Answer:
Step-by-step explanation:
Parameterize the ellipse as (acos∙,bsin∙). Take points P:=(acosp,bsinp) and Q:=(acosq,bsinq) on the ellipse, with midpoint M:=(P+Q)/2.
If |PQ|=2k, then
a2(cosp−cosq)2+b2(sinp−sinq)2=4k2
The coordinates of M are
xy==a2(cosp+cosq)b2(sinp+sinq)
Answer:104ft^3
Step-by-step explanation:
volume=length x width x height
Volume=13 x 4 x 2
Volume=104ft^3
Answer:
The answer is 77
Step-by-step explanation:
So, first put them in number order: 65, 73, 77, 77, 81, 83, 98. Then, we cross out the first and the last number. Now the numbers we have are 73, 77, 77, 81, 83. Then, we do that again. 77, 77, 81. One more time. 77 is the number we have left. Easy, right?
53/2 is 25.5 as a fraction; 40/2 is 20 as a fraction
Answer:
Because the price did not stay the same when they discounted it by 10% percent before.
Step-by-step explanation:
10% percent of 450 is 45 so Subtracting that from 450 would give you,405.
They deducted another 10% percent a week later 10 percent of 405 would be 40.5 so you would subtract that from 405 which would make it 364.5
If you took 20% off originally then 20% of 450 is 90 so subtracting that would make 450 into 360 which is different from 364.5
