3 years ago

A police officer investigating a car accident finds a skid mark of 115 ft in length.

Mathematics

1 answer:

Minchanka [31]3 years ago

7 0

Answer:

Speed of car = 49 mph (Approx.)

Step-by-step explanation:

Given:

Length of skid marked = 115 ft

Formula for skid mark = S = √21d

Where d = Length of skid marked

Find:

Speed of car

Computation:

Speed of car = √21d

Speed of car = √21(115)

Speed of car = √2,415

Speed of car = 49.1426

Speed of car = 49 mph (Approx.)

You might be interested in

The length of a rectangle is twice its width. The length is 4 1/2 feet. What is the area of the rectangle in square feet?

MA_775_DIABLO [31]

Answer:

Loading,please wait...

Step-by-step explanation:

8 0

3 years ago

The vertices of polygon ABCD are at A(1,1), B(2,3), C(3,2), and D(2,1). ABDC is reflected across the x-axis and translated 2 uni

velikii [3]

Answer:

Step-by-step explanation:

A. (1,1)

B. (2, -1)

C. (3, 0)

D. (2,1)

yes so i have matched the vertices of the polygon

4 0

3 years ago

Read 2 more answers

Kadeem earns a salary of $1,800 per month plus a 10% commission on his sales. In order to save money for the down payment on a h

docker41 [41]

I'm guessing 99.65
1800+10%-20%-25%=99.65
but it probably wrong

5 0

3 years ago

Read 2 more answers

9. On a math test with 52 questions, Kim solved 3/4 of the questions correctly. How many questions did Kim solve

kirill115 [55]

Answer: Kim got 13 questions wrong.

Step-by-step explanation: First find how many questions were 75% of 52 questions since 3/4 is equal to 75%. Then subtract that amount (which is 39) from 52 and you get 13.

7 0

3 years ago

The temperature was 15°F when you woke up. It went down 2 degrees each hour for the next 5 hours. What was the final temperature

djyliett [7]

Answer:

5⁰ F

Step-by-step explanation:

because 2 times t is 10

15 minus 10 is 5

4 0

2 years ago

Read 2 more answers