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MArishka [77]
4 years ago
6

A student walks 1/4 Mile from her home to the store on her way to a friend's house if the store is 1/3 of the way to a friend's

house how far is her friend's house for my home
Mathematics
1 answer:
exis [7]4 years ago
3 0

the store is 1/3 the way to her friend's house, not 1/3 mile.

this explains solution:

1/3x = 1/4

x = 1/4 * 1/3

x = 3/4

Notes:

X: is the total distance.

1/3 is the one portion of total distance.

1/4 mile is the distance store.

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Y = -2/5x - 4

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2 years ago
The weight of male american between the ages 18 to 25 is normally distributed, with mean of 162.7 lb and a standard deviation of
MArishka [77]

Answer:

218.7 lb.

Step-by-step explanation:

We have been given that the  weight of male american between the ages 18 to 25 is normally distributed, with mean of 162.7 lb and a standard deviation of 28 lb.

One definition of obesity states that a person is obese if the z-score of his or her weight is greater than 2.

We will use z-score formula to solve our given problem.

z=\frac{x-\mu}{\sigma}, where,

z=\text{ z-score},

x=\text{ Random sample-score},

\mu=\text{ Mean},

\sigma=\text{ Standard deviation}.

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2=\frac{x-162.7}{28}

Now let us solve for x.

Upon multiplying both sides of our equation by 28 we will get,

2*28=\frac{x-162.7}{28}*28

56=x-162.7

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56+162.7=x-162.7+162.7

218.7=x

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6 0
3 years ago
Read 2 more answers
Write an equation to find the number of students in Mr. Boggs' homeroom if the total number of students is 90.
gladu [14]

Answer:

15(b+2) + 15 + 2b-9 +b = 90

Step-by-step explanation:

Essentially you add up all of the values and make it equal to 90, then solve for b

15(b+2) + 15 + 2b-9 +b = 90

15b + 30 + 15 + 2b - 9 + b = 90  

18b + 30 + 15 - 9 = 90

18b + 36 = 90

18b = 54

b=3

7 0
3 years ago
Read 2 more answers
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