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bagirrra123 [75]
3 years ago
10

Abbey's class is made up of 21 students--11 girls and 10 boys. What is the ratio of girls to boys?

Mathematics
2 answers:
DanielleElmas [232]3 years ago
7 0

Answer:

B is the number one answer

dybincka [34]3 years ago
4 0
B for number 1 and i’ll figure out the rest
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How do i find the value of x in x+7=2
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Answer:

x = -5

Step-by-step explanation:

Get x by itself on the left side. To do that, subtract the 7. Do to both sides. This makes x = -5

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3 years ago
Can you help I have tried 4 times
docker41 [41]

Answer:

5120oz/12=426.667 ounces.

Step-by-step explanation:

We know 1 pound = 16 oz. If we want to find out how many ounces are in 320 lbs, we must multiply 16 by 320 = 5120 ounces. Now we must divide by 12 to see how much she ate per month. 5120 divided by 12 is 426.667 or 426 and 2/3 ounces per month.

Alternatively, we can set up a proportion 1 lb / 16 ounces = 320 lb / x ounces. We cross multiply 1 times x = 320 times 15. On the left hand side we just have x and on the right hand side we get 5120. Hence, x=5120 ounces per year. To find how many she ate per month we must divide by 12 since there are 12 months in a year. So it comes out to 426 and 2/3 ounces per month.

 

Here are the equations: (1lb)(320lb)=(16oz)(320oz) implies 320lb=5120oz. Then divide 5120oz 12 to get how much she ate per month: 5120oz/12=426.667 ounces.

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3 years ago
Four couples at a dinner party play a board game after the meal. They decide to play as teams of two and to select the teams ran
Llana [10]

Answer:

0.29

Step-by-step explanation:

We are given that there are 4 couples i.e. 8 people

They decide to play as teams of two and to select the teams randomly

Now we are asked How likely is it that every person will be teamed with someone other than the person he or she came to the party with

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So,  Probability that every person (=8 person) will be teamed with someone other than the person he or she came to the party with =(\frac{6}{7})^8=0.29

Hence Probability that every person will be teamed with someone other than the person he or she came to the party with is 0.29

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3 years ago
The two hexagonal pyramids are similar. If the smaller pyramid has a surface area of 25.49 ft2, what is the surface area of the
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