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mylen [45]
3 years ago
7

What is 9 + 2x = -x + 3

Mathematics
1 answer:
Sidana [21]3 years ago
3 0

Answer:

x=-2

Step-by-step explanation:

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The answer is the last one

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Read 2 more answers
A company manufactures both mountain bikes and trail bikes. The cost of materials for a mountain bike is $40, and the cost of ma
Keith_Richards [23]

An equation is formed when two equal expressions. The company is planning to produce 25 mountain bikes and 15 trail bikes.

<h3>What is an equation?</h3>

An equation is formed when two equal expressions are equated together with the help of an equal sign '='.

Let the number of mountain bikes produced by the company be x, while the number of trail bikes produced by the company is y.

The cost of materials for a mountain bike is $40, and the cost of materials for a trail bike is $40. Also, the budget of the company is $1,600. Therefore,

1600 = 40x + 40y

x + y = 40

y = 40-x

The cost of labour to manufacture a mountain bike is $90, and the cost of labour to manufacture a trail bike is $30. Also, the budget for labour is $2,700.

2700 = 90x + 30y

2700 = 90x + 30(40-x)

2700 = 90x + 1200 - 30x

1500 = 60x

x = 25

Substitute the value of x,

y = 40 - x

y = 15

Hence, the company is planning to produce 25 mountain bikes and 15 trail bikes.


Learn more about Equation:

brainly.com/question/2263981

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6 0
2 years ago
What is the dimensions for a square that has an area of 30 and a perimeter of 34
Alla [95]

A 4-sided thing with area of 30 and perimeter of 34
has these dimensions:

          <em> Length  =  15</em>
<em>            Width  =  2</em>

That's no square.


4 0
3 years ago
Brad invests $3700 in an account paying 3% compounded monthly. How much is in the account after 8 months?
Ymorist [56]

Answer:

Amount after 8 month (A) = $3775 (Approx)

Step-by-step explanation:

Given:

Amount invested (P) = $3,700

Rate of interest (r) = 3% = 0.03 / 12 = 0.0025 monthly

Number of month (n) = 8 month

Find:

Amount after 8 month (A)

Computation:

A=P(1+r)^n\\\\ A=3700(1+0.0025)^8\\\\A=3700(1.02017588)\\\\ A = 3774.650676

Amount after 8 month (A) = $3775 (Approx)

5 0
3 years ago
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