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murzikaleks [220]
1 year ago
13

Simplify (2/5÷3/8)÷(-3/5)

Mathematics
1 answer:
liberstina [14]1 year ago
3 0

Answer:

\pink{ - 1 \frac{7}{9} }

Step-by-step explanation:

( \frac{2}{5}  \div  \frac{3}{8} ) \div ( -  \frac{3}{5} ) \\ (\frac{2}{5}  \times  \frac{8}{3} ) \times ( -  \frac{5}{3} ) \\  \frac{16}{15}  \times  -  \frac{5}{3}  \\ -   \frac{80}{45}

As the answer can be more simplified, divide both numerator and denominator by 5.

-  \frac{16}{9}  =   - 1 \frac{7}{9}

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Answer:

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Step-by-step explanation:

6 0
3 years ago
Monyne Phillips three coins. What is the probability that the first second and third Cornwall in the same way (either all heads
nasty-shy [4]

Answer:

1 in 8 chance.

Step-by-step explanation:

When a coin flips is has two outcomes: heads or tails, obviously.

Whenever you have a 50/50 probability, in this case a coin, every time you add another coin the amount of outcomes squares, or multiplies by the number of outcomes, and since we are using a coin, two. To reiterate, say we were using a die, a die is a cube, a six sided shape, so there are six outcomes. The chances of getting all sixes with one die is 1 in 6. Add another die and try to get all sixes, the chances become 1 in 36. We got this by multiplying our out comes by our outcomes

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2 coins: 4 outcomes

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Another thing:

Don't be fooled by questions being specific by saying "all heads" or "all tails"...

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Good luck :)

8 0
3 years ago
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Answer:

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Step-by-step explanation:

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