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Anna [14]
3 years ago
14

When Jasmine started jogging, she ran 3/4 mile on the first day, 1 1/8 mile on the second day, and 1 1/2 mile on the third day.

If she increased the distance she jogged each day by the same amount, how far did she jog on the fifth day?
Mathematics
1 answer:
Liula [17]3 years ago
4 0

Answer:

The answer to your question is 2 1/4

Step-by-step explanation:

Data

First day = 3/4

Second day = 1 1/8

Third day = 1 1/2

Process

1.- Find the difference between the distances

          1 1/8 - 3/4  =  (8 + 1)/8 - 3/4  

                            = 9/8 - 3/4

                            = (9 - 6)/8

                            = 3/8

         1 1/2 - 1 1/8 = (2 + 1)/2 - (8 + 1)/8

                           = 3/2 + 9/8

                           = (12 + 9) / 8

                           = 3/8

2.- Find the distance she ran the fifth day

5th = 1 1/2 + 3/8 + 3/8

       = 3/2 + 3/8 + 3/8

       = 12/8 + 3/8 + 3/8

       = 18/8

       = 9/4

      = 2 1/4          

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Eduardwww [97]
Any multiples of 4.5:1.5 would work because being proportional just depends on whether you can reduce to get the same answer of the first triangle. You could do anything like 9m and 3m or 27m and 9m
4 0
3 years ago
The mean age of 9 women in an office is 27 years old. The mean age of 7 men in an office is 25 years old. What is the mean age (
marta [7]

Answer:

26 years

Step-by-step explanation:

Given:

The mean age of 9 women = 27 years old

The mean age of 7 men = 25 years old

Question asked:

What is the mean age (nearest year) of all the people in the office?

solution:

By using, mean = sum of observations divided by number of entities

The mean age of 9 women = 27 years old

\frac{sum of ages}{number of women} = 27

Sum  of ages of women = 27 \times9 = 243\\ years

The mean age of 7 men = 25 years old

\frac{sum of ages}{number of men} = 25

sum of ages of men = 25 \times7 = 175

Total sum of ages of men and women in the office = 243 + 175

                                                                                     = 418 years

Total number of people in the office = 9 women + 7 men = 16

The mean age of all the people in the office = Total sum of ages of men and women in the office divided by Total number of people in the office

                                                                         = \frac{418}{16}  = 26.125

Therefore,  the mean age (nearest year) of all the people in the office = 26 years

6 0
3 years ago
What's the value of x in the equation: 10x-6=5x34
Snowcat [4.5K]

Answer:

8

Step-by-step explanation:

10x-6=5x+34

-5x -5x

5x-6=34

+6 +6

5x=40

---- ----

5 5

x= 8

// have a great day //

8 0
3 years ago
Plsss help me !!!!
Yuri [45]

Answer:

The enrollment after 5 years is 10,724

Step-by-step explanation:

Generally, we can have the depreciation formula written as follows;

A = P(1 - r)^t

A is the number of enrollment in after a certain number of years t

P is the initial population which is 13,500

r is the rate of depreciation which is 4.5% = 4.5/100 = 0.045

t = 5 years

Substituting these values, we have it that;

A = 13,500(1-0.045)^5

A = 10,723.84

4 0
3 years ago
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