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astraxan [27]
2 years ago
15

Knhrh theme jejrjrh eiie

Mathematics
1 answer:
Katarina [22]2 years ago
5 0

Answer:

what

Step-by-step explanation:

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A car travels 312 miles in the same time that a motorcycle traveled 272. If the cars speed is 10mph more than the motorcycles, f
dimaraw [331]

Answer: speed of the car is 88 miles per hour

the speed of the motorcycle is 78 miles per hour

Step-by-step explanation:

Number of miles travelled by car = 312

Number of miles travelled by motorcycle = 272

Let x = speed of the car

Let y = speed of the motorcycle

If the car's speed is 10mph more than the motorcycle's, it means

x = y + 10 - - -- - - 1

Time taken for car to travel 312 miles is distance /speed = 312/x

Time taken for motorcycle to travel 272 miles is distance /speed = 272/y

The car travels 312 miles in the same time that a motorcycle traveled 272.

This means

312/x = 272/y

312y = 272x

y = 272x/312

Substituting y = 272x/312 into equation 1, it becomes

x = 272x/312 + 10

312x = 272x + 3120

312x-272x = 3120

40x = 3120

x = 3120/40 = 78 miles per hour

x = y + 10 = y + 78

x = 88 miles per hour

3 0
2 years ago
a Sam purchases a home for $1, 240, 500. Each year the value of the home appreciates by 3%. What is the value of the home after
OleMash [197]

Answer:

lol

Step-by-step explanation:

6 0
2 years ago
The sum of two numbers is 21 . One number is 12 more than the other one. Find the numbers.
vaieri [72.5K]
The 2 numbers would be 9 and 12
8 0
2 years ago
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· A ball is dropped from a height of 256 feet. After it hits the ground, it rebounds to a height that is 75% of its previous max
Sliva [168]

Answer:

The answer is 192 ft. :D

Step-by-step explanation:

PLEASE mark me brainliest! :)

6 0
2 years ago
If the relative frequency of getting a 6 on a dice is 0.3, how many 6's would you expect to get in 400 throws of the dice?
MA_775_DIABLO [31]
You can expect to get 120 sixes
5 0
2 years ago
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