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2 years ago

9 + x - 3 = 4x - 3 Find x, please explain asap

Mathematics

1 answer:

Vesnalui [34]2 years ago

5 0

Answer:

x = 3

Explanation:

To simplify this equation, don't worry about the -3, since there is one on both sides. Therefore, they cancel out.

So, 9 + x = 4x

When you plug 3 in for x, it becomes:

9 + 3 = 4 x 3

12 = 12

This equation is true, therefore, x is your answer!

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Mahesh charges $21.50 a month for cutting his neighbor's lawn. How much money will he make in a year? A. $258.00 B. $215.00 C. $

Diano4ka-milaya [45]

Answer:

A. $258.00

Step-by-step explanation:

There are 12 months in a year so you will simply have to multiply $21.50 by 12

21.50 x 12

258

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3 years ago

If \triangle ABC△ABC is equilateral, solve for x. x=

Gwar [14]

Answer:

x = 13

Step-by-step explanation:

The tirangle ABC is given as equilateral. Every angle is therefore =. Not only that, each angle is 60 degrees.

If you need proof of that, remember that x + x + x = 180. Every triangle has 180 degrees.

if 3x = 180 then 1 x is 60

8x - 44 = 60 Add 44 to both sides.

8x = 60 + 44

8x = 104 Divide by 8

x = 104/8

x = 13

6 0

2 years ago

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Polynomials are written with the exponents of the terms in ___ order

exis [7]

Answer:

numeric maybe?

7 0

2 years ago

Mrs. Ishimitsu is installing a rubber bumper around the edge of her coffee table. The dimensions of the rectangular table are (2

ollegr [7]

Answer:

$2x^2+8x-30$ represents the total perimeter of the table, and if x = 3 the lentgh of entire rubber bumper is 12 feet.

Step-by-step explanation:

Perimeter is defined as the sum of sides.

For a rectangle having dimension length 'L' and breadth 'B' Since, rectangle has two sides equal.

Perimeter of rectangle = 2 ( length + breadth )

Here, given rectangle has dimension

Length = $2x^2-16$ and breadth = $-x^2+4x+1$

Thus, perimeter of rectangle = $2(2x^2-16+(-x^2+4x+1))$

$=2(2x^2-16-x^2+4x+1)$

$=2(x^2+4x-15)$

$=2x^2+8x-30$

Thus, perimeter of rectangle is $2x^2+8x-30$ ........(1)

Perimeter of rectangle , when x = 3,

Put x= 3 in (1) ,

$2x^2+8x-30\Rightarrow 2(3)^2+8(3)-30 \Rightarrow 18+24-30=12$

Thus, $2x^2+8x-30$ represents the total perimeter of the table, and if x = 3 the lentgh of entire rubber bumper is 12 feet.

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3 years ago

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What is the slope of (2,4) and (0,0)

cricket20 [7]

Answer:

slope = 2

Step-by-step explanation:

slope = (y2-y1)/(x2-x1)

= (0-4)/(0-2)

= -4/-2

= 2

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3 years ago

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