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 Test Calculators and Practice Answers archive Word Problems Lessons In Depth

 Question 471423: If something is on sale for 30% off than 20% off of sale price if it's not 50% what is the formula? Click here to see answer by richard1234(5390)

 Question 471520: the sum of two numbers whose diffrence is 5 is 17 what is the smaller of the two numbers Click here to see answer by ewatrrr(10682)

 Question 471569: Graph function f by starting with y=x^2 f(x)= -x^2-10 Click here to see answer by sofiyac(695)

 Question 471660: A woman has a ladder that is 13 feet long. If she sets the base of the ladder on level ground 5 feet from the side of a house, how many feet above the ground will the top of the ladder be when it rests against the house? Click here to see answer by mananth(12270)

 Question 471669: J charged \$400 to his credit card. His 1st bill has 0 interest, j made a \$20 payment. Then j charged \$18. The 2nd bill, a month later he was charged 2% interest on entire unpaid balance. How much interest was he charged on 2nd bill? Click here to see answer by rfer(12646)

 Question 471809: A right triangle has leg lengths of 12 cm and 16 cm. A line is drawn from the vertex corresponding to the right angle perpendicular to the hypotenuse. How long is this line segment? choose the answer and explain the reason to choose your response 9.6 cm^2 19.2 cm^2 0.9 cm^2 5.8 cm^2 Click here to see answer by stanbon(57224)

 Question 471856: IF u={1,2,3,4,5,6,7,8,9,10,12,14} a={2,4,6,8,10,12} , b={1,3,2,5,8,10,14} . Then find (A INTERSECTION B )' and (a' union b' Click here to see answer by ewatrrr(10682)

 Question 471954: a desert outpost has a water supply that is sufficient to last 21 days for 15 people. at the same average rate of water consumption per person , how many days would the water supply last for 9 people? Click here to see answer by stanbon(57224)

 Question 471982: in the xy plane , line k is a line that does not pass through the origin. which of the following statements individually provides sufficient additional information to determine whether the slope of line k is negative? indicate all such statements. (a) the x intercept of line k is twice the y intercept of line k? (b) the product of the x intercept and the y intercept of the line k is positive? (c) line k passes through the points (a,b) and (r,s) where (a-r)(b-s)<0 Click here to see answer by MathLover1(6614)
 Question 471982: in the xy plane , line k is a line that does not pass through the origin. which of the following statements individually provides sufficient additional information to determine whether the slope of line k is negative? indicate all such statements. (a) the x intercept of line k is twice the y intercept of line k? (b) the product of the x intercept and the y intercept of the line k is positive? (c) line k passes through the points (a,b) and (r,s) where (a-r)(b-s)<0 Click here to see answer by richard1234(5390)

 Question 472103: For what value of x makes the fraction 3x-5 over x+4 undefined? Click here to see answer by jorel1380(2518)
 Question 472103: For what value of x makes the fraction 3x-5 over x+4 undefined? Click here to see answer by MathLover1(6614)

 Question 472106: The length of a rectangular room is 7 less than three times the width ,w,of the room. Which expression represents the area of the room? Click here to see answer by jorel1380(2518)

 Question 472105: What interval notation represent the set of all numbers between 1 and 5,inclusive? Click here to see answer by Edwin McCravy(8880)

 Question 472149: On July 1st geret pond was 25ft deep since that date,the water level had dropped 2/3ft per week, for what dates will the water level not exceed 21ft Click here to see answer by jorel1380(2518)

 Question 472043: My problem is 14x to the 4th Y to the second over 21x to the third y to the third Click here to see answer by edjones(7569)

 Question 471953: a1, a2, a3 , a4............an......... in the sequence above , each term after the first term is equal to the preceding term plus the constant c. if a1 + a3+ a5= 27 , what is the value of a2+ a4? Click here to see answer by richard1234(5390)

 Question 472225: one day the temperature dropped from -1F to -14F HOW WANY DEGREES DID IT DROPPED Click here to see answer by richard1234(5390)

 Question 472218: use multiplying by 1 ro find an expression equivalent to 18/11 with a denominator of 88d Click here to see answer by richard1234(5390)

 Question 472221: The expenses for a certain journey are composed of train, bus snd taxi fares. The taxi fare is 10 times the bus fare and the train fare is 4times the bus fare. The total expenditure is \$30. Find the taxi fare. The taxi fare is 'b'. Show your steps. Click here to see answer by mananth(12270)

 Question 472348: Im doing a extra credit problem an I ddint know how so I googled it and it gave me a step by step saying to do te inverse of some number.. The problem is ln3x + ln2x =9 could you walk me through how to do this please? Click here to see answer by Alan3354(30967)

 Question 472340: Essay: Show all work. Find the following product: (y – 2)^2 Click here to see answer by MathLover1(6614)

 Question 472344: Essay: Show all work. Find the following quotient: 16x^2 – 9y^2/4x + 3y Click here to see answer by richard1234(5390)

 Question 472545: Among all pairs of numbers whose sum is 26, find a pair whose product is as large as possible. What is the maximum product? Click here to see answer by richard1234(5390)

 Question 472571: Find the vertex and intercepts of the following function: f(x)= (x-3)^2 + 2 Click here to see answer by jim_thompson5910(28476)

 Question 472572: Find the vertex and intercepts of the following function: f(x)= 2x^2 + 4x - 5 Click here to see answer by jorel1380(2518)

 Question 472569: For the function f(x) = 12x^3 - 28x^2 + 7x + 12 ; List all possible rational zeros, find all zeros, and list all factors. Click here to see answer by MathLover1(6614)

 Question 472672: The Addition Property of Equality: Solve the problem. 5. Is k = -2 a solution of 5k – 6(k – 1) = 8? Click here to see answer by algebrahouse.com(1079)