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kvasek [131]
3 years ago
15

(i) − ( + )_________________________________

Mathematics
1 answer:
mr_godi [17]3 years ago
8 0

Answer:

-5y

Step-by-step explanation:

We are to simplify the expression

5x - 5(y+x)

Open the bracket by applying the distributive law;

5x-(5(y)+5(x))

5x - (5y+5x)

5x - 5y - 5x

Collect like terms to have:

5x - 5x - 5y

0-5y

= -5y

Hence the simplified form is -5y

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5.2-(-2.1) (-4.5-.9)<br>-​
ivann1987 [24]

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-6.14

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LiRa [457]

Answer:

Books read             Points earned

7                                  5

1                                   0.71

3                                  2.14

10                                 7.14

13                                 9.28

Step-by-step explanation:

If Chloe read 7 books she would earn points = 5

Now for finding points earned for 1 book, we would divide 5 by 7

For 1 book she would earn points = 5/7 = 0.71 points

Now if 1 book is read, points earned are 5/7 or 0.71

Now, finding points earned for 3,10 and 13 books read:

For 3 books she would earn points = 5/7 * 3 = 2.14 points

For 10 books she would earn points = 5/7 * 10 = 7.14 points

For 13 books she would earn points = 5/7 * 13 = 9.28 points

So, The table would be:

Books read             Points earned

7                                  5

1                                   0.71

3                                  2.14

10                                 7.14

13                                 9.28

7 0
3 years ago
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