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larisa [96]
3 years ago
11

Type the expression that results from the following series of steps:

Mathematics
1 answer:
anyanavicka [17]3 years ago
7 0

Answer:

4 times y then a add 9

4y+9

This is your answer. If I'm right so,

Please mark me as brainliest. thanks!!!

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A box contains 7 yellow, 5 blue, and 4 red balls. Three balls are drawn at random. Find the probability that:
lesya692 [45]

Answer: 27/80

Step-by-step explanation:

Your dealing with probability this time, not multiplying chooses. So it's adding instead of multiplying.

Total balls, 16

All options: 16 choose 3,

Blue

7 choose 2 * 5 choose 1 / 16 choose 3 = option1

Red

7 choose 2 * 5 choose 1 / 16 choose 3 = option2

Add option1  + 2

8 0
3 years ago
What is the area of
Inessa05 [86]
I hope this helps you




Area=2.6


Area=12
4 0
3 years ago
Read 2 more answers
Ommy Teacher wants to analyze the weights of the students at his school. He knows the weight of the students is normally distrib
marysya [2.9K]
We first determine the z-scores for the given x-values of 64 and 96.
For x = 64: z = (64 - 80) / 8 = -2
For x = 96: z = (96 - 80) / 8 = 2
Therefore we find the probability that -2 < z < 2, which is around 0.95. Therefore, out of 100 students, approximately 100(0.95) = 95 students will weigh between 64 and 96 pounds.
7 0
3 years ago
How many ways can a person select 3 coins from a box consisting of a penny, a nickel, a dime, a quarter, a half dollar, and a on
tekilochka [14]

Answer:

A person can select 3 coins from a box containing 6 different coins in 120 different ways.

Step-by-step explanation:

Total choices = n = 6

no. of selections to be made = r = 3

The order of selection of coins matter so we will use permutation here.

Using the formula of Permutation:

                  nPr = \frac{n!}{(n-r)!}

We can find all possible ways arranging 'r' number of objects from a given 'n' number of choices.

Order of coin is important means that if we select 3 coins in these two orders:

--> nickel - dime - quarter

--> dime - quarter - nickel

They will count as two different cases.

Calculating the no. of ways 3 coins can be selected from 6 coins.

nPr = \frac{n!}{(n-r)!} = \frac{6!}{(6-3)!}

nPr = 120

6 0
3 years ago
What is one light year in seconds need it to written out in the conversion format
ra1l [238]

In one year there are 365 days of 24 hours. Each hour has 60 minutes and each minute is 60 seconds long. So, 60s/min x 60 min/hr x 24hr/day x 365 days equals 31,536,000s.


Hope this helps you with your answer. If it is incorrect, then I am sorry.

8 0
3 years ago
Read 2 more answers
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