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Lelechka [254]
3 years ago
11

If you roll a 6-sided die 12 times, what is the best prediction possible for the number of times you will roll a four?

Mathematics
2 answers:
Komok [63]3 years ago
8 0

Answer:

2 times

Step-by-step explanation:

if you roll a die you have a 1/6 chance of rolling it, so you have 1/6 of 12, or two 4s.

andrew-mc [135]3 years ago
4 0

Answer:

2 times

Step-by-step explanation:

Probability = Number of desired outcomes ÷ Number of possible outcomes

Probability = 12÷ 6 =2

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eduard
Y=4/3 because if 3 goes to rhs is becomes divided by the number on the rhs so answer is 4/3
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3 years ago
Which step is incorrect when solving the equation 2(x+9)=4(x+7)+2?
iragen [17]

Answer:

3. 2x+18=4x+26

Step-by-step explanation:

2(x+9)=4(x+7)+2

2x+18=4x+28+2

2x+18=4x+<u>3</u><u>0</u>

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Hope this helps ;) ❤❤❤

8 0
3 years ago
A 4.5 kg cat requires medication at a dose rate of 5 mg/kg once daily for the next 7 days. The tablets are available in 10 mg st
Marta_Voda [28]

Answer:

<u>Approximately 16 tablets of medicine</u>

Step-by-step explanation:

Based on the information above , we can use a <u>Rule of Three</u> to first figure out how many mg the cat would need to ingest per day.

\frac{5mg}{1kg} = \frac{x}{4.5kg}

\frac{5mg*4.5kg}{1kg} = 22.5mg

Now we see that the cat needs to take a daily dose of 22.5mg. Since the Tablets come at a strength of 10 mg per tablet then,

22.5 / 10 = 2.25

The cat would need to take 2.25 tablets per day. Since she needs to take the dose for the next 7 days then,

2.25 * 7 = 15.75

She would need to take<u> approximately 16 tablets of medicine</u> during the week .

I hope this answered your question. If you have any more questions feel free to ask away at Brainly.

5 0
3 years ago
A wire 4 1/2 feet long is being cut into smaller pieces of wire, each. 1 1/4 ft long what is the max number of smaller pieces of
ivolga24 [154]

4.5 divided by 1.25 is 3.6

for peices in total it is 4.

for peices the right length it is 3

3 0
3 years ago
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HELP ME WITH MY MATH EXAM FAST
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Answer:

sorry can't help :)

Step-by-step explanation:

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