Answer:
D.
Step-by-step explanation:
1) according to the definition of parabola d(focus)=f(directrix),
2) then


3) after evoluation the equation:
(y+4)²=-4x+8 or (y+4)²= -4(x-2);
4) correct answer is D.
Answer:
A geometric sequence is an ordered list of numbers in which each term after the ... By utilizing the common ratio and the first term of a geometric sequence, we can sum ... His method was to dissect the area into an infinite number of triangles.
Step-by-step explanation:
easy
In Mr.Ruiz class there is 40 students so he could put 5 girls and 5 boys in each groups and that would make 4 groups of 10.
:) Glad to help :)
13/3 would be the answer :3
The total amount of money that Jeff has is $20
total fraction of his expenses on lunch and movies is:
(2/5+1/8)
=21/40
the remaining fraction is:
1-21/40
=19/40
thus the amount of cash that Jeff was left with will be:
19/40×20
=$ 9.5