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aev [14]
3 years ago
13

Solve 3x-2=1/2 - x/3

Mathematics
1 answer:
vazorg [7]3 years ago
3 0
3x-2=0.5-x/4, 3x-2-0.5= -x/3, 3x-2.5=-x/3, -3(3x-2.5)=-3(-x/3), -9x+7.5=x, x+9x=7.5, 10x=7.5, x=7.5/10, x=0.75

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iVinArrow [24]

Answer:

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Step-by-step explanation:

6 0
4 years ago
What is the solution to the system of equations? y = –3x – 2 5x + 2y = 15 (–40, 19) (–19, 55) (19, –40) (55, –19)
kobusy [5.1K]

Step-by-step Answer:

What is the solution to the system of equations?

y = –3x – 2 ..............(1)

5x + 2y = 15..............(2)

Substitute (1) in (2) to give

5x + 2(-3x-2) = 15

5x-6x-4 = 15

-x-4=15

solve for x:

-4-15 = x

x=-19

Now substitute x=-19 into equation (1)

y = -3x-2 = 57-2 = 55

Therefore the solution is (-19, 55)

5 0
3 years ago
A cyclist estimates that he will bike 80 miles this week. He actually bikes 75.5 miles. What is the percent error of the cyclist
vazorg [7]

Answer:

6%

Step-by-step explanation:

Estimated distance = 80 miles

Actual distance covered = 75.5 miles

We need to find the percent error of the cyclist's estimate. Its formula is given by :

\%=\dfrac{|\text{actual value-estimated value}|}{\text{actual value}}\times 100

Put all the values,

\%=\dfrac{80-75.5}{75.5}\times 100\\\\=5.96\%

or

= 6%

So, the percentage error is 6%.

4 0
3 years ago
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Esto meda la respuesta

5 0
4 years ago
35% of the total length of the screen at the IMAX is 51.8 feet. What is the total length of the screen?
Debora [2.8K]
\frac{35}{100} = \frac{51.8}{x} 


Cross multiply

35x=5180


divide 35 from each side

x=148

The total length is 148 feet. 
8 0
3 years ago
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