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s344n2d4d5 [400]
3 years ago
9

Help me please I need an an answer asap

Mathematics
1 answer:
storchak [24]3 years ago
4 0
5A + 7 = 3A + 7 + 2A
We need to solve for A.

3A + 7 + 2A = 3A + 2A + 7 = 5A + 7 (We can add 3A and 2A because it's the same variable, so we add the coefficients)

5A + 7 = 3A + 7 + 2A
5A + 7 = 5A + 7

5A + 7 is always equal to 5A + 7 because it's the same equation. So the equation got infinitely many solutions.
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A complex shape with measurements 11 inches, 6 inches, 6 inches, 11 inches. What is the perimeter of the shape? 44 inches 66 inc
n200080 [17]

Answer:

A. 44 inches

Step-by-step explanation:

1] Add the numbers given 6 + 6 + 11 + 11 = 34 (because you are trying to find the perimeter)

2] Subtract 6 from 11,  11 - 6 = 5

3] do the same to the top 11 - 6 = 5

4] then add the new numbers together along with the given ones. 6 + 6 + 11 + 11 + 5 + 5 = 44

8 0
3 years ago
There is a sales tax of $6 on an item that costs $63 before tax. A second item costs $210 before tax. What is the sales tax on t
Law Incorporation [45]
The first thing you should do in this case is calculate the tax percentage.
 We then have to apply the following rule of three:
 $ 63 ----> 100%
 6 $ ------> x
 Clearing x we have:
 x = (6/63) * (100)
 x = 9.523809524%
 Therefore the taxes of the second item will be
 Tax = (9.523809524 / 100) * 210
 Tax = 20 $
 Answer:
 The sales tax on the second item is:
 Tax = 20 $
7 0
3 years ago
Which points are solutions to the linear inequality y < 0.5x + 2? Check all that apply.
marusya05 [52]
Are you given choices?
Plug in the x- and y-coordinates of the given points.
The ones that make the inequality true are solutions.
4 0
3 years ago
Read 2 more answers
PLZ PLZ PLZ HELP ME WILL MARK BRAINLIEST Drag the tiles to the correct boxes to complete the pairs. Not all tiles will be used.
AnnZ [28]

1. (16x² + 48x) ÷ 8x

\implies \sf{\dfrac{8x(2x + 6)}{8x}}

\implies \sf{2x + 6}

2. (56x² - 14x) ÷ 7x

\implies \sf{\dfrac{7x(8x - 2)}{7x}}

\implies \sf{8x - 2}

3. (20x² - 32x) ÷ 4x

\implies \sf{\dfrac{4x(5x - 8)}{4x}}

\implies \sf{5x - 8}

4. (18x² + 15x) ÷ 3x

\implies \sf{\dfrac{3x(6x + 5)}{3x}}

\implies \sf{6x + 5}

4 0
3 years ago
It takes Matt 6 minutes to swim 12 laps in the pool. How many laps could he swim in 9 minutes?
pochemuha

Answer:

18

Step-by-step explanation:

6*2=12

9*2=18

Two laps per minute

4 0
3 years ago
Read 2 more answers
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