1/16 x 1/512

=>1/2048

5 0
3 years ago
Aha please help!!!!! im a bit confused lol
Stels [109]

Answer:

e : g = 2 : 7

Step-by-step explanation:

e/f = 3/7

e = 3f/7

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g = 3f/2

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3 0
2 years ago
Jean has $280 in her savings account. Starting next week, she will deposit $30 in her account every week.
Sophie [7]
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8 0
2 years ago
3. A computer is worth $4000 when it is new. After each year it is worth half what it was the previous year
MrMuchimi

Answer:

Answer is 500

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Step-by-step explanation:

First year

4,000 divided by 2,000=2,000

Second year

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Third year

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7 0
3 years ago
Read 2 more answers
Maggie's brother is 3 years younger than twice her age. The sum of their ages is 12.
Lilit [14]
I’d say 21 tbh unless the sum is half of the brothers age then it would be 9
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