Answer:
Step-by-step explanation:
h(t)=160t-16t^2=-16(t²-10t+25-25)
=-16(t-5)²+400
max. height reached=400 ft
P² - r²
subtitute p =10 and r= -4
10² - (-4)² = 100 - 16 = 84
I believe your answer to be: 449.85
<em>Answer:</em>
<em>D)</em>
<em>Step-by-step explanation:</em>
<em>We know that it cannot be C since z is not involved in this problem.</em>
<em>a) 3/20x</em>
<em>Try with 20 = x</em>
<em>3/440 ≠ 3</em>
<em>A is not the answer.</em>
<em>b) 60x</em>
<em>Try with 20 = x</em>
<em>1800 ≠ 3</em>
<em>B is not the answer.</em>
<em>c) 60/x</em>
<em>Try with 20 = x</em>
<em>3 = 3</em>
<em>Try with 15 = x</em>
<em>4 = 4</em>
<em>D is your answer.</em>
<em>Hope this helps. Have a nice day. Oh, and one more thing. Surprised to see I'm not stealing points?</em>
Answer:
The answer is 1 and 3/4
Step-by-step explanation: