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sergiy2304 [10]

3 years ago

12

In One day a movie store rented out 15 comedies. If the ratio of comedies rented to action movies rented 3:1 how many action mov

ies were rented?

1 answer:

Delicious77 [7]3 years ago

6 0

The number of action movies will be a third of the comedy movies sold and 15 divided by 3 equals 5 so 6 is your answer

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BabaBlast [244]

Attached a pic of the solution (s).

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3 years ago

X - Зу = -2<br> X - Зу = 16

Stells [14]

Answer: x - 3y = -2
x = -2 + 3y

x - 3y = 16
x = 16 + 3y

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3 years ago

The quotient of a number and 3 is 9.

solong [7]

I need help my self lol

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2 years ago

Read 2 more answers

What answer is this?

klemol [59]

Answer:

option B

$\frac{31}{50}-\frac{4}{25} i$

Step-by-step explanation:

Given in the question a complex fraction

<h3>Step1</h3>

To divide complex numbers, you must multiply by the conjugate. To find the conjugate of a complex number all you have to do is change the sign between the two terms in the denominator.

$\frac{5+4i}{6+8i}(\frac{6-8i}{6-8i})$

<h3>Step2</h3>

Distribute (or FOIL) in both the numerator and denominator to remove the parenthesis.

$\frac{30+24i-40i-32i²}{36-64i^{2} }$

<h3>Step3</h3>

Simplify the powers of i, specifically remember that i² = –1.

$\frac{62-16i}{36+64}$

<h3>Step4</h3>

$\frac{62}{100}-\frac{16i}{100}$

<h3>Step5</h3>

simply

$\frac{31}{50}-\frac{4}{25}i$

8 0

4 years ago

Suppose a subset of eight different days of the year is selected at random. What is the probability that each day is from a diff

goldfiish [28.3K]

Answer:

P = 0.05

Step-by-step explanation:

12 months * 30 days each = 360 days

From 306 days, we have to select 8 days = 360C8 ways(Total ways)

We want each days from different month. First, we have to select 8 month from 12 month = 12C8 ways

---By selecting 8 month, we will select a days from each month. That can be done in = 30C1 * 30C1 * .................30C1 (8 ways) [From a month with 30 days, we can select a day in 30C1 ways = 30 ways]

Therefore P = Number of ways of selecting each days from different month / Total number of ways

P = 12C8 * 30^8 / 360C8

P = 495 * 656100000000 / 6469697679132645

P = 0.0501985588982791

P = 0.05

Hence the probability that each day is from a different month is 0.05

6 0

3 years ago