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Kamila [148]
3 years ago
13

Find the common ratio of 80, 20, 5

Mathematics
1 answer:
diamong [38]3 years ago
6 0

Answer:

The common ratio of the following sequence : 80, 20, 5,... is 1/4. Common ratio = 5/20 = 20/80 = 1/4

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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4 0
3 years ago
3x + 5y = 7<br> -3x - 2y = -1
Oksanka [162]

Answer:

(-1,2) y=2 x=-1

Step-by-step explanation:

This is a system of equations and in this you see there is 3x and negative three x. To solve this you need tp get rid of one of the variables. so we can add the two equations together to get 3y=6. This means that y=2 if we divide by 3 on both sides. Then we just plug 3 in for y and we get 3x+10=7. We subtract 10 on both sides to get 2x=-3 which means x=-1.

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3 years ago
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Olegator [25]
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-Bella :)
7 0
3 years ago
Read 2 more answers
True or False, In Euclidean geometry, there is only one equilateral triangle
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5 0
3 years ago
Find the ratio of the students who study French to students who do not study French give your answer in its simplest form
Vlad1618 [11]
(2/5) of (2/3) of students = 4/15 of students study French. Then 1-(4/15) = 11/15 of students do not study French. The ratio you want is
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_____
In a math expression "of" means "times".
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