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Verdich [7]
3 years ago
12

I am really confused. Please help

Mathematics
1 answer:
xxMikexx [17]3 years ago
7 0
I don’t really know but here’s an example of another one maybe it’ll help

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Select three ratios that are equivalent to 8:5.
zalisa [80]

Answer:

A,D,E IS THE RATIOS EUQIVALENT TO8:5

3 0
3 years ago
Read 2 more answers
Three numbers are in the ratio 6:3:1, and the sum of these numbers is 420. If the first number is reduced by 50%, and the second
Naily [24]
x:y:z\ \ \ \Leftrightarrow\ \ \ 6:3:1\\ \\ \frac{x}{z} =\frac{6}{1}\ \ \ \Rightarrow\ \ \ x=6z\ \ \ \ \ \ \ and\ \ \ \ \ \ \ \frac{y}{z} =\frac{3}{1}\ \ \ \Rightarrow\ \ \ y=3z\\ \\x+y+z=420\ \ \ \Rightarrow\ \ \ 6z+3z+z=420\ \ \ \ \Rightarrow\ \ \ \ 10z=420\ /:10\\ \\z=42\ \ \ \Rightarrow\ \ \ \ x=6\cdot42=252\ \ \ \ and\ \ \ \ y=3\cdot42=126\\ \\ \\a=x-50\%x=50\%x= \frac{1}{2} \cdot252=126=3\cdot42\\ \\b=y+42=126+42=168=4\cdot42\\ \\c=420-126-168=126=3\cdot42\\ \\a:b:c\ \ \ \Leftrightarrow\ \ \ 3:4:3
7 0
3 years ago
What is 75 plus something equals 250
stepan [7]
I'll let you do the work.

First, you subtract 250 from 75, and the answer is what you have to add with 75 to add up to 250.
8 0
3 years ago
Read 2 more answers
I need help . Thanks
saul85 [17]

Answer:

ok wait babalik ako kunin love lang

4 0
3 years ago
One half of your CDs are scratched. One fifth will not play properly. You have 40 CDs. How many will not work play properly
kvasek [131]
1/2 of 40= 20

40/5=8

20+8=28

28 of your CDs will not work properly.

I hope this helps!
6 0
3 years ago
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