(x^2)/a^2+(y^2)/b^2=1
a>b
a=6, a^2=36
foci=(a^2-b^2)^(1/2)
4=(36-b^2)^(1/2)
16=36-b^2
b^2=36-16
b^2=20
b=2(5)^(1/2) or (20)^(1/2)
1=(x^2/36)+(y^2/20)
The equation for height as a function of time is:
height = (0.5)(acceleration)(time)^2 + (initial velocity)(time) + (initial height)
In this case, x will be the time, so 80 fits the initial height from which the parachute is dropped (the first choice).
The initial velocity of the parachute is 16, while acceleration is -32 (units of length are probably in ft).
Divide both length and width by the dialtion factor and that will be the dimensions of the new rectangle. 2.5714in by 3.4286in. Round as needed
M = 3
y-intercept = -4
hope this helps
Answer:
Maria is 66" tall, Juan is 51" tall
Step-by-step explanation:
There are 12 inches to a foot.
Luis is 62" tall
Maria is 1/3 of a foot taller than Luis, 1/3 of 12 is 4, (multiply 12 by 1/3)
So Maria is 4 inches taller than Luis, making her 66" tall
Juan is 1 1/4 feet shorter than Maria, that's one foot and 1/4 of a foot shorter, 1/4 of 12 is 3 (multiply 12 by 1/4)
So Juan is one foot (12 inches) plus 3 more inches shorter than Maria,
Juan is 15 inches shorter than Maria, making him 51" tall
