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Morgarella [4.7K]
3 years ago
10

What’s the evaluation to 5x(2) + x for x =3

Mathematics
2 answers:
Mashcka [7]3 years ago
5 0

Answer:

48

Step-by-step explanation:

5 x^2 +x

Let x = 3

5 * 3^2 +3

Exponents first

5 * 9+3

Multiply next

45+3

48

Eduardwww [97]3 years ago
4 0

Answer:

33

Step-by-step explanation:

If x=3, we have to plug it into 5x(2)+x.

1: Plug it into the equation

(5(3))(2)+3

2: Mutiply it all out

15(2)+3

30+3

<u>33</u>

<em>Hope this helped!  :)</em>

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Answer:

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Step-by-step explanation:

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2 years ago
5 1/8+5/6+5/12=6.375 what is 6.375 as a fraction? A 6 3/4. B.6 3/8. C6 3/12. D 6 3/24 please help
vovikov84 [41]
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How do we get this? Simple:
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We then move on to represent the decimal part as the fraction. 375 will be the numerator. The denominator depends on how many  decimal places we have (3 in this case, since there are 3 numbers after the period--375). Each decimal place represents a 10 (or a 0 after the 1). So we get that our denominator will be a 1000.

We get the following fraction
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Let's divide by 5 again:
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Let's divide by 5 again:
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Or we could have divide by 125 from the  get go and get the same results.

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