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3 years ago

Mr. ford drove 483 miles during his trip. How many hundreds are in this number ?

Mathematics

2 answers:

frez [133]3 years ago

6 0

There are 4 hundreds

mixer [17]3 years ago

3 0

There are 4 hundreds.

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In a certain college, 33% of the physics majors belong to ethnic minorities. Of 8 students are selected at random from the physi

tiny-mole [99]

Answer: 0.0187

Step-by-step explanation:

The binomial distribution formula for probability :-

$P(x)=^nC_xp^x(1-p)^{n-x}$ , where P(x) is the probability of getting success in x trials , n is the total number of trials and p is the probability of getting success in each trial.

Given : The probability that the physics majors belong to ethnic minorities =0.33

Number of students selected : n= 8

Now, the probability that more than 5 belong to an ethnic minority :-

$P(x>5)=P(6)+P(7)+P(8)\\\\=^8C_6(0.33)^6(0.67)^{2}+^8C_7(0.33)^7(0.67)^{1}+^8C_8(0.33)^8(0.67)^{0}\\\\=(\dfrac{8!}{6!2!})(0.33)^6(0.67)^{2}+(8)(0.33)^7(0.67)^{1}+(0.33)^8(0.67)^{0}\\\\=0.0186577086013\approx0.0187$

Hence, the probability that more than 5 belong to an ethnic minority = 0.0187

7 0

3 years ago

list as many combinations of three dimensions you can come up with that would give you a volume if 1536 cubic feet.

Monica [59]

Answer:

1.) Length = 8ft, width = 8ft, height = 24ft

2.) Length = 8ft, width = 16ft, height = 12ft

3.) Length = 8ft, width = 24ft, height = 8ft

4.) Length = 8ft, width = 32ft, height = 6ft

5.) Length = 6ft, width = 8ft, height = 32ft

6.) Length = 16ft, width = 4ft, height = 24ft

7) Length = 12ft, width = 8ft, height = 16ft

8.) Length = 2ft, width = 64ft, height = 12ft

9.) Length = 48ft, width = 16ft, height = 2ft

Step-by-step explanation:

To obtain a volume of 1536 cubic feet:

This means Length × width × Height equals 1536ft^3

1.) Length = 8ft, width = 8ft, height = 24ft

2.) Length = 8ft, width = 16ft, height = 12ft

3.) Length = 8ft, width = 24ft, height = 8ft

6 0

3 years ago

What is the area of a regular hexagon with a side length of 4 m? Enter your answer in the box. Round only your final answer to t

Tanzania [10]

The area of a hexagon is
A= a^2 (3√3)/2
we replace a with 4
A=41.57

8 0

3 years ago

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Which equation corresponds to the sentence, "Five times a minus two is equal to t"?

Citrus2011 [14]

Answer:

C. is the correct answer.

Step-by-step explanation:

The sentence "Five times a minus two is equal to t" corresponds with 5x - 2 = t exactly.

This means that it is correct.

4 0

3 years ago

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ABC is a right triangle with legs measuring 5 centimeters and 12 centimeters. which of the following is the measure of the trian

Elanso [62]

Answer:

Step-by-step explanation:

sqroot of 144+25=√169=13

7 0

3 years ago