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777dan777 [17]
3 years ago
13

4(2-6x) = -80 pls help me

Mathematics
2 answers:
Angelina_Jolie [31]3 years ago
7 0

Answer:

-3

Step-by-step explanation:

Goryan [66]3 years ago
4 0

Answer:

x = \frac{11}{3}

Step-by-step explanation:

Given

4(2 - 6x) = - 80 ( divide both sides by 4 )

2 - 6x = - 20 ( subtract 2 from both sides )

- 6x = - 22 ( divide both sides by - 6 )

x = \frac{-22}{-6} = \frac{11}{3}

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Solve the equation 2/5x-1=9. Complete each step of the solution and check your solution
Fofino [41]

Answer:

x = 25

Step-by-step explanation:

2/5x - 1 = 9

Add 1 to both sides

2/5x = 10

Multiply by 5 on both sides

2x = 50

Divide by 2 on both sides

x = 25

Check the answer:

Plug in 25 for x

2/5(25) - 1 = 9

10 - 1 = 9

9 = 9

The answer is correct.

3 0
3 years ago
The table shows the results of a survey of 400 random people on whether they like liquid soap, bar soap, or both. A 4-column tab
In-s [12.5K]

Answer: 100/400

<u>Step-by-step explanation:</u>

\begin{array}{l|c|c|c}&Liquid&Not\ Liquid&Total\\ Bar&200&100&300\\Not\ Bar&80&20&100\\Total&280&120&400\end{array}

\dfrac{Not\ Bar:Total}{Total:Total}\quad =\dfrac{100}{400}

4 0
3 years ago
How do i complete this with quadratics?
Bond [772]
I hope this helps you



log6 [x. (2x-7)]=log6 (6^2)


x. (2x-7)=36



2x^2-14x-36=0

2x +4



x -9


(2x+4)(x-9)=0


x= -2


x=9





7 0
3 years ago
What it the value of 2^(-1)
Svet_ta [14]
The value of 2^(-1) is 0.5
5 0
3 years ago
Read 2 more answers
The Jones family has 3 children.
Lubov Fominskaja [6]
Amy = x
Betty = y
Carl = z
x + y = 29
x + z = 27
y + z = 22
y = 29 - x
z = 27 - x
29 - x + 27 - x = 22
-2x + 56 = 22
-2x = - 34
x = 17
y = 12
z = 10
Oldest child is Amy (17) and youngest child is Carl (10)
17 - 10 = 7
The difference between oldest child and youngest child is 7 years.
4 0
3 years ago
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