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harkovskaia [24]
3 years ago
14

With the substitution method, explain how you find the value of the second variable once you have determined the value of one of

the variables
Mathematics
1 answer:
Luden [163]3 years ago
7 0

Once you have found the value of one of the variables(let's say x), you can substitute the value of the variable(x) into the variable(x) of one of the original equations to find the second variable.



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Divide £88 between Bill and Sam. If Sam gets
Lynna [10]
<h3>Answer:  £66</h3>

Your teacher may want you to leave off the pounds sign.

==========================================================

Explanation:

x = amount Bill gets

3x = amount Sam gets, because he gets three times as much

x+3x = 4x = total amount of money

4x = 88

x = 88/4

x = 22

Bill gets £22

3x = 3*22 = 66

Sam gets £66

Note that 22+66 = 88 to help confirm the answer.

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3 years ago
What is 3.4550 rounded to 1 decimal place? *<br><br> 3<br> 3.4<br> 3.46<br> 3.5
xenn [34]

Answer:

3.5 (D)

Step-by-step explanation:

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7 0
3 years ago
20 points!! Pls help
Studentka2010 [4]

Answer:

<h3>(-4, 1)</h3>

Step-by-step explanation:

-x-3=y, therefore x = -y-3

-3x - 8y = 4

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We get

-3·(-y-3) - 8y = 4

3y + 9 - 8y = 4

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_______________

Find the value of x

x = -y-3

x = -1-3

<h3>x = -4</h3>

_______________

Answer (x, y) =

<h3>(-4, 1)</h3>

_____________________

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Alekssandra [29.7K]

Answer:

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Step-by-step explanation:

10mm=1cm

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3 years ago
Veronica rolls a six-sided die 28 times.
Contact [7]
She should expect it to land on a even number 84 times
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3 years ago
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