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lbvjy [14]
3 years ago
7

Jordan surveyed her friends about whether or not they had a minivan and whether or not they lived in a two-story house. She repo

rted the relative frequencies in the table shown. Which statement is correct?
A) It is least likely that one of her friends lives in a two-story house and has a minivan.

B) It is most likely that one of her friends has a minivan but does not live in a two-story house.

C) It is most likely that one of her friends lives in a two-story house but does not have a minivan.

D) It is least likely that one of her friends does not have a minivan and does not live in a two-story house.

Mathematics
2 answers:
Anarel [89]3 years ago
5 0

Its D It is least likely that one of her friends does not have a minivan and does not live in a two story house.

viktelen [127]3 years ago
4 0

Answer:

It is least likely that one of her friends does not have a minivan and does not live in a two-story house.

Step-by-step explanation:

Given that Jordan surveyed her friends about whether or not they had a minivan and whether or not they lived in a two-story house.

The table is given as below

                       LIves in a 2 storey house

Minivan                           Yes             No

Yes                                    0.65          0.11

No                                      0.18          0.06

Since probability is the least =0.06 for friends who do not own minivan and do not live in a two storey house we find that option D is the appropriate answer

D)  It is least likely that one of her friends does not have a minivan and does not live in a two-story house.

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3 years ago
For the first 80 miles of her road trip, Lina travels 10 miles/hour slower than she did for the remaining 50 miles of her trip.
Contact [7]

The expressions represent the total time of her trip in hours is\rm \dfrac{80}{s} + \dfrac{50}{s+10}.

Given that,

For the first 80 miles of her road trip, Lina travels 10 miles/hour slower than she did for the remaining 50 miles of her trip.

It represents Lina's  speed during the first part of her trip.

We have to determine,

Which expressions represent the total time of her trip in hours?

According to the question,

Let the speed traveled during the first part of the trip be "s".

The formula for calculating the distance is expressed as:

\rm Distance = Speed \times Time

For the first part of the journey:

Distance = 80 miles

Time = \rm t_1

And Speed = s

Substitute all the values in the formula,

\rm Distance = Speed \times Time\\\\80 = s \times t_1\\\\ t_1= \dfrac{80}{s}

For the second part of the trip;

Distance traveled = 50 miles

Speed = s + 10 (10miles/hour faster than the first part of the trip)

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Substitute all the values in the formula,

\rm Distance = Speed \times Time\\\\50 = (s+10) \times t_2\\\\ t_2 = \dfrac{50}{s+10}

Therefore,

Adding both the time to represent the total time of her trip in hours,

\rm = t_1 +t_2 \\\\ = \dfrac{80}{s} + \dfrac{50}{s+10}

Hence, The required expressions represent the total time of her trip in hours is\rm \dfrac{80}{s} + \dfrac{50}{s+10}.

For more details refer to the link given below.

brainly.com/question/21043759

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Mustafa’s horse ate 6,400 pounds of hay last year. How could Mustafa determine the number of tons of hay his horse ate last year
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Last one, ​please :)
KengaRu [80]

Answer:

m∠X = 29°

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Step-by-step explanation:

∵ ΔXWV is right angle at W

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∴ m∠X + m∠V = 180° - 90° = 90°

∵ m∠X = 2x + 5 and m∠V = 4x +13

∴ 2x + 5 +4x + 13 = 90

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∴ m∠X = 2(12) + 5 = 29°

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If AD equals 3X +3 CD equals X +9, what is the value of X?
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