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sveta [45]
4 years ago
6

Two-thirds of a number is equal to 20. What is the number?

Mathematics
1 answer:
IRISSAK [1]4 years ago
4 0

Answer:

The number is 30

Step-by-step explanation:

Let x be the number

2/3 x = 20

Multiply each side by 3/2 to isolate x

3/2 *2/3x = 20*3/2

x = 30

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PLEASE HELP! IN DESPERATE NEED! Please SHOW YOUR WORK! Thx so much! :)
choli [55]
The 1st one
y=37
x=18.5
7 0
3 years ago
A bag contains six red marbles three blue marbles and five green marble the three marbles are drawn out of the bag what is the p
tia_tia [17]

Answer:

Step-by-step explanation:

Red = 6

Blue = 3

Green = 5

Total = 14

First marble = 6/14  = 3/7  You now have 5 reds and 13 total

Second Marble = 5 * 13  which brings you down to 4 red and 12 total.

Third Marble = 4/12 = 1/3

Result

P(3 Red) = 3/7 * 5/13 * 1/3     cancel the 3s

P(3 Red) = 1/7 * 5/13

P(3 Red) = 5/91

P(3 Red) = 0.0549 . Rounding to the nearest 1/100 depends on what you have been told about rounding. I would say the answer is 0.05 but your teacher may say something different.

8 0
3 years ago
What is the result of 36 divided by 9? Use the number line to find the answer. A number line going from 0 to 39. The numbers 0,
Vladimir79 [104]

Answer:

4

Step-by-step explanation:

36/9=4

7 0
3 years ago
Read 2 more answers
Kameryn types 75 words per minute and is just starting to write a term paper. Joe already has 510 words written and types at a s
NARA [144]
Answer: Kameryn will have typed more words than Joe after 34 minutes

7 0
4 years ago
3-10-(-15)<br> Show and explain work
Genrish500 [490]

Answer:

3-10-(15) equals 8.

Step-by-step explanation:

3-10 equals -7. Then -(-15) becomes a positive because two negatives make a positives producing +15 so it becomes -7+15 which finally becomes 8.

3 0
4 years ago
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