3 years ago

I need help on this problem pls 13 - 2n = 7 - 3n

Mathematics

1 answer:

Mrrafil [7]3 years ago

6 0

13 - 2n = 7 - 3n
Answer: n = -6

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What is <br> 2(3x + 4) = -28

Fynjy0 [20]

Answer:

x= 10/3

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Depending on simplified form asked.

Step-by-step explanation:

6x +8 =28

subtract 8 from both sides

6x = 20

divide by 6

x=20 /6

x= 10/3 or x =3.334

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3 years ago

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Part A: What is the value of 2x if 4x + 6 = 2x – 12?

xeze [42]

Answer:

Step-by-step explanation:

A) 4x + 6 = 2x - 12

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4x + 6 - 6 = 2x - 12 -6

4x = 2x - 18

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B) 24 = 6x - 18

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Divide both sides by 6

$\frac{6(x - 3)}{6}=\frac{24}{6}\\\\$

x - 3 = 4

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3 years ago

Bob and Susie wash cars for extra money over the summer. Bob's income is determined by f(x) = 6x + 13, where x is the number of

cricket20 [7]

He would make more money with Susie than by himself because if he only works three hours and Susie make more money than him she would have more but if they work as a team they could split the money and get more together.

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3 years ago

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<img src="https://tex.z-dn.net/?f=3h%20%3D%207%28%5Cfrac%7B2%7D%7B7%7D%20-%5Cfrac%7B3%7D%7B7%7Dh%29-10" id="TexFormula1" title="

Anit [1.1K]

Your method is correct.

Now,

$\implies 3h = -4$

Divide both sides with $3$

$3h \div 3 = -4 \div 3$

$h = -1.333...$

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3 years ago

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Find the Peronist of the figure below, composed of an isoceles trapezoid and one semicircle, round to the nearest tenth place

Mamont248 [21]

Given:

Diameter of circle is 10

Find : Perimeter

Sol:.

Perimeter of semi circle

$\begin{gathered} =\pi r \\ =\pi(\frac{10}{2}) \\ =5\pi \\ =15.707 \end{gathered}$

Perimeter of shape is:

$\begin{gathered} =14+12+12+15.707 \\ =53.707 \end{gathered}$

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1 year ago