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anyanavicka [17]
3 years ago
10

A group of friends share 3 1/2 slices of cakes each friend gets half a slice of cake how many friends shared the slices of cake

?
Each whole slice of cake can be divided into _____( 3 halves,1 half,2 halves) so 3 1/2 slices of cake is a total of _____ ( 4 halves,7 halves,9 halves) because each friend gets half a life of cake there are _____ (9,7,4) friends
Mathematics
2 answers:
Mariana [72]3 years ago
6 0
The blanks should be:
<span>2 halves
</span><span>7 halves
</span><span>7 friends

This is because 3 and 1/2 is the same as the improper fraction of 7/2. </span>
12345 [234]3 years ago
4 0

Answer:

Each whole slice of cake can be divided into 2 halves so 3\frac{1}{2} slices of cake is a total of 7 halves because each friend gets half a life of cake there are 7.

Step-by-step explanation:

Given : A group of friends share 3\frac{1}{2}  slices of cakes each friend gets half a slice of cake.

To find : How many friends shared the slices of cake ?    

Solution :

According to question,

3\frac{1}{2}=3+\frac{1}{2}

i.e. it divided into 2 halves.

3+\frac{1}{2}=1+1+1+\frac{1}{2}=\frac{1}{2}+\frac{1}{2}+\frac{1}{2}+\frac{1}{2}+\frac{1}{2}+\frac{1}{2}+\frac{1}{2}

i.e. total \frac{1}{2} slices are 7 halves.

Each friend gets half a life of cake

i.e. there are 7 friends.

Rounding all the statements together,

Each whole slice of cake can be divided into 2 halves so 3\frac{1}{2} slices of cake is a total of 7 halves because each friend gets half a life of cake there are 7.

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Manita carries a box of mass 40 kg. What is the weight of the box?( g=9.8m/s)<br>​
Lilit [14]

Explanation:

Mass of boy = 40 kg

Mass of box = 20 kg

Total mass = 60 kg

Initial potential energy = 0 (since height would be 0 initially)

Final potential energy = mgh

Taking g as 10 m/s²,

=> 60 × 10 × 15

= 9,000 J

So, work done = final potential energy - initial potential energy

= 9,000 J

Power = Work/Time

=> Power = 9000/25

=> Power = 360 J/s

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8 0
2 years ago
Ten subjects are being studied to test the effectiveness of itch relief for three types of medication: A, B, and C. Using a 10-p
yan [13]

Answer: Choice C

They should be blocked by pain resistance so the subjects are as similar as possible.

============================================================

Explanation:

The process of blocking in statistics is where we group up people in blocks, and each block is determined by a characteristic of some sort. In this case, we're grouping people up by pain resistance level. Those very resistant to pain will be in one group, while those who easily feel pain will be in another block, and so on. It might be effective to have a pain scale and sort people by that.

Blocking is done so that we eliminate unwanted variability. We are testing the effectiveness of the itching cream, so all we care about is if the itch reduces or not. We aren't worried about the levels of pain. However, it says that "Previous studies have shown the effects of treatment may vary based on a subject's pain resistance". So we group up the people by pain tolerance to help eliminate the variability of pain tolerance levels.

This is why choice C is the final answer.

-------------

Extra info:

  • Choice A is false because a person's name doesn't have anything to do with if the treatment works or not.
  • Choice B is false because we weren't given any info to indicate it being true. It may be true, but we simply don't have enough info to confirm it.
  • Choice C is false for similar reasons as choice B.
6 0
2 years ago
Read 2 more answers
Evaluate: Four To The Third Power write the numerical answer only
Alja [10]
The answer is 4^3 and I believe that this is right
7 0
2 years ago
Y=x7<br><br><br> Please help I really confused
tigry1 [53]

Answer:

Where is the rest of the question? What is it asking?

Step-by-step explanation:

Well I guess if you want to change up the equation you can do 7 * X = Y

The * is just a multiplecation symbol if you didnt know

8 0
3 years ago
What is the value of <img src="https://tex.z-dn.net/?f=%5Cfrac%7B81%5E4%7D%7B3%5E5%7D" id="TexFormula1" title="\frac{81^4}{3^5}"
IRISSAK [1]

Answer:3^1^1\\

Step-by-step explanation:

\frac{81^4}{3^5}

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The base is same power can be add or subtract

3^1^6^-^5

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5 0
3 years ago
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