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2 years ago

Solve the equation 4(x-2)=2(2x+6)

Mathematics

2 answers:

lesantik [10]2 years ago

7 0

Answer:

No solution

Step-by-step explanation:

4(x-2) = 2(2x+6)

4x-8 = 4x+12 <-- Your answer

-8 = 12

No solution

hjlf2 years ago

5 0

Answer:

$4(x - 2) = 2(2x + 6)$

open brackets [ distributive property ]

$4x - 8 = 4x + 12$

collect like terms together:

$4x - 4x = 12 + 8 \\ 0x = 20$

since no x terms:

${ \boxed{ \boxed{ \bf{ \red{no \: \: solution}}}}}$

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Marsha uses 8.5 pints of white paint and blue paint to paint her bedroom walls. 2/5

Serjik [45]

Answer:

5.1 pints

Step-by-step explanation:

Theres 2 ways

First way:

We can do 2/5 of 8.5 which is 3.4. Then, we can subtract 3.4 from 8.5 and get 5.1 pints.

Second way:

We can simply do 3/5 of 8.5 because the remaining 3/5 of the paint is blue. 3/5 of 8.5 is 5.1 pints

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6 0

1 year ago

Please help it’s timed

jeka57 [31]

Answer: The answer is 13/54

Step-by-step explanation:

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8 0

2 years ago

Can someone please help me with this?

Bad White [126]

I can’t see it sorry

7 0

2 years ago

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Jane has a pre-paid cell phone with Splint. She can't remember the exact costs, but her plan has a monthly fee and a charge for

yan [13]

Answer:

The costs of the plan are $0.15 per minute and a monthly fee of $39

Step-by-step explanation:

Let

x ----> the number of minutes used

y ----> is the total cost

step 1

Find the slope of the linear equation

The formula to calculate the slope between two points is equal to

$m=\frac{y2-y1}{x2-x1}$

we have the ordered pairs

(100,54) and (660, 138)

substitute

$m=\frac{138-54}{660-100}$

$m=\frac{84}{560}=\$0.15\ per\ minute$

step 2

Find the equation of the line in point slope form

$y-y1=m(x-x1)$

we have

$m=0.15\\point\ (100,54)$

substitute

$y-54=0.15(x-100)$

step 3

Convert to slope intercept form

Isolate the variable y

$y-54=0.15x-15\\y=0.15x-15+54\\y=0.15x+39$

therefore

The costs of the plan are $0.15 per minute and a monthly fee of $39

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2 years ago

Please help !! Simplify the following expression

puteri [66]

8x^4 + x^3 - 4x^2 +1. I believe the answer is B. Please correct me if I am wrong.

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2 years ago

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