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Elenna [48]
3 years ago
15

How am I supposed to set up a problem like this: y= x-8 y= 3x

Mathematics
1 answer:
Brums [2.3K]3 years ago
5 0

Answer:

x = - 4

y = - 12

Step-by-step explanation:

x - 8 = 3x

- 8 = 3x - x

2x = - 8

x = - 4

y = 3x = 3(-4) = - 12

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The half-life of a radioactive kind of iodine is 60 days. How much will be left after 240 days, if you start with 480 grams of i
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Answer:

30 grams

Step-by-step explanation:

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6 0
2 years ago
Why does 0.25 x 0.4 have a one decimal place in the product
Dafna11 [192]
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4 0
3 years ago
Rewrite the fractions 3/4 and 5/16 as fractions with a least common denominator.
nata0808 [166]

Answer:

12/16 and 5/16

Step-by-step explanation:

We are given two fractions with denominator 4 and 16.

To find the least common denominator, of 4 and 16.

Factorise 4 and 16.

4 = 2x2  

16 = 2x2x2x2

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Hence  Least common denominator = bigger number = 16

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5/16 = 1(5)/16(1)= 5/16

Hence answer would be

12/16 and 5/16


6 0
3 years ago
Read 2 more answers
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vodomira [7]
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4 0
3 years ago
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