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3 years ago

Negative 1 and 2thirds divided by -2 1/5

Mathematics

1 answer:

Lena [83]3 years ago

7 0

Answer:

25 / 33

Step-by-step explanation:

(-1 2/3) / (-2 1/5)

(-5/3) / (-11/5)

Division is the same as the inverse of multiplication.

(-5/3) * (-5/11)

Multiply both numerators and multiply both denominators

(-5 *-5) / (3 * 11)

25 / 33

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What is the minimum number of degrees that a regular hexagon can be rotated before it carries onto itself?

-Dominant- [34]

The minimum number of degrees that a regular hexagon can be rotated before it carries onto itself is 60 degrees (D).

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2 years ago

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Please help me....<br><br><img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B22%7D%7B7%7D%20%20%20%5Cdiv%20%20%5Cfrac%7B22%7D%7B7%7D

Greeley [361]

<h3><u>Answer</u> :</h3>

$\sf \dashrightarrow \dfrac{22}{7} \div \dfrac{22}{7}$

$\sf \dashrightarrow \dfrac{22}{7} \times \dfrac{7}{22}$

$\sf \dashrightarrow \dfrac{\cancel{22}}{\cancel{7}} \times \dfrac{\cancel{7}}{\cancel{22}}$

$\sf \dashrightarrow 1 \times 1$

$\sf \dashrightarrow 1$

<h3>Hence, answer is 1.</h3>

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2 years ago

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Based on data from a statistical abstract, only about 16% of senior citizens (65 years old or older) get the flu each year. Howe

SSSSS [86.1K]

Answer: The required probability is 2.24%.

Step-by-step explanation:

Since we have given that

Percentage of people are senior citizens ( 65 years old or older ) = 14%

Percentage of people are under 65 years old = 100-14 = 86%

Probability that senior citizens get the flu each year = 16%

Probability that under 65 years old get the flu each year = 30%

So, Probability that a person selected at random from the general population is senior citizen who get the flu this season is given by

$P(S\cap F)={P(F|S)\times P(S)\\\\P(S\cap F)=0.16\times 0.14\\\\P(S\cap F)=0.0224\\\\P(S\cap F)=2.24\%$ Hence, the required probability is 2.24%.

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2 years ago

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PLZ HELP!!!

Fed [463]

4 is missing I assume. But I could be wrong

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2 years ago

David uses 1/2 cup of apple juice for every 1/4 cup of cranberry juice to make a fruit drink. Enter the number of cups of apple

mario62 [17]

Answer:

2 cups of apple juice

Step-by-step explanation:

In order to get one cup of cranberry juice, you would need to add the ratio, 1/4, four times. Since for every 1/4 cup of cranberry juice there is 1/2 cup of apple juice, add 1/2 four times

1/2 + 1/2 + 1/2 + 1/2 = 4/2 = 2 cups

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2 years ago