Solve the system x1+x2-4x3=3 3x1+4x2+3x3=-8 x1=? x2=? x3=?
Solve the system x1+x2-4x3=3 3x1+4x2+3x3=-8 x1=? x2=? x3=?
Ps is short for pennies, Ns is short for nickels, and Ds is short for dimes.
Find the rate of the runner.
Ph of a solution whose [h30+] concentration is 3.2 x 10 - 4 M?
3(2p+1)+9p+2
A person as $30,000 invested in stock A and stock B. Stock A currently sells for $40 a share and stock B sells for $90 a share. If stock B triples in value and stock A goes up 50% his stock will be...
7+4i 2-5i I was sick the day my teacher explained this, please help.
three hot dogs and four hamburgers cost $13.25; four hot dogs and three hamburgers cost $13.00. Find the cost of one hot dog and the cost of one hamburger.
PH of a solution whose [H3O+] concentration is 3.2 x 10-4 M?
Math integers
A bicyclist travels the first 800 m of a trip with a speed of 10 m/s, the next 500 m with an average speed of 5 m/s and the final 1200 m at a speed of 13 m/s. Find the average speed of the bicyclist...
Juan invested $2000 in bonds and certificate of deposits The bonds paid 5% and the CD's paid 4.5%If his total interest earned was $93.75 how much did he invest in each type?
I don't know how to factor or how to use the square method or diamond method for that matter. I know that the set up is X squared plus Bx plus C and that I need to find the factors of C that add up...
A car travels for an hour at a speed of 20 km/hr, the next two hours at a speed of 65 km/hr and the final hour at a speed of 85 km/hr. What is the average speed of the car for the entire trip?
John has 56 balls. He puts 3 times as many balls into red bags as he puts into greenbags. If he puts the sameof balls into each bag, how many balls does he put into green bags??
the total length of two ships is 2039 feet. The difference in their lengths is 11 feet.
painting similar rooms
Normal household voltage is 110 volts. However, it is not uncommon for actual voltage to differ from normal voltage by @ most 5 volts. Express this situation as an inequality involving an absolute...
writing equations of parabola's in vertex form
A car travels 100 km in the first two hours, stops for half an hour and then travels 200 km in the next four hours. Find the average speed of the car.