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Vadim26 [7]
2 years ago
15

Fifty Points and Brainliest! Select all that have a proportional relationship:

Mathematics
1 answer:
klasskru [66]2 years ago
5 0

Answer:

B and D both have a proportional relationship

Step-by-step explanation:

Please give brainliest

<u>Your Welcome</u> :)

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Simone travels 90 miles at an average speed of 40 mph.
denis-greek [22]

Using the relation between velocity, distance and time, it is found that her average speed for the final 30 miles is of 55.56 mph.

<h3>What is the relation between velocity, distance and time?</h3>

Velocity is distance divided by time, that is:

v = \frac{d}{t}

Simone travels 90 miles at an average speed of 40 mph, hence the time is given by:

t_1 = \frac{90}{40} = 2.25

She then travels a further 30 miles, with an average speed for the journey of 43 mph. Hence, she traveled 90 + 30 = 120 miles, and the total time is given by:

t = \frac{120}{43} = 2.79

Hence, in the second part, she traveled 30 miles in 2.79 - 2.25 = 0.54 hours, so the velocity is given by:

v = \frac{d}{t} = \frac{30}{0.54} = 55.56

Her average speed for the final 30 miles is of 55.56 mph.

More can be learned about the relation between velocity, distance and time at brainly.com/question/24316569

#SPJ1

5 0
2 years ago
PLEASE HELP WILL GIVE BRIANLIEST!!! ​
const2013 [10]

Point A is an outlier because if we were to put the best fit line along with the points according to the most amount of points, point A is the farthest away from the line and thus is the outlier.

Hope that helps!

8 0
2 years ago
Shen's phone service costs her $20.75 per month. If she averages $8.25
gavmur [86]

Answer:

2.51

Step-by-step explanation:

Remove the decimal from 8.25 and 20.75.

20.75 inside the house 8.25 out side

then divide

7 0
2 years ago
Find the value of x .
Stels [109]

Answer:

4x+2x=90

6x=90

x=15

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Simplify 3x + 7(3x + 2) + 4x – 5
Nitella [24]
3x + 7(3x + 2) + 4x - 5
Distribute the parenthesis.
3x + 21x + 14 + 4x - 5
Add like-terms
28x + 9 is your simplified expression.
6 0
2 years ago
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