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3 years ago

8

Solve for x x-3/4=x/10

1 answer:

BARSIC [14]3 years ago

3 0

Given <span>x-3/4=x/10 find the LCD. It is 20, as both 4 and 10 divide evenly into 20.

Then you have 20x - 15 = 2x, or 18x = 15, or x = 15/18, or x =5/6 (answer).</span>

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Anyone know how to solve this??

Tom [10]

$Given : \frac{(x^\frac{2}{5})^9\;.\;(x^\frac{-4}{15})}{x^\frac{1}{3}}$

$\implies {(x^\frac{18}{5})\;.\; (x^\frac{-4}{15})}\;.\;(x^\frac{-1}{3})$

$\implies x^(^\frac{18}{5} ^-^\frac{4}{15}^-^\frac{1}{3}^)$

$\implies x^(^(^\frac{54 - 4}{15}^)^-^\frac{1}{3}^) = x^(^(^\frac{50}{15}^)^-^\frac{1}{3}^) = x^(^(^\frac{10}{3}^)^-^\frac{1}{3}^) = x^(^\frac{9}{3}^) = x^3$

$\implies x^k = x^3$

$\implies k = 3$

7 0

3 years ago

Isla flipped a coin 30 times. The coin landed heads up 9 times and tails up 21 times.

DedPeter [7]

A.) Either way the probability would be 1/2 because there are only 2 sides of a coin so fate decides on which side it will land on.

B.)Same as A

8 0

3 years ago

a population of rabbits triple every month. the population starts with two rabbits. how many are there after three months?

Lera25 [3.4K]

2 x 3 = 6
6 x 3 = 18
18 x 3 = 54

The answer is 54

6 0

3 years ago

Half of j minus 5 is the sum of k and 13

hoa [83]

$\dfrac{1}{2}j-5=k+13$

5 0

3 years ago

María drinks 400 ml of water every hour. How many hours will it take her to drink 2 L of water?

JulijaS [17]

Hello,

The correct answer is 5 Liters.

2 Liters of water = 2000 Milliliters.

If she drinks 400 Milliliters per hour, then you do 2000 ÷ 400 to work out the number of hours.

2000 ÷ 400 = 5

Hope this helps!!!! :)

5 0

3 years ago