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GaryK [48]
3 years ago
12

Write a division expression that is equivalent to 8/10 x (-3/4)?

Mathematics
2 answers:
Nutka1998 [239]3 years ago
8 0
Division of one fraction by another is the same as multiplication by that fraction's reciprocal. That idea can be played back in reverse for this problem, and we can rewrite the expression

\frac{8}{10}\times(- \frac{3}{4})

in terms of <em>division </em>by reciprocal of - \frac{3}{4}, - \frac{4}{3}, giving us

\frac{8}{10} \div\big(- \frac{4}{3} \big)

or, reducing \frac{8}{10},

\frac{4}{5}\div\big(- \frac{4}{3} \big)
kompoz [17]3 years ago
7 0
So multiplying by a fraction a/b is the same as dividing by the fraction b/a (it's just the original fraction flipped upside down)

so 8/10  *  -3/4 is the same as   8/10   /    4/-3
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Schach [20]
1/6 would be the fraction of 1/2+1/3= 1/6!
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2 years ago
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II'll mark brainliest who is the first to answer both questions correctly.
Strike441 [17]

Answer:

A) The probability that each player gets an ace, a 2 and a 3 with the order unimportant = (72/1925) = 0.0374

B) The probability of winning the jackpot = (1/1200) = 0.0008333

Step-by-step explanation:

A) There are four Aces, four 2's, and four 3's, forming a set of 12 cards

These cards are to be divided at random between 4 players.

What is the probability that each player gets an ace, a 2 and a 3.

We start with the first player, the probability of these cards for the first player, with order not important (because order isn't important, there are 6 different arrangement of the 3 cards)

6 × (4/12) × (4/11) × (4/10) = (16/55)

Then the second player getting that same order of cards

6 × (3/9) × (3/8) × (3/7) = (9/28)

Third player

6 × (2/6) × (2/5) × (2/4) = (2/5)

Fourth player

6 × (1/3) × (1/2) × (1/1) = 1

Probability that each of the players get different cards is then a multiple of the probabilities obtained above

= (16/55) × (9/28) × (2/5) × 1

= (288/7700) = (72/1925) = 0.0374

B) The concluding part of the B question.

To win the jackpot, the numbers on your ticket must match the three white balls and the SuperBall. (You don't need to match the white balls in order). If you buy a ticket, what is your probability of winning the jackpot?

Probability of wimning the jackpot is a product the probability of getting the 3 white balls correctly (order unimportant) and the probability of picking the right red superball

Probability of picking 3 white balls from 10

First slot, any of the 3 lucky numbers can fill this slot, (3/10)

Second slot, only 2 remaining lucky numbers can fill this slot, (2/9)

Third slot, only 1 remaining lucky number can fill this slot, (1/8)

(3/10) × (2/9) × (1/8) = (1/120)

Probability of picking the right red superball

(1/10)

Probability of winning the jackpot = (1/120) × (1/10) = (1/120) × (1/10) = (1/1200) = 0.0008333

Hope this Helps!!!

5 0
3 years ago
5000/210= with the remainder as a fraction
Softa [21]
The answer is 23 4/5
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3 years ago
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I’m confused need help please
IrinaK [193]

Answer: The answer is 8

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abruzzese [7]

Answer:

1:4 or 1/4

Step-by-step explanation:

9 cm : 36 cm

They both can be divided by 9 so,

9 ÷ 9 : 36 ÷ 9

= 1 : 4

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2 years ago
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