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Aleksandr-060686 [28]
4 years ago
8

I need help my question is 4/7 divided by -13/5

Mathematics
2 answers:
notka56 [123]4 years ago
7 0

Answer:

-20/91

Step-by-step explanation:

Cloud [144]4 years ago
6 0
I remember how to divide fractions by doing keep, change, flip. “Keep” means keeping the first fraction the same. The “change” means changing the division to multiplication. Lastly the “flip” means switching the numerator and the denominator. So, you would solve 4/7 times -5/13 . Multiply the numerator and denominator. So the answer would be, -20/91
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4. Write as a fraction in simplest form: 38 minutes to 12 minutes
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Answer:

3 ⅙

Step-by-step explanation:

38 and 12’s common factor would be 2. Now the fraction is 19/6.

How many 6’s can fit into 19? 3. With a remainder of 1 we have:

3 ⅙

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Alyssa is learning to drive her parents' car.
Eduardwww [97]

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D

Step-by-step explanation:

I just did this test and D was the right answer.

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A spinner has an equal chance of landing
liq [111]

Answer:

1/15

Step-by-step explanation:

since there are 3 equal colors, they're all 1/3

since it's 5, it's 1/5

1/5 x 1/3

1/15

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2 years ago
There are 4 green marbles and 7 silver marbles in a bag. You randomly choose one of the marbles. What is the probability of choo
Aliun [14]

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3 years ago
Read 2 more answers
En la preparación de un perfume se cuenta con dos tipos de esencia base: 1600 ml de una y 1680 ml de otra. Se quiere envasarlas,
Lostsunrise [7]

Answer:

33,600 frascos

Step-by-step explanation:

Resolvemos esta pregunta utilizando el método mínimo común múltiple

Encuentre y enumere los múltiplos de 1600 y 1680 hasta encontrar el primer múltiplo común. Este es el mínimo común múltiplo.

Múltiplos de 1600:

1600, 3200, 4800, 6400, 8000, 9600, 11200, 12800, 14400, 16000, 17600, 19200, 20800, 22400, 24000, 25600, 27200, 28800, 30400, 32000, 33600, 35200, 36800

Múltiplos de 1680:

1680, 3360, 5040, 6720, 8400, 10080, 11760, 13440, 15120, 16800, 18480, 20160, 21840, 23520, 25200, 26880, 28560, 30240, 31920, 33600, 35280, 36960

Por lo tanto,

LCM (1600, 1680) = 33,600

La menor cantidad de frascos necesarios es 33,600 frascos.

4 0
3 years ago
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