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Question 466134: x+1/x-1
________
1+1/x-1
Click here to see answer by ewatrrr(24785)

Question 466137: Solve:
3/x-2=12/2x-1
Click here to see answer by ewatrrr(24785)

Question 466190: Determine whether the point (0, 8) is a solution of the system
-3x + 9y = 72
9x + 3y = 24
by substituting the point into each equation.

Click here to see answer by Alan3354(69443)

Question 465439: What is pi
Click here to see answer by richard1234(7193)

Question 466288: factorise 5x + 10
Click here to see answer by rfer(16322)

Question 466349: There are four students, all of different hieghts, who are to be randomly arranged in a line. What is the probability that the tallest student will be first in line and the shortest student will be last in line?
Click here to see answer by sudhanshu_kmr(1152)

Question 466412: Find the midpoint between the points A (-2, 10) and B (-8, 18). please
Click here to see answer by Gogonati(855)

Question 466464: If a =/ 0 and the sum of x and 1/a is 0, then. (A) x = -1/a (B) x = -a (C) x = 1-a (D) x = a
Click here to see answer by stanbon(75887)

Question 466389: ab= 6b + cd (Solve for a)
Click here to see answer by nerdybill(7384)

Question 466456: Which expression must be added to 3x - 7 to equal 0? (A) 0 (B) 3x + 7 (C) -3x + 7 (D) -3x - 7
Click here to see answer by Theo(13342)

Question 466547: The ratio of males to female students is 2 to 5. If there is a total 4410 students, find the number of male and female students
Click here to see answer by stanbon(75887)

Question 466585: If 2x + 5= -25 and -3m - 6= 48, what is the product of x and m? (A). 270. (B). -33. (C). 3. (D). -270
Click here to see answer by rfer(16322)

Question 466583: The expression 5x/6 + x/4 is equivalent to. (A) 13x/12. (B) 3x/5. (C). 5x to the second power/10. (D). 5x/24
Click here to see answer by Gogonati(855)

Question 466682: What is the value of x in the equation x/2 + x/6 = 2 ? (A). 3. (B). 1/4. (C). 8. (D). 12
Click here to see answer by mananth(16946)

Question 466683: If rain is falling at the rate of 2 inches per hour, how many inches of rain will fall in x minutes? (A). 30/x. (B). x/30. (C). 60/x. (D). 2x
Click here to see answer by ilana(307)

Question 466721: the area of a equilateral triangle is numericaly equal to its perimeter find its perimeter correct to 2decimal places

Click here to see answer by mananth(16946)

Question 466800: Find the area of a square with a perimeter of (24a) mm
Click here to see answer by ankor@dixie-net.com(22740)

Question 466811: A dehydrated patient needs a 6.8% saline IV. Unfortunately, the hospital only has bags of 4% and 7% saline solutions. How many liters of each of these solutions should be mixed together to yield 3 liters of the desired concentration?
Click here to see answer by stanbon(75887)

Question 466810: To buy both a new car and a new house, Tina sought two loans totalling $332,888. The simple interest rate on the first loan was 8.9%, while the simple interest rate on the second loan was 6.0%. At the end of the first year, Tina paid a combined interest payment of $20,230.51. What were the amounts of the two loans?
Click here to see answer by rfer(16322)

Question 466895: Your question goes here. Write clearly! We are not mind readers, so be sure to ask a question that we can understand.
Click here to see answer by Big Poop(157)

Question 466897: How many km can a car travel in 2 hours if it speed is 40 km
Click here to see answer by rfer(16322)

Question 466897: How many km can a car travel in 2 hours if it speed is 40 km
Click here to see answer by Big Poop(157)

Question 466901: Which expression is rational? (A). square root of 1/4. (B). square root of 3. (C). square root of 1/2. (D). sqaure root of pie
Click here to see answer by robertb(5830)

Question 466808: Select the set of equations that represents the following situation: The cost of six CDs and twelve DVDs is $73.26; and the cost of thirteen DVDs and twelve CDs is $140.11. How much do a CD and a DVD cost?
6x + 12y = 73.26; 13x + 12y = 140.11
6x � 12y = 73.26; 12x � 13y = 140.11
6x � 12y = 73.26; 13x � 12y = 140.11
6x + 12y = 73.26; 12x + 13y = 140.11

Click here to see answer by stanbon(75887)

Question 466805: Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this.
-5x � 7y = 25.5
-2x + 10y = -9

Click here to see answer by stanbon(75887)

Question 466902: If a United States dollar is worth $1.41 in Canadian money, how much is $100 in Canadian money worth in United States money, to the nearest cent?
Click here to see answer by robertb(5830)

Question 466944: |7-3|=?
Click here to see answer by Big Poop(157)

Question 466803: Solve using the substitution method. Show your work. If the system has no solution or an infinite number of solutions, state this.
-8x � 4y = -68
x + 3y = 16

Click here to see answer by mananth(16946)

Question 467054: 2(x-3) 2x-6 are these expressions equal
Click here to see answer by algebrahouse.com(1659)

Question 467115: 6. What is the radius of the circle whose equation is x2 + y2 = 52? Round your answer to the nearest hundredth
Click here to see answer by Alan3354(69443)

Question 466043: A 12-foot tree casts a 16-foot shadow. How many feet tall is a nearby tree that casts a 20-foot shadow at the same time?
Click here to see answer by gwendolyn(128)

Question 467187: Pxpxp2
Click here to see answer by Big Poop(157)

Question 467085: simplify
9m+3n/3m+n=
Click here to see answer by poliphob3.14(115)

Question 467382: A tire for a compact car measures 25 inches in diameter. The car is traveling at a speed of 55 mph. Find the nearest integer, the number of revolutions per minute, RPM, the tire makes.
Click here to see answer by jorel1380(3719)

Question 467423: Simplify:
3 square root 16
is it 7
12
48
24
Click here to see answer by jim_thompson5910(35256)

Question 467443: Find 3rd,4th,5th terms of (a+b)^9

Click here to see answer by robertb(5830)

Question 467461: Seth bought a used car that had been driven 20,000 miles. After he owned the car for 2 years, the total mileage of the car was 49,400. Find the average number of miles he drove each month during those 2 years.
Click here to see answer by jorel1380(3719)

Question 467472: There are 357 seniors in Harris High School. The ratio of boys to girls is 7:10. How many boys are in the senior class? (A). 117. (B). 147. (C). 107. (D). 210
Click here to see answer by algebrahouse.com(1659)

Question 467636: Hi i need help with ny practice test that my teacher gave me and is big package and im doing " Percent Word Problems"
1.what percent of 126 is 22 ?
2. what percent of 137.4 is 96?
3.79.9 is 90% of what ?
4.73% of what is 156.4 ?
Click here to see answer by rfer(16322)

Question 467667: 2x-14 is what an equation or inequality ?
Click here to see answer by Alan3354(69443)

Question 467525: How can I find the square root of 181 by factoring? Thank you.
Click here to see answer by ankor@dixie-net.com(22740)

Question 467832: Can u help with math
Click here to see answer by robertb(5830)

Question 467710: 2+2
Click here to see answer by gwendolyn(128)

Question 467845: A cable 20 feet long connects the top of a flagpole to a point on the ground that is 16 feet from the base of the pole. How tall is the flagpole? (A). 8ft. (B). 10ft. (C). 12ft. (C). 26ft
Click here to see answer by mananth(16946)

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