Answer:
40 1/2 or 40.5
Step-by-step explanation:
i used a calculator
The student messed up on step one. The proper factoring is (x-4) (x+2)
Answer:
1/26
Step-by-step explanation:
A deck of cards has 52 cards in it. 2/4 or 1/2 of the deck is red (both hearts and diamonds). Therefore, the chance of pulling any red cared from the deck is 1/26.
9514 1404 393
Answer:
15 seconds
Step-by-step explanation:
Put the given heights in the equation and solve for t.
h(t) = -16t² +3600
0 = -16t² +3600 . . . . h(t) = 0 at ground level
16t² = 3600 . . . . . . . add 16t²
t² = 3600/16 = (60/4)² = 15² . . . . . divide by 16
t = 15 . . . . . . . . . . . . take the square root
It will take 15 seconds for the phone to hit the ground.
