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Dmitry_Shevchenko [17]
4 years ago
9

Solve for x for the equations y=2x-10 2Y=x-8

Mathematics
1 answer:
Thepotemich [5.8K]4 years ago
6 0
Hello,

Shall we begin?

<span>y=2x-10
2Y=x-8</span>

2y= x - 8
2( 2x-10 ) = x - 8
4x - 20 = x - 8
4x - x = -8 + 20
3x = 12
x = 12/3
x = 4


Answers: x = 4
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\large \boxed{ \boxed{ \tt{g(4) =  -  \frac{16}{3}  \longrightarrow \:  \: Improper \:  \:  Fraction \:  \:  }}} \\  \large \boxed{ \boxed{ \tt{g(4) =  - 5 \frac{1}{3}  \longrightarrow \:  \: Mixed \:  \:  Fraction \:  \:  }}}

Step-by-step explanation:

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\large{g(x) =  \frac{4x}{3x - 15} }

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\large{g(4) =  \frac{4(4)}{3(4) - 15} }

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\large{g(4) =  \frac{16}{12 - 15} } \\  \large{g(4) =  \frac{16}{ - 3} } \\  \large{g(4) =  -  \frac{16}{3} }

Therefore, the value of g(4) is - 16/3

<u>Mixed</u><u> </u><u>Fraction</u><u> </u><u>Form</u>

<u>\large{g(4) =  - 5 \frac{1}{3} }</u>

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Answer:

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Step-by-step explanation:

You start with finding  

10

%

of  

90

.

$

90

⋅

.1

=

$

9

You add the money and the interest to get  

$

99

for the first year. However, the next year is different. It's compound interest, so you have to multiply  

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%

by  

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.

$

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⋅

.1

=

$

9.90

$

99

+

$ 9.90

= $  108.90   The total would then be  $

108.90  i think lol

3 0
3 years ago
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