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Monica [59]
3 years ago
11

5x-3 =2x+15 Someone pls help for geometry

Mathematics
1 answer:
inysia [295]3 years ago
5 0

Answer:

x = 6

Step-by-step explanation:

5x-3 = 2x+15

<h3>i) move 2x to the left-hand side and change its sign</h3>

5x-2x-3 = 15

<h3>ii) move -3 to the right-hand side and change its sign</h3>

5x-2x = 15+3

<h3>iii) collect like terms</h3>

3x = 15+3

<h3>iv) add the numbers</h3>

3x = 18

<h3>v) divide both sides of the equation by 3</h3>

\frac{3x}{3}  =  \frac{18}{ 3}

x = 6

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The width of a rectangle is increasing at a rate of 5 inches per second and its length is increasing at the rate of 9 inches per
Marianna [84]

Answer:

The area of rectangle is changing at the rate of 33 square inches per second.        

Step-by-step explanation:

We are given the following information:

Let W be the width of the rectangle and L be the length of rectangle.

Rate of change of width = \frac{dW}{dt} = 5\text{ inches per second}

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3 years ago
A data set contains three points, and two of the residuals are -10 and -20. What is the third residual?
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The residuals of any data set should get added to zero. If there are three residuals (say A, B, and C) in any data set, then it could be written as A + B + C = 0.

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Answer: Hello your question is quite vague but i will provide a general answer within the scope of your company

answer : D = Y + Z  

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