


A medical researcher need to select 6 people out of 13 people who have volunteered for the test in
To find, how many ways can 6 people be selected.
=
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Answer:
2/10 and 6/30 and 8/40
Step-by-step explanation:
2/10 reduces to 1/5
6/30 reduces to 1/5
8/40 reduces to 1/5
Step-by-step explanation:
the answer is number a 88 CM square
Answer:
Step-by-step explanation:
Hope this will help you and i showed my works
For this case, the first thing we must do is define variables.
We have then:
d: number of dimes
q: number of quarters
We now write the system of equations that models the problem.
We have then:
He has a total of 30 coins:

The toal value of Kyles coins is $ 4.80:

Answer:
A system of equations that can be used to find the number of dimes, d, and the number of quarters, q, kyes has is:

