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3 years ago

Solve for x: 2/3+1/3x=2x

Mathematics

2 answers:

zzz [600]3 years ago

8 0

Answer:

$\frac{2}{5}$ or 0.4.

Step-by-step explanation:

$\frac{2}{3}$ + $\frac{1x}{3}$ =2x

$\frac{2}{3}$ =2x- $\frac{1x}{3}$

$\frac{2}{3}$ = $\frac{6x-x}{3}$

$\frac{2}{3}$ = $\frac{5x}{3}$

x= $\frac{2}{5}$

x=0.4

velikii [3]3 years ago

7 0

Answer:

x=2/5 or

x=0.4

Step-by-step explanation:

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2 years ago

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Solve please<br> A. 1/6m-3=-5<br> B. 2/3x-3=1/2x-7<br> C. x+x/2-4=x/4

AysviL [449]

Answer:

A m = 48

B x = -24

C x = 16

Step-by-step explanation:

A. 1/6m - 3 = 5

1/6m = 5+3

1/6m = 8

multiply both side by 6

m = 8×6

m = 48

B. 2/3x-3 = 1/2 x-7

2/3 x - 1/2 x = -7 +3

1/6 x = -4

multiply 6 to the both side

x = -4×6

x= -24

C.x+x/2-4= x/4

x+x/2 - x/4 = 4

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4 0

2 years ago

The current population of a small town is 2463 people. It is believed that town's population is tripling every 12 years. Approxi

Bingel [31]

{Answer:

3893 residents.

Step-by-step explanation:

Equation for population growth:

The equation for the size of a population, considering that it doubles every n years, is given by:

$A(t) = A(0)(3)^{(\frac{t}{n})}$

In which A(0) is the initial population.

The current population of a small town is 2463 people. It is believed that town's population is tripling every 12 years.

This means that $A(0) = 2463, n = 12$ . So

$A(t) = A(0)(3)^{(\frac{t}{n})}$

$A(t) = 2463(3)^{(\frac{t}{12})}$

Approximate the population of the town 5 years from now.

This is A(5). So

$A(t) = 2463(3)^{(\frac{t}{12})}$

$A(5) = 2463(3)^{(\frac{5}{12})} = 3892.8$

Rounding to the nearest whole number, 3893 residents.

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2 years ago