Simplify (log714 + log712) - log42
log784
What is i12?
1
A row team went 18 miles in 2 hours with the current, and 8 miles in 2 hours against the current. What is the speed of the current?
2.5 mph
Find the measure of angle x.
38
What is |-15| - |6| + |-3+2|?
10
Solve log6 .1666666...
-1
(11-5i) - (-12-3i)
23-2i
A jet flying with a tailwind traveled 1680 miles in 3 hours. Against the wind, it flew 1960 miles in 4 hours. What is the speed of the jet in still air?
525 mph
What is the measure of angle DEA?
43
Solve |x-5| =3
x = 8,2
Simplify 3logA - 2logB
log(A3/B2)
What is i221?
i
You need 10 liters of a 15% acid solution. How many liters of 10% solution and 30% solution should you mix to create this?
2.5 of 30% and 7.5 of 10%
What is the value of x?
65
Solve |3x - 4| > 17
x>7 or x<-4.3333
Expand log5((xy)3/z)
3log5x + 3log5y - log5z
(2+3i)(4-6i)
26
Peanuts sell for $3.00 per pound. Cashews sell for $6.00 per pound. How many pounds of cashews should be mixed with 12 pounds of peanuts to obtain a mixture that sells for $4.20 per pound?
8
What is the value of x?
17.55555
Solve 3|2x - 4| + 12 = 8
No solution
Solve log68 + 3log63 - log61
3
Simplify (6-7i) / (1-2i)
4+i
How many liters of a 70% alcohol solution must be added to 50 liters of a 40% alcohol solution to produce a 50% alcohol solution?
25
What is the length of chord BC?
9.5
3|3 − 5r| − 3 = 18
x = -.8, 2