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madreJ [45]
3 years ago
5

Find the value of xFind the value of xFind the value of x

Mathematics
1 answer:
Natali [406]3 years ago
3 0

Answer:

x = 11

Step-by-step explanation:

\frac{x + 2}{6}   -  \bigg( \frac{11 -x }{3}  -  \frac{1}{4}  \bigg) =  \frac{3x - 4}{12}  \\  \\ \frac{2(x + 2)}{2 \times 6}   -  \bigg( \frac{4(11 - x) - 1 \times 3}{3 \times 4}  \bigg) =  \frac{3x - 4}{12}  \\  \\ \frac{2x + 4}{12}   -  \bigg( \frac{4 4 - 4x- 3}{12}  \bigg) =  \frac{3x - 4}{12}  \\  \\ \frac{2x + 4}{12}   -  \bigg( \frac{41 - 4x}{12}  \bigg) =  \frac{3x - 4}{12}  \\  \\ \frac{2x + 4 - 41 + 4x}{ \cancel{12}}  =  \frac{3x - 4}{ \cancel{12}}  \\  \\ 6x - 37 = 3x - 4 \\  \\ 6x - 3x = 37 - 4 \\  \\ 3x = 33 \\  \\ x =  \frac{33}{3}  \\  \\ \huge \red{ \boxed{ x = 11}}

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insens350 [35]

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The price of a computer component is decreasing at a rate of 15​% per year. State whether this decrease is linear or exponential
Margaret [11]

Answer:

Since the price is given by an exponential function, the decline in price is exponential.

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Step-by-step explanation:

The equation for the price of a component has the following format:

P(t) = P(0)(1-r)^{t}

In which P(t) is the price after t years, P(0) is the initial price, and r is the rate that the price decreases.

Since the price is given by an exponential function, the decline in price is exponential.

The price of a computer component is decreasing at a rate of 15​% per year.

This means that r = 0.15

Component costs ​$60 ​today

So P(0) = 60. Then

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P(t) = 60(1-0.15)^{t}

P(t) = 60(0.85)^{t}

What will it cost in three​ years?

This is P(3).

P(t) = 60(0.85)^{t}

P(3) = 60(0.85)^{3} = 36.8475

The component will cost $36.8475 in three years.

6 0
3 years ago
If a rectangle has a base of 6 units, and a height of 8 units, what is its area?
Morgarella [4.7K]

Answer:

a=48 units^2

Step-by-step explanation:

The area of a rectangle can be found using:

a=bh

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Area uses units squared, so,

a=48 units^2

4 0
4 years ago
Read 2 more answers
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