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2 years ago

What is x in 6x - 4 = 8 ( 2 +1/4 x)

Mathematics

2 answers:

Alina [70]2 years ago

6 0

Answer:

x = 5

Step-by-step explanation:

6x - 4 = 8( 2 + 1/4x) Distribute

6x - 4 = 16 + 2x

-6x -6x Subtract

-4 = 16 - 4x

-16 -16 Subtract

-20 = -4x Divide

x = 5 Answer

defon2 years ago

4 0

Answer:

Step-by-step explanation:

move the terms 6x-4=16+2x

collect like terms 6x-2x=16+4

divide both sides 4x=20

x=5

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19. Which is the suitable identity used to evaluate 9992 ?

andrew11 [14]

Answer:

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yawa3891 [41]

Answer:

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Step-by-step explanation:

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2 years ago

21. Brian wants to purchase a piece of fabric

ella [17]

Brian should purchase Choice C of fabric

Solution:

Given that Brian wants to purchase a piece of fabric that is between 49 and 53 inches long

So piece of fabric should be between: 49 and 53 inches

Choice A is $4\frac{3}{4}$ feet long

Let us convert feet to inches

$4\frac{3}{4} feet = \frac{4 \times 4 + 3}{4} = \frac{19}{4} feet$

Now convert to inches

We know that,

1 feet = 12 inches

$\frac{19}{4} feet = \frac{19}{4} \times 12 = 57 inches$

But this choice is greater than given condition that piece of fabric should be between: 49 and 53 inches

So this is not correct

Choice B is $4\frac{1}{2}$ feet long

$4\frac{1}{2} feet = \frac{2 \times 4 + 1}{2} = \frac{9}{2} feet$

Now convert to inches

$\frac{9}{2} feet = \frac{9}{2} \times 12 inches = 54 inches$

But this choice is greater than given condition that piece of fabric should be between: 49 and 53 inches

So this is not correct

Choice C is $4\frac{1}{3}$ feet long

$4\frac{1}{3} feet = \frac{3 \times 4 + 1}{3} = \frac{13}{3} feet$

Now convert to inches

$\frac{13}{3} feet = \frac{13}{3} \times 12 inches = 52 inches$

So this 52 inches lies between 49 and 53 inches

So Brian should purchase Choice C of fabric

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2 years ago