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wolverine [178]
3 years ago
14

The equation d = v2/15.68 represents the relationship between the distance d (in meters) needed to stop a vehicle and the veloci

ty v (in meters per second) of the vehicle. Approximate the velocity of the vehicle when it takes 40 meters to stop.

Mathematics
1 answer:
Dmitry_Shevchenko [17]3 years ago
4 0

Hello, i am working on it

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(Show your working) I uploaded the question
svlad2 [7]

x^2 = the first integer

(x - 1)^2 = the second integer.

x^2 - (x - 1)^2 = ?

First, let's plug a number into our equation for x.

(2)^2 - (2 - 1)^2 = ?

4 - (1)^2 = ?

4 - 1 = 3

As we can see the difference is odd but it's also the sum of the two consecutive integers.

2 + 1 = 3.

This works for all numbers. Let's plug another number into our equation for x.

(4)^2 - (4 - 1)^2 = ?

16 - (3)^2 = ?

16 - 9 = 7

4 + 3 = 7

Try any number and it will always be odd.

4 0
3 years ago
a seagull flying over a lake drops a fish from 81 feet. after about how many secomds does the fish land in the water?
Oksi-84 [34.3K]
2 1/4 seconds would be the answer 

5 0
3 years ago
Of all the listeners who call the local radio station on the telephone , 60% are between the ages of 15 and 25. a random number
aivan3 [116]

Answer:

Step-by-step explanation:

1 will be B, dont know bout 2

7 0
3 years ago
What is <br> Y=(2x²+1)(x-3)
spin [16.1K]

Answer:

x intercept (3,0)

y intercept (0,-3)

Step-by-step explanation:

4 0
3 years ago
a box of cereal states that there are 72 calories in a 3/4 cup serving. What is the unit rate for calories per cup? how many cal
Leona [35]

Answer:

96 and 192 calories

Step-by-step explanation:

<u>Given</u>

  • 72 calories in a 3/4 cup

<u>Divide both by 3/4 to find the unit rate:</u>

  • 72:3/4 in 3/4:3/4
  • 96 calories in 1 cup

<u>Then multiply both by 2 to get the calories for 2 cups:</u>

  • 96*2 = 192 calories
7 0
3 years ago
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