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IrinaVladis [17]
3 years ago
9

Please help

Mathematics
1 answer:
notka56 [123]3 years ago
6 0

5x+2=5x+5

For Bruce, 5 represents the number of boxes, and the 2 represents the number of tiles he used from the box.

For Felicia, 5 represents the 5 boxes she used, and the other 5 is used for the tiles she bought on her own.

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What is the value of f(-4)
WITCHER [35]

Answer:

7

Step-by-step explanation:

Substitute x = -4 :

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= 3 + 4

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4 0
3 years ago
What fraction of 20 is 18?
Vera_Pavlovna [14]

Remark

You have to read this carefully to know what way to write it.

One way you could write it would be

20 * x = 18 where x is  the fraction. Now all you need do is divide.

Divide both sides by 20

20/20 * x = 18/20

\text{x = } \dfrac{18}{20}

But you should reduce this fraction. The way to do that is to factor 18 and 20 into primes.

18: 2 * 3 * 3

20: 2 * 2 *5

Cancel out the Highest common factor or 2.

You are left with

\text{x = } \dfrac{18}{20} =\dfrac{2*3*3}{2*2*5}=\dfrac{3*3}{2*5} = \dfrac{9}{10} <<<< Answer

4 0
3 years ago
Read 2 more answers
Mary buys a reel of thread for sewing. There are 10 m of thread on the real. She uses 210 cm. How much is left on the reel in ce
babunello [35]

Answer:

the length of the thread remaining is 790 cm

Step-by-step explanation:

Given;

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brilliants [131]
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