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Trisan

Questions and answers by visitors named Trisan

Questions (52)

Sally invested a total of $4500, some at 9% per year and the rest at 6% per year. The return from the 9% investment exceeds that
1. 4 answers
2. 795 views
Sally invested a total of $4500, some at 9% per year and the rest at 6% per year. The return from the 9% investment exceeds that
1. 2 answers
2. 495 views
With the wind, a jet can fly 2500 km in 2 hours and 30 minutes. Against the wind, it can fly only 2000 km in the same time. Find
1. 2 answers
2. 1,108 views
How many liters of water must be added to 8 liters of a 40% acid solution to obtain a 10% acid solution? Please Show All Work!
1. 2 answers
2. 779 views
How much pure acid must be added to 6 milliliters of a 5% acid solution to produce a 40% acid solution? Please Show All Work!
1. 2 answers
2. 778 views
Joan has 40 liters of a 25% solution. How many liters of a 60% solution should she add to make a 30% solution?
1. 3 answers
2. 417 views
How much wat must be evaporated from a 65-gallon tank of 40% salt solution in order to obtain an 80% salt solution?
1. 1 answer
2. 438 views
Sam invested $7000, part at 7% and the rest at 11%. If his total return for one year was $690, how much was invested at each
1. 2 answers
2. 1,197 views
Sally invested a total of $4500, some at 9% per year and the rest at 6% per year. The return from the 9% investment exceeds that
1. 1 answer
2. 490 views
A boat travels 60 km upstream and back again in 8 hours. If the speed of the boat is 16 km/h, what is the speed of the current?
1. 2 answers
2. 960 views
simplify:x+2 ___ x to the second power + x-2 _____ 2x X+2 divided by x to the second power plus x-2 divided by 2x
1. 2 answers
2. 1,090 views
simplify:x+2 __ x to the second power + x-2 _____ 2x X+2 divided by x to the second power plus x-2 divided by 2x
1. 2 answers
2. 596 views
Simplify:2x+5 + 2x-5 ____ ______ 4x raised 10x to the second power
1. 1 answer
2. 336 views
Simplify:4s raised to the negative 2 power - (4t)raised to the -2 power
1. 4 answers
2. 1,058 views
Simplify:2x+5/4x^2 + 2x-5/10x
1. 1 answer
2. 396 views
Simplify:4s^-2-(4t)^-2
1. 2 answers
2. 801 views
Simplify:(1)/(z-4)-(1)/z+4
1. 1 answer
2. 282 views
Simplify:(x)/(x-1)-(1)/(x+1)
1. 1 answer
2. 292 views
Simplify:(1)/u^2-(2u)/(1)/(u^2-4)
1. 1 answer
2. 253 views
Simplify:(1)/(t^2+t)+(1)/(t^2-t)
1. 1 answer
2. 318 views
Simplify:(a-b)/(a^-1-b^-1)
1. 1 answer
2. 297 views
Solve each open sentence.x-5/9<or=to2x/15-2/5
1. 1 answer
2. 286 views
How much water must be evaporated from a 300 L tank of 2% salt solution to obtain a 5% solution?
1. 1 answer
2. 711 views
Lina Chen invested $24,000, part at 8% and the rest at 7.2%. How much did she invest at each rate if her income from the 8%
1. 1 answer
2. 967 views
Simplify:2x+5/4x^2+2x-5/10x
1. 1 answer
2. 323 views
Simplify:1/y^2-y-2+1/y^2+y
1. 5 answers
2. 312 views
Simplify:4s^-2-(4t)^-2
1. 3 answers
2. 338 views
Simplify:1/u^2-2u-1/u^2-4
1. 4 answers
2. 306 views
Simplify:x+2/x^2+x-2/2x
1. 1 answer
2. 278 views
Simplify:1/u^2-2u-1/u^2-4 Please Show All Work!
1. 1 answer
2. 364 views
Simplify:2x+5/4x^2+2x-5/10x Please Show All Work!
1. 1 answer
2. 317 views
Simplify:2x+5/4x^2+2x-5/10x Please Show All Work!
1. 1 answer
2. 673 views
Simplify:x+2/x^2+x-2/2x Please Show All Work!
1. 2 answers
2. 642 views
Simplifyâˆš(4 to the-1 power 3to the-2 power)
1. 1 answer
2. 401 views
Simplifycubed root of 4 times 8 to the -1 power âˆ›(4*8âˆ«â–’ã€–-1ã€—)
1. 1 answer
2. 367 views
Simplifyâˆš(ã€–(4)ã€—^(-2)+(3)^(-2)
1. 1 answer
2. 300 views
Simplifycubed root((3-4)to the-1 power)
1. 1 answer
2. 351 views
simplifycubed root of 375 a to the 5 power
1. 1 answer
2. 367 views
Simplifycubed root of 135
1. 1 answer
2. 372 views
Simplifycubed root of 135
1. 2 answers
2. 530 views
solve. If the equation has no real solutions, say so.Square root of 3x+4= x
1. 1 answer
2. 597 views
Solve.Square root of 3x+4=x
1. 4 answers
2. 341 views
Solve.Square root of 3x+4=x BobPursely can you please show me the work
1. 3 answers
2. 373 views
Solve the problem. Round answer to the nearest hundredth. Please Show All Work!Suppose a pool has dimensions 12 ft. by 30 ft. A
1. 1 answer
2. 404 views
Solve the problem. Round the answer to the nearest hundredth. Please Show All Work!A garden is currently 4 meters wide and 7
1. 5 answers
2. 569 views
Solve by using the quadratic formula. Please Show All Work!4x(x+3)=15
1. 3 answers
2. 804 views
Solve the equation using the method that seems easiest. Please Show All Work!x^2+12=0
1. 1 answer
2. 408 views
Solve the problem using the "z" method. Please Show All Work!u^4+6=-5u^2
1. 1 answer
2. 325 views
Two cards are drawn at the same time from a 52-card deck. Dind the probability of each event.a) both cards are jacks b) both
1. 2 answers
2. 509 views
A coin is tossed three times. Find the probability of each event.a) at least two tosses come up tails. b) at least one toss
1. 2 answers
2. 490 views
A coin is tossed three times. Find the probability of each event.a) at least two tosses come up tails. b) at least one toss
1. 3 answers
2. 731 views
From a 52-card deck a card is drawn and then replaced. After the deck is shuffled, a second card is drawn. Find the probability
1. 4 answers
2. 1,615 views