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sineoko [7]
2 years ago
12

A 30-mile segment of road needs to be paved. 6 miles have already been completed. The paving crew can complete 3 miles of paving

per day. How many days will it take them to finish?
Mathematics
2 answers:
wariber [46]2 years ago
5 0

Answer: 8 days

Step-by-step explanation:

6 miles has been paved already.

Number of miles left = 30 - 6

= 24 miles

If they are paving at 3 miles a day, the days they will take to finish is:

= 24/3

= 8 days

Rasek [7]2 years ago
5 0

Answer:

8 days

because if they are paving at 3 miles a day, the days they will take to finish is:   = 24/3

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Answer:

All Negative numbers are NOT integers

Step-by-step explanation:

For example, If we take the negative number, -5/6

It is NOT a integer, it is a rational number.

Thus, this statement is wrong.

7 0
2 years ago
Read 2 more answers
Roll two fair dice. Each die has six faces. A. Let A be the event that either a 3 or 4 is rolled first followed by an odd number
zhenek [66]

Answer:

A. 0.16

B. 0.58

C. No

D. Dependent

Step-by-step explanation:

A.

The sampling space has 36 outcomes.

The event A has 6 outcomes (3,1), (3,3), (3,5), (4,1), (4,3),(4,5)

So P(A)= 6/36 = 0.16

B.

The table in the picture shows the 15 outcomes that are not allowed, so there are 36-15 = 21 possible outcomes for B and its probability is 21/36 = 0.58

C.

Are A and B mutually exclusive events?

No since their intersection is not empty, for example (3,1) belongs to both A and B

D.

In order for A and B to be independent, it must happen that

P(A∩B)=P(A)P(B)

A∩B={(3,1),(3,3),(4,1)} so P(A∩B) = 3/36  

whereas

P(A)P(B) = (6/36)(21/36) = (1/6)(7/12)=7/72

So A and B are not independent.

7 0
3 years ago
How do you solve 36 times <img src="https://tex.z-dn.net/?f=%5Csqrt%7B3%7D" id="TexFormula1" title="\sqrt{3}" alt="\sqrt{3}" ali
pantera1 [17]

Answer:

  62.3538

Step-by-step explanation:

There is nothing to solve. If you need a decimal value, you can use a calculator or table of square roots.

8 0
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faltersainse [42]
I think there are 20 people
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Please help me on this thank you so much
konstantin123 [22]
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