Are 1/2x+3/4-5/8x-7/8 and 1/8(x+1) equivalent expressions? show your work.

Mathematics

1 answer:

jolli1 [7]3 years ago

8 0

Put these questions in Mathpapa’s Simplify calculator. It will give you the answer and all of the work you need.

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Giving max points and brain thing

QveST [7]

Answer:

yes {(1, 1), (2, 2), (3, 3), (4,4)}

{no (1, 6), (9, 3), (6, 1), (3, 9)}

yes {(1,2), (3, 4), (5, 6), (1, 3}

no {(7,5), (-3, 7), (-7, 5), (-3,5)}b

I think it's correct

Step-by-step explanation:

5 0

3 years ago

What does y equal in y/-3 =1/6? PLEASE HELP WILL GOVE BRAINLIEST

kipiarov [429]

Y=-1/2

Multiply the numerator of the first fraction by the denominator of the second fraction. Set this equal to the product of the denominator of the first fraction and the numerator of the second fraction.(y)⋅(6)=(−3)⋅(1)

Simplify the left side.6y=(−3)⋅(1)6y=(-3)⋅(1)
Simplify the right side.6y=−36y=-3
Divide each term by 66 and simplify.y=-1/2

5 0

4 years ago

At Noise Pollution Cellular, plan A is $30.00 per month and $5.00 for every gigabyte of data. Plan B is $50.00 per month and $2.

Verdich [7]

We need to find an equation for each situation. Let x be the number of GB of data used.

Statement 1: At Noise Pollution Cellular, plan A is $30.00 per month and $5.00 for every gigabyte of data used.

Plan A cost equation $C(x) = 30 + 5x$

Statement 2: At Noise Pollution Cellular, Plan B is $50.00 per month and $2.00 for every gigabyte of data used.

Plan B cost equation $C(x) = 50 + 2x$

Number of GB of data for which both the plan A and plan B cost are same.

$30+5x=50+2x \\ Subtracting \; 2x \; \& \;30\; on\; both\; sides\; \\ \\30+5x-2x-30=50-30+2x-2x \\Combining \; like \; terms\\\\3x=20\\Dividing \; like \; terms\\\\ \frac{3x}{3}=\frac{20}{3} \\ \\x=6\frac{2}{3}$

When

$x=6 \\\\ Plan \; A \; Cost = 30+5(6)=30+30=\$60\\ Plan \; B \; Cost = 50+2(6)=50+12= \$72\\ \\ From \; 5\leq x\leq 6\frac{2}{3} , \; Plan \; A \; is \; Cheaper!$

When

$x = 7\\\\ Plan \; A \; Cost= 30 + 5(7) =30+35 = \$65\\\\Plan \; B \; Cost = 50 + 2(7)=50+14=\$64 \\ \\ From \; 6\frac{2}{3} \leq x \leq 8, \; Plan\; B \; is \; Cheaper !$