4x^2-8x-60
4(x^2-2x-15)
4(x-5)(x+3)
x=-3,5
Answer:
(0,4)
Step-by-step explanation:
to find the midpoint you have to average the x values and the y values (add them and divide by 2). So for the first one A = (11, 4) and B = (-11, 12) so the midpoint M will be (11 + (-11), 4+12) = (0, 4). Do the same for the rest.
Answer:
12 feet ladder
Step-by-step explanation:
Height of 12 ft ladder :
Using Pythagoras :
Tan θ = Adjacent / hypotenus
Tan 57 = h / 12
1.5398649 * 12 = 18.48 feets
For 16 feet ladder :
Tan θ = Adjacent / hypotenus
Tan 30 = h / 16
0.5773502 * 16 = 9.24 feets
18.48 > 9.24
Hence, he'll climb the 12 feets ladder to the higher height
Answer:
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