Questions and answers by

Shay

Questions (514)

A ball is thrown straight up. Its height, h(in metres), after t seconds is given by h=-5t^2+10t+2. To the nearest tenth of a
1. 1 answer
2. 1,093 views
Determine the value(s) of k for whichx^2+(k-2)x-2k=0 has equal and real roots. a x^2 + bx + c = 0 has two different roots if the
1. 1 answer
2. 769 views
A ball is thrown straight up. Its height, h(in metres), after t seconds is given by h=-5t^2+10t+2. To the nearest tenth of a
1. 0 answers
2. 765 views
simplify the following expressions involving complex numbers.(3+2i)-(-7-i) 10 + 3i how did you do that? can you show me this one
1. 1 answer
2. 931 views
A ball is thrown straight up. Its height, h(in metres), after t seconds is given by h=-5t^2+10t+2. To the nearest tenth of a
1. 0 answers
2. 603 views
simplify the following expressions involving complex numbers.(3+2i)-(-7-i) is i like x? and how would this work i know that you
1. 0 answers
2. 552 views
simplify the following expressions involving complex numbers.(3+2i)-(-7-i) is i like x? and how would this work i know that you
1. 0 answers
2. 647 views
A ball is thrown straight up. Its height, h(in metres), after t seconds is given by h=-5t^2+10t+2. To the nearest tenth of a
1. 0 answers
2. 605 views
The rectangle given has a perimeter of 14 units. Find the value(s) of x by factoring a quadriatic equation.one side= 12/(x+1)
1. 0 answers
2. 780 views
find the x-intercepts ofy=3x^2-6x by factoring y = 3x^2 - 6x Factor out 3x: y = 3x(x - 2) Set each factor equal to 0: 3x = 0; x
1. 0 answers
2. 516 views
solve 1-(2/x)=2/(x+2)Express your answer in simplest radical form. What is radical form ne how? 1-(2/x)=2/(x+2) Multiply both
1. 0 answers
2. 741 views
The ractangle given has a perimeter of 14 units. Find the value(s) of x by factoring a quadriatic equation.x= 12/(x+1) y= 6/
1. 0 answers
2. 582 views
Why must chromosomes be duplicated before mitosis?DNA is the instruction of making proteins.To have a new cell that can work, it
1. 2 answers
2. 627 views
Hello. I would appreciate it if someone could check my answers. I'm sorry it is so long.1.) Let R denote the region between the
1. 2 answers
2. 1,265 views