2 years ago

Pleaseeee helpppp ):

Mathematics

1 answer:

tigry1 [53]2 years ago

3 0

Answer:

3.14159265358979323846264338327952884197169393751

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The population of a city is expected to increase by 7.5% next year. If p represents the current population, which expression rep

igor_vitrenko [27]

Answer:

1.75 p

Step-by-step explanation:

if you wouldn't mind giving me brainliest, i'm just trying to rank up.

8 0

2 years ago

Simplify: 5/4 times 22/45

Finger [1]

5/4 x 22/45

110/ 180

11/18

6 0

2 years ago

Miriam is picking out some movies to rent, and she is primarily interested in comedies and foreign films. She has narrowed down

Keith_Richards [23]

Answer:

There are 795 combinations.

Step-by-step explanation:

The number of ways or combinations in which we can select k element from a group of n elements is given by:

$nCk=\frac{n!}{k!(n-k)!}$

So, if Miriam want to choose 3 movies with at least two comedies, she have two options: Choose 2 comedies and 1 foreign film or choose 3 comedies.

Then, the number of combinations for every case are:

1. Choose 2 Comedies from the 10 and choose 1 foreign film from 15. This is calculated as:

$10C2*15C1=\frac{10!}{2!(10-8)!}*\frac{15}{1!(15-14)!}$

$10C2*15C1=675$

2. Choose 3 Comedies from the 10. This is calculated as:

$10C3=\frac{10!}{3!(10-3)!}=120$

Therefore, there are 795 combinations and it is calculated as:

675 + 120 = 795

8 0

3 years ago

8. A salesman bought a computer from a manufacturer. The salesman the sold the computer

PolarNik [594]

Answer:

117,000

Step-by-step explanation:

156000÷100x25

=39000

Then

156000-39000

=$117,000

8 0

3 years ago

By 8:00 a.m., the snack bar had made $3,256 in sales. By noon, the snack bar’s total sales were $8,821. On average, how much mon

dimulka [17.4K]

8821 - 3256 = 5565....amount made between 8 a.m. and noon
8 a.m. to 12: a.m. = 4 hrs

5565 / 4 = 1391.25 <=== what they took in each hr between 8 and noon

3 0

2 years ago

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