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BlackZzzverrR [31]
3 years ago
13

Phil is riding his bike. He rides 42 miles in 4 hours, 52.5 miles in 5 hours, and 63 miles in 6 hours. Find the

Mathematics
2 answers:
Natasha2012 [34]3 years ago
5 0
Constant of proportionality is 10.5 and the equation is y=10.5x
kvasek [131]3 years ago
4 0

If we take 42/4, or any other of the sets, you will get 10.5, which is k.

10.5 is the amount of miles travelled in 1 hour.

Since we just multiply time and miles to get y, our equation will just be in y=kx format. 10.5 * time is the same as writing 10.5x since x is the hours. y would be miles.

Constant of proportionality: k = 10.5

The equation: y = 10.5x

:)

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A ticket to the fair initially costs $10. The price is increased by 15%. Then, the price is decreased by 25% (from the already i
Fantom [35]
Increased price = $10 + $10×15% = $11.50

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7 0
4 years ago
8.76× 10 6  is  times  than 8.76× 10 2 .
VashaNatasha [74]

10^6 = 10 *10*10*10*10*10 = 1,000,000

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1000000/100 = 10,000 times larger

4 0
4 years ago
Neil wants to join three pieces of metal to form a right triangle. which of the following lengths could be used? please use step
vichka [17]

Answer: G. 12.5, 7.5, 10

Step-by-step explanation:

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Hypotenuse² = opposite side² + adjacent side²

The hypotenuse is the longest side while the opposite and adjacent sides are the shorter side. Therefore,

F.

8² = 4² + 4²

64 = 16 + 16 = 32

A right angle triangle cannot be formed because they are not equal.

G.

12.5² = 7.5² + 10²

156.25 = 56.25 + 100 = 156.25

A right angle triangle can be formed because they are equal.

H.

23² = 11² + 9²

529 = 121 + 81 = 202

A right angle triangle cannot be formed because they are not equal.

J.

96² = 12.5² + 6²

9216 = 156.25 + 36 = 192.25

A right angle triangle cannot be formed because they are not equal.

4 0
3 years ago
The Polleys want to put in a swimming pool next summer. They need to save $7,000 over 12 months in order to achieve this goal. T
DerKrebs [107]

Answer:

a.) because one month isn't very long

Step-by-step explanation:

7 0
4 years ago
I neeeddddd helppppp it’s urgenttttttt!!!!!!!!
Katyanochek1 [597]

Answer:

x=7

Step-by-step explanation:

The sum of the arc of a circle is 360 degrees

85+5x+5+10x+5+-7+6x+6+17x = 360

Combine like terms

38x+94=360

Subtract 94 from each side

38x+94-94 = 360-94

38x = 266

Divide each side by 38

38x/28 = 266/38

x = 7

3 0
3 years ago
Read 2 more answers
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