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3 years ago

3x-2y=2 i always get mixed up in the final answer y=1 -3/2x 0r y= 1 +-3/2x ?

Mathematics

2 answers:

cluponka [151]3 years ago

8 0

Answer:

y=3/2x-1

Reasoning:

-3x was negative initially, but dividing by -2 made it positive

marishachu [46]3 years ago

5 0

Answer:

Both answers are correct

Step-by-step explanation:

both y = 1 - 3/2x and y = 1 + -3/2x are correct answers, it is just that y= 1 - 3/2x is the simpler version. Adding a negative number is the same as subtracting a positive.

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A liquid is 45°C. The temperature needs to be reduced by 3/8 of the current value. What does the new temperature need to be?

prohojiy [21]

Answer:

28.125 degrees

Step-by-step explanation:

3/8 of 45 is 16.875

45-16.875=28.125

7 0

2 years ago

A collection of favourite english month is well define or not

hichkok12 [17]

I think it is, I have no clue.

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Red, blue, yellow, green, purple is well-defined since it is clear what is in the set.

3 0

2 years ago

Ivan has cut 19 pieces of reinforcing bar (rebar) that are each 1.14 meters long. What is the total length of the rebar used fo

madreJ [45]

Answer:

The total length of rebar used is 21.66 meters.

Step-by-step explanation:

Given:

Ivan had cut a reinforcing bar in 19 pieces and length of each bar is 1.14 meters.

Number of pieces = 19

Length of each piece = 1.14

We need to find the total length of reinforcing bar.

To calculate the total length we will multiply number of pieces with length of each piece.

Hence,

Total length of rebar = Number of pieces × Length of each piece = $19\times1.14 = 21..66 m$

Rounding to nearest hundred = 21.66 m

Hence the total length of reinforcing bar is 21.66 meters.

4 0

3 years ago

I need helppp!!! −50=10s

Nimfa-mama [501]

Hey the answer is -0.2. You have to divide 10 by both sides to isolate the variable

4 0

2 years ago

What is the solution to the equation 1/4x+2=-5/8x-5 O X=-8 O x=-7 O X= 7 O X=8

Dovator [93]

Answer:

x = -8

Step-by-step explanation:

1/4x+2=-5/8x-5

Add 5/8 x to each side

1/4x + 5/8 x+2=-5/8x + 5/8x-5

1/4x + 5/8x +2 = -5

Subtract 2 from each side

1/4x + 5/8x +2-2 = -5-2

1/4x + 5/8x = -7

Get a common denominator of 8

1/4 *2/2 x + 5/8x = -7

2/8x + 5/8x = -7

7/8x = -7

Multiply each side by 8/7

8/7 * 7/8x = -7*8/7

x = -8

5 0

3 years ago