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RoseWind [281]
3 years ago
13

Julie is making a triple batch of cookies from a recipe. She will divide up the cookies by giving 3/5 of a (single) batch to eac

h class she visits tomorrow. To how many classes will she be delivering cookies tomorrow
Mathematics
1 answer:
Greeley [361]3 years ago
6 0
She is going to 5 classes 3×5 = 15 and 15÷3=5
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A group of 8 friends (5 girls and 3 boys) plans to watch a movie, but they have only 5 tickets. If they randomly decide who
nalin [4]

Answer:

53.57%

Step-by-step explanation:

We have to calculate first the specific number of events that interest us, if at least 3 are girls, they mean that 2 are boys, therefore we must find the combinations of 3 girls of 5 and 2 boys of 3, and multiply that, so :

# of ways to succeed = 5C3 * 3C2 = 5! / (3! * (5-3)!) * 3! / (2! * (3-2)!)

 = 10 * 3 = 30

That is, there are 30 favorable cases, now we must calculate the total number of options, which would be the combination of 5 people from the group of 8.

# of random groups of 5 = 8C5 = 8! / (5! * (8-5)!) = 56

That is to say, in total there are 56 ways, the probability would be the quotient of these two numbers like this:

P (3 girls and 2 boys) = 30/56 = 0.5357

Which means that the probability is 53.57%

8 0
3 years ago
There are 9 computers and 72 students. what is the unit rate of students to computers?
stepan [7]
8 Is the unit rate. For 9/27
7 0
3 years ago
Graph this following function
Inessa05 [86]

Answer:

Please find attached the graph of the following function;

\left\{\begin{matrix}x - 1 & if & -2 \leq x < 0\\ 1 & if  & x = 0 \\ 3 & if & 0 < x \leq 2\end{matrix}\right.

Step-by-step explanation:

We note that the function is linear from x = 2 to just before x = 0

The linear relationship of the function f(x) with x changes just before x = 0

At x = 0, the value of f(x) is indicated as 1

From just after x = 0, the function is a straight horizontal line y = 3

The function also changes value immediately after x = 0 to the line y = 3

The areas where the function is defined are shown in continuous lines

8 0
3 years ago
The setAconsists of nine positive integers, none of which has a prime divisor larger thansix. Prove thatAis guaranteed to contai
Juli2301 [7.4K]

Answer:

Step-by-step explanation:

8 0
2 years ago
When there is no outlier is thebetter measure of center for a set of data
tester [92]

Answer:

Median

Explanation:

The median is the middle number. This answer fits best with the question asked.

The mode is the number that occurs the most. This number doesn't really have a correlation to the middle of this data.

The range is just how many numbers the data spans across. It has no relation to the middle of the data.

6 0
2 years ago
Read 2 more answers
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