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This sector is a fraction of the WHOLE area    fraction is  135 out of 360     or    135/360

   total area is   pi r^2

      sooo     135/360   * pi (19²) = ........ in²

150 = -16t^2 + 128t + 5

0 = -16t^2 + 128t - 145      Quadratic formula reveals t =~ 1.4 seconds

(is the arrow is travelling at 128 f/s initially....obviously 8 seconds is an incorrect answer)

The number of license plates is 26*26*5*5 = 16900.

For a, you need to make the inequality 5+(-16t^2+128t+5)>150 and solve that. for b) just plug it in it's 14*11/2=77.

the guest answer is entirely wrong because the math expressions in the problem aren't as they should be, but i think i interpreted it right. nevertheless otherwise the guest did it right based on what the question said so dont be too hard on him/her.

Hope this helped!

angle m = 180 - 2*74

a. The arrow is at 150 feet at t = 8.

b. The number of diagonals is 14*(14 - 3)*2 = 308.

https://web2.0calc.com/questions/hello-any-help-is-greatly-appreciated#r6

The largest possible value of f(12) is 108.

Each leg of the triangle is 28.

(x-4)(x-4+3 = (x-5)(x-5+6)

x = 9

The answer is 2 + 11 = 13.

There are 3*4 = 12 points in the interior.

There are 40 + 5 + 2 = 47 ways to fill the grid.

1/         19+20+21 =60

2/         4+5+6+7+8+9+10+11 = 60

3/         10+11+12+13+14 = 60

The domain of the function is (-inf,3) U (4,inf).

You can just look at the worst case scenario.  For example, for part (a), the worst case scenario is if you have the numbers 0, 0, 1 and 1.  If you add any one more number, you can find three numbers such that their sum is divisible by 3.

The answer was 3 but I was not clear if your answer was 3.

For the first break, the probability that you get a piece that is 1 or longer is 4/5.  Then for the second break, the probability that you get a piece that is 1 or longer is 3/5.  Therefore, the probability is 4/5*3/5 = 12/25.

Sorry I don't understand your language, pls give an answer and clear explanation.

In 3 ways as follows:

1  - 19  to 21 inclusive = 60
2  - 10  to 14 inclusive= 60
3  - 4  to 11 inclusive   = 60

This simplifies to 10*sqrt(3)*x*sqrt(x).