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ser-zykov [4K]
3 years ago
7

What is 12 dived by 2/3​

Mathematics
2 answers:
Nutka1998 [239]3 years ago
5 0

Answer:

18

Step-by-step explanation:

You have to KCF, keep, change, flip, and you will get 18.

levacccp [35]3 years ago
5 0

Answer: 17.9 with the bar onto of the 9

Step-by-step explanation:

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mr.rogers is buying candy for his class. he'll distribute the candy equally among his 25 scholars, and he wants each scholar to
stellarik [79]

25 scholars × 3 candies = 75 candies

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Answer: 80 candies

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3 years ago
A . 5 - 4/8<br> B. -1/8 - 1/4<br> C. -1/4 - (-1/8)<br> or D. -1/6 + (-5/24)
xenn [34]

Answer:

letter ( D ).

1/6 + ( - 5 / 2 4 )

7 0
2 years ago
Please Help<br><br> 2x^-3 = ?
Nesterboy [21]
2x^-3= 2/x^3
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4 0
3 years ago
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Roberta jogs 3 laps the first day, 5 laps the second day, 7 laps the third, and so on. On which day will Roberta jog 13 laps if
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It seems that she runs two more laps each day, so:

day 1- 3

day 2- 5

day 3- 7

day 4- 9

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day 6- 13

simple patterns baby

5 0
3 years ago
Twin brothers, Billy and Bobby, kid mother grandparents lawn together for 60 minutes. Billy could mow the lawn by himself in 20
Dovator [93]

Answer:

Bobby around 131 minutes and Billy around 111 minutes

Step-by-step explanation:

To solve the problem it is important to raise equations regarding what happens.

 They tell us that Billy (Bi) and Bobby (Bo) can mow the lawn in 60 minutes. That is to say that what they prune in a minute is giving as follows:

1 / Bo + 1 / Bi = 1/60 (1)

They say Billy could mow the lawn only in 20 minutes less than it would take Bobby, therefore

1 / Bi = 1 / (Bo-20) (2)

Replacing (2) in (1) we have:

1 / Bo + 1 / (Bo-20) = 1/60

Resolving

(Bo - 20 + B0) / (Bo * (Bo-20) = 1/60

120 * Bo - 1200 = Bo ^ 2 - 20Bo

Rearranging:

Bo ^ 2 - 140Bo -1200 = 0

Now applying the general equation

Bo = 130.82 or Bo = 9.17, <em>this last value cannot be because Billy took 20 minutes less and neither can he prune faster than the two together</em>, therefore Bobby only takes around 131 minutes and Billy around 111 minutes

Checking with equation 1:

1/131 +1/111 = ~ 1/60

3 0
3 years ago
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