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marishachu [46]
4 years ago
10

What is x when 1/7 + x = 2/3x

Mathematics
2 answers:
bezimeni [28]4 years ago
7 0
<span><span>1/7</span>+x</span>=<span><span>2/3</span><span>x
</span></span><span>x+<span>1/7</span></span>=<span><span>2/3</span><span>x
</span></span>21x + 3 = 14x
21x       = 14x-3
21x-14x= -3
     7x    = -3
       x    = -3/7

Therefore, the value of x is -3/7
rosijanka [135]4 years ago
3 0
X-2/3x= - 1/7 is equivalent to the equation above. Then you get 1/3x= - 1/7.
So, x = - 3/7
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Answer:

10/30

Step-by-step explanation:

First, multiply the denominator by 10 to make 30.

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Therefore the answer is 10/30.

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A bracelet that regularly sells for $44 is on sale for 25% off.Find the sale price of the bracelet.
a_sh-v [17]

Answer:

$33

Step-by-step explanation:

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4 0
3 years ago
Read 2 more answers
mary has 3 blouses (red, black, and white), 2 pairs of pants (black and blue), and 4 pairs of shoes ( red, blue, black, and whit
Lera25 [3.4K]

The probability that Mary's outfit will be black blouse, black pants, black shoes is 1/24 if the Mary has 3 blouses, 2 pairs of pants, and 4 pairs of shoes.

<h3>What is probability?</h3>

It is defined as the ratio of the number of favorable outcomes to the total number of outcomes, in other words the probability is the number that shows the happening of the event.

We have:

Mary has 3 blouses (red, black, and white), 2 pairs of pants (black and blue), and 4 pairs of shoes (red, blue, black, and white).

P(black blouse) = 1/3

P(black pants) = 1/2

P(black shoes) = 1/4

Probability that Mary's outfit will be black blouse, black pants, black shoes:

= (1/3)(1/2)(1/4)

= 1/24

Thus, the probability that Mary's outfit will be black blouse, black pants, black shoes is 1/24 if the Mary has 3 blouses, 2 pairs of pants, and 4 pairs of shoes.

Learn more about the probability here:

brainly.com/question/11234923

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4 0
2 years ago
On a single roll of two number cubes, what is the probability of rolling doubles given that the sum is 6
dexar [7]

Answer:

1/6

Step-by-step explanation:

We can make a Punnett square to find number of favourable outcome

so

            cube1

         +

cube2    1          2          3        4          5         6

1            2         3           4        5          6        7      

2            3         4           5        6          7         8    

3            4          5         6        7         8         9

4           5          6          7         8         9         10

5         6           7          8         9        10         11

6           7           8          9         10        11         12

The probability of rolling doubles given that the sum is 6

<h3> favourable outcome / number of outcome</h3>

 6 / 36

  1 / 6

6 0
3 years ago
Read 2 more answers
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