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Mathematics, 08.12.2022 22:06 sarahjdeering

Julia and Kajal make deliveries on their bicycles. For each delivery, they need some time to get ready, and then they each ride at a constant speed.
Julia takes 404040 minutes to make a delivery 555 kilometers away. She uses 101010 minutes of the delivery time to get ready.
The following equation gives the time it takes Kajal to make a delivery (in minutes) as a function of the distance of the delivery (in kilometers).
t = 15+6dt=15+6dt, equals, 15, plus, 6, d
Who takes more time to get ready?

Answers

ansver
Answer from: Quest

56.6

step-by-step explanation:

the ratio of the perimeters is equal to the scale.

the ratio of the areas is equal to the square of the scale.

34 / 20 = k

a / 19.6 = k²

substituting:

a / 19.6 = (34 / 20)²

a = 19.6 (34 / 20)²

a ≈ 56.6

These figures are similar. the perimeter and area of one are given. the perimeter of the other is al
ansver
Answer from: Quest
Did u want to find the value of x?
ansver
Answer from: Quest

step-by-step explanation:

what grade level is this? need to know so i can look in my old textbooks!

ansver
Answer from: Quest

it would rotate about 180 degrees.

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Julia and Kajal make deliveries on their bicycles. For each delivery, they need some time to get rea...

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