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mylen [45]
1 year ago
13

if mr sulivan drove 7hrs within 385 miles and then he drives 3 hrs in the distance of 165 miles is the amount of time of the two

trips proportional relationship
Mathematics
1 answer:
ehidna [41]1 year ago
6 0

the amount of time of the two trips is a proportional relationship

<h3>What is proportional relationship?</h3>

mathematical expressions are said to be proportional if there unit rate are equal. this means that the expressions will give similar results when similar values are substituted into the equation.

<u>solution:</u>

Driving 7 hrs within 385 miles represents a unit rate of 385 / 7 = 55 miles per hour or 55 mph

while 3 hrs in 165 miles represents a unit rate of 165 / 3 = 55 mph

since both situations gave similar speed in miles per hour they are said to have a proportional relationship.

Read more on proportional relationship here: brainly.com/question/12242745

#SPJ1

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Mama L [17]

Answer:

(-3 , 0) (0, 2) (6, -6)

Step-by-step explanation:

Solving for x - intercept:

2x - 3(0) = -6

2x = -6

2x/2 = -6/2

x = -3

One point would be (-3 , 0) .

Solving for y-intercept:

2(0) - 3y = -6

-3y = -6

-3y/-3 = -6/-3

y = 2

Another point would be (0, 2).

When 'x' equals 6:

2(6) - 3y = -6

12 - 3y = -6

12 - 12 - 3y = -6 - 12

-3y = -18

-3y/3 = -18/3

y = -6

The third point would be (6, -6).

6 0
3 years ago
PLEASE IM BEGGING! HELP!
user100 [1]

Answer:

Part A: after 9 days the radius of the algae would be 12.81mm so the domain is 9. you would plot the domain at (0,9)

Part B: the y-intercept (the 9) represents the amount of algae the experiment started off with.

Part C: the rate of change is 0.

Step-by-step explanation:

4 0
3 years ago
Joe deposits $700 into an account that pays simple interest at a rate of 4% per year. How much will he be paid in the first 3 ye
nata0808 [166]

Answer:

784

Step-by-step explanation:

5 0
3 years ago
can some help me out with this ? i need to know some steps so i can remember what im doing for the other questions i have.
Anna [14]

Answer:

Step-by-step explanation:

a^{2} +b^{2}=c^{2} \\b^{2} =c^{2}- a^{2}\\b= \sqrt{b^{2} }

49 - 16 = 33

\sqrt{33} = 5.74

6 0
3 years ago
Of the last 60 people who went to the cash register at a department store, 14 had blond hair, 16 had black hair, 27 had brown ha
Readme [11.4K]

Answer:

The empirical probability is 7/30

Step-by-step explanation:

60 people

14 blondes

14/60= 7/30

<h2>7/30</h2>

7 0
3 years ago
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