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...
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...
Factorise (a2 - a - 12)x2 + (2a2 - 4)x + a2 + a How is this even possible?!?
Multiply. Express your answer in simplest form. (14m3)/(5n2 )⋅(-5n/(7m5 )) (p3-6p2-16p)/(2p2-128)⋅(p2+16p+64)/(p2+10p+16)
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...
Answer choices: none of these y = -3.6x + 4 y = 0.98x - 3 y = 6x - 7
I tend to have trouble with these. Is there an easy way to figure these type of questions out?
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...
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...
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...
(√3-3√2)2
Find the distance between the points (-5,3) and (-1,7).
(3√2-2√5)(4√2+√5)
1+i/4-5i Express the answer in form a+bi. The dash is because it divides the two equations
i30
(5+3i) - (2-4i)- (3-8i) I subtracted them together and got 9i
3-1/3 x2/5 y-5/8 ______________ 3-10/3 x-5/2 y3/8 This is a fraction
Nicholas takes a boat ride down a river to visit an island at the mouth of the river. The boat leaves the docks at 9:15 am and reaches the island at 10:34 am. He spends several hours on the island,...
1.) How long will it take her money to triple? 2.) How long will it take her money to sextuple?