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hjlf
3 years ago
10

Sierra's karate class lasts 56 day. how many weeks does the class last?​

Mathematics
2 answers:
pantera1 [17]3 years ago
6 0
A week is equal to 7 days, so you have to divide 56 by 7. Sierra’s karate class lasts 8 weeks.
UkoKoshka [18]3 years ago
5 0

Answer: 8 Weeks

Step-by-step explanation:

One week is 7 days so if you divide 56 by 7 you get 8

56/7=8

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How many possible committees of 4 people can be chosen from 15 men and 20 women so that at least two women should be on each com
Mnenie [13.5K]

<span>If there has to be 2 men and 2 women, we know that we must take a group of 2 men out of the group of 15 men and a group of 2 women out of the group of 20 women. Therefore, we have:

(15 choose 2) x (20 choose 2)


(15 choose 2) = 105

(20 choose 2) = 190

190*105 = 19950

Therefore, there are 19950 ways to have a group of 4 with 2 men and 2women.</span>

 

<span>If there has to be 1 man and 3 women, we know that we must take a group of 1 man out of the group of 15 men and a group of 3 women out of the group of 20 women. Therefore, we have:

(15 choose 1) x (20 choose 3)


(15 choose 1) = 15

(20 choose 3) = 1140

15*1140 = 17100

Therefore, there are 17100 ways to have a group of 4 with 3 women and 1 man.</span>

 

<span>We now find the total outcomes of having a group with 4 women.

We know this is the same as saying (20 choose 4) = 4845</span>

Therefore, there are 4845 ways to have a group of 4 with 4 women.

 

We now add the outcomes of 2 women, 3 women, and 4 women and get the total ways that a committee can have at least 2 women.

 

19950 + 17100 + 4845 = 41895 ways that there will be at least 2 women in the committee


5 0
3 years ago
four times the sum of a number and 15 is at least 120. Let x represent the number. Find all possible values for x.
Orlov [11]
The solution to the problem about the possible values of x in the inequality is as follows:

4(x+15) >= 120 
x+15 >= 30 
<span>x >= 15

Therefore, there are </span><span>x >= 15 possibilities in the inequality.

I hope my answer has come to your help. Thank you for posting your question here in Brainly.
</span>
7 0
3 years ago
Please help A.S.A.P. What possible transforms are shown below? (Choose at least one.)
Darya [45]
Right twice
Im honestly guessing
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6 0
3 years ago
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Viefleur [7K]

Answer: Option C.

Step-by-step explanation:

Let as consider the complete question is same as question shown in the below figure.

In the figure m║n.

If a transversal line intersect two parallel lines then same sided interior angles are supplementary angles and their sum is 180 degrees.

3x+x=180^{\circ}

4x=180^{\circ}

Divide both sides by 4.

x=\dfrac{180^{\circ}}{4}

x=45^{\circ}

The value of x is 45 degrees.

Therefore, the correct option is C.

7 0
3 years ago
Use the table to help determine the answer to the question below if books cost $3.50 each how much will three books cost in all
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Answer:

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Step-by-step explanation:

3.50x3=10.50

(what table)

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