Factorise (a2 - a - 12)x2 + (2a2 - 4)x + a2 + a How is this even possible?!?
Factorise (a2 - a - 12)x2 + (2a2 - 4)x + a2 + a How is this even possible?!?
Answer choices: none of these y = -3.6x + 4 y = 0.98x - 3 y = 6x - 7
A printing company makes pamphlets that cost $.75 per copy plus $5.00 as a setter's fee. If $80 were spent printing a pamphlet, how many pamphlets were ordered? Could this be set as...
How many gallons of a 12% indicator solution must be mixed with a 20% indicatior solution to get 10 gallons of a 14% solution
This may be a silly question, but I am confused as to how they got this answer. Which is the farthest from 1/2 on the number line? A. 1/12 B. 7/8 C. 3/4 D...
* my instructor said that I need to have variables and an equation, I did the problem the first time but could not figure it out On a 1287 long road trip in windy conditions, a family...
A teacher spent 7.5 hours making telephone calls, writing emails and attending meetings. She spent twice as much time attending meetings as making telephone calls and 0.5 hours longer writing emails...
Multiply. Express your answer in simplest form. (14m3)/(5n2 )⋅(-5n/(7m5 )) (p3-6p2-16p)/(2p2-128)⋅(p2+16p+64)/(p2+10p+16)
The area of a circle with radius r is given by the formula A=π r2 . If a circle has area 169π square inches, what is the radius?
The formula a=p(1+r)^2 gives the amount A is dollars that P dollars wil grow to in 2 years at interest rate R (where r is given as a decimal), using compound interest. What interest rate will...
I tend to have trouble with these. Is there an easy way to figure these type of questions out?
Allison replaced 100-watt fixture with 15 watt fixture.she estimated that fixture will burn 2000 h per year and that annual savings will be $20.40 What is the cost of her electricity per kWh? I...
Scenario with formulas: Cost Function C(Q)= 8q+3200 Revenue Function R(Q)= -10p^2+850p ( in terms of q, (1/10q^2)+85q ...? I think?) Find the break...
This is the equation 2X2-3X-9
Find the distance between the points (-5,3) and (-1,7).
1.y = 2/3x -3 y =2x2+4x-6 and.. 2. y=-2(x-3)2+6 ...
All of the 5th grade teachers and students from Springer went on a field trip to an archaeology museum. Tickets were $8.00 each for teachers and $4.50 each for students, and the group paid $72.50...
1+i/4-5i Express the answer in form a+bi. The dash is because it divides the two equations
In 2006, the national federal deficit was 248 billion. By 2013, it was 680 billion. Find and interpret the average rate of change (slope).
The cost and revenue function are linear. All units are sold. The fixed cost is $2400 and the variable is $16 per item. The item sells for $64. Find the cost function, revenue...