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Anarel [89]
3 years ago
8

Can someone please help me

Mathematics
1 answer:
inna [77]3 years ago
3 0

Answer:

hope this helps you ...

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A coach needs to rank his top 2 players in order. How many possible ways can this be done if there are 25 boys on the team?
likoan [24]
Assuming "top two" are ranked first and second:
The coach can choose one out of 25 for the first and 24 for the second.
So there are 25*24=600 ways to choose.

If "top two" simply means the two best, without distinction, then we divide 600 by two to get 300 ways because the choice of the order can be reversed (AB instead of BA).


3 0
3 years ago
28 is 9 less than twice a number
photoshop1234 [79]

Answer:

Step-by-step explanation:

28=2x-9

37=2x

x=18.5

5 0
3 years ago
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K ÷1 3 =10 what is the answer to the equation?
adell [148]
 this the answer K=130
7 0
3 years ago
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Biology application. The approximate number of calories C that an animal needs each day is given by
Reika [66]

Answer:

C = 288 kg

Step-by-step explanation:

Given:

C = 72m^2/4

where,

C = approximate number of calories

m = animal mass in kilograms.

Find C when m = 16

C = 72m^2/4

= 72 * (16)^2/4

= 72 * (16)^1/2

= 72 * √16

= 72 * 4

= 288

C = 288 kg

7 0
3 years ago
A florist is arranging flowers in vases. There are 4 red flowers and 5 white flowers in every vase. The florist wants to make on
vichka [17]

There will be 72 flowers in total in the large arrangement.

Step-by-step explanation:

No. of red flowers in vase = 4

No. of white flowers in vase = 5

Ratio of red flowers to white flowers = 4:5

No. of red flowers in large arrangement = 32

No. of white flowers in large arrangement = w

Ratio of red flowers to white flowers = 32:w

Using proportion;

Ratio of red flowers to white flowers :: Ratio of red flowers to white flowers

4:5::32:w

Product of extreme = Product of mean

4*w=32*5\\4w=160

Dividing both sides by 4

\frac{4w}{4}=\frac{160}{4}\\w=40

Total flowers in large arrangement = Red flowers + white flowers

Total flowers in large arrangement = 32 + 40 =72

There will be 72 flowers in total in the large arrangement.

Keywords: ratio, proportion

Learn more about ratios at:

  • brainly.com/question/4228574
  • brainly.com/question/4279146

#LearnwithBrainly

5 0
3 years ago
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