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 Test Calculators and Practice Answers archive Word Problems Lessons In Depth

 Question 491896: Write the equation of the line below: (0,5);m=3/4 Click here to see answer by richard1234(5390)

 Question 491932: Use the intercepts to graph the equation x+5y=10 Click here to see answer by lwsshak3(6519)

 Question 491931: Find the slope if it exist, of the line containing the pair of points (2,9)and (10,-7) simplify your answer Click here to see answer by lwsshak3(6519)

 Question 491928: Amy paid \$60.96 for a pair of running shoes during a 15% off sale. What the regular price round to the nearest cent Click here to see answer by mananth(12270)

 Question 492005: How do I solve for x in this equation? x + 12/x = 7 Click here to see answer by nerdybill(6962)

 Question 492117: I'm doing my math homework, and there is one question I do not know how to solve. How do you solve: -4=2/5a Click here to see answer by Theo(3464)

 Question 492111: Hi, I really need help with this please? A 15-ft diagonal brace on a bridge connects a support of the center of the bridge to a side support on the bridge. The horizontal distance that it spans is 3 ft longer than the height that it reaches on the side of the bridge. Find the horizontal and vertical distances spanned by this brace. Click here to see answer by Theo(3464)

 Question 492243: Please help me. 400 people were at a baseball game. Student tickets are \$2. Adult tickets are \$3. Total ticket sales were \$1050. How many of each tickets were sold. Click here to see answer by srw491(2)

 Question 492244: A koala eats an average of 2.5 pounds of leaves a day. If a small tree had 30lbs. of leaves on it. How m as my days wiil the leafs last? Click here to see answer by srw491(2)

 Question 492387: -2x-18=4x It's been a while since high school, I used to know how to do this simple equation but the years got to me now. Click here to see answer by stanbon(57379)

 Question 492413: The mean of 22,19,25,and x is 23. Find x. Click here to see answer by rfer(12666)

 Question 492014: To get a C in history, Nandan must average 74 on four tests. Scores on the first three tests were 69, 75, and 60. What is the lowest score that Nandan can get on the last test and still receive a C? Please help me!!!!!!Thanks a lot Click here to see answer by ankor@dixie-net.com(15660)

 Question 492650: I just took a math test and was disappointed to see that I got a "C." I had worked very hard and I DID feel confident in my abilities. Luckily, if I correct my test, I can have the opportunity to retake it and get up to an 80%. I simply need someone to show me how to do the problems I missed and explain what I did wrong. Here are the questions: 2x^-4/(over)8x^-2 I got 4x^-2. I divided two into eight and had 4 leftover and then used the division of exponent rules (which I obviously used wrong). PLease explain. :) #2 (3x^4y^-2/{over}4x^-5)^-2 I powered everything by the negative 2 first, and got 9x^-8y^-4/{over}16x^10, simplified and finally got 9/{over} 16x^2y^4 #3 1/4 + 3/8 = 3/4 I multiplied the whole thing by 4/1 and got 1+6y=3, used the addition method, divided by 6 and got y=1/3 #4 x-6 in absolute value lines is less than or equal to -8 I worked this out as a conjunction and got 14 is less than or equal to x is less than or equal to -2. I know the answer is no solution now, I just don't understand why. Could you please explain? Thank you. Click here to see answer by chessace(471)

 Question 492645: How can I build up the fraction so that it is equivalent to the fraction with the indicated denominator? 7/6=?/54 Click here to see answer by chessace(471)

 Question 492766: I don't really know how to type this problem but I need help with this inequality | 4t-3 | is less than or equal to 7 Click here to see answer by stanbon(57379)

 Question 492979: Hi, can someone help me please? I really need help... Completely factor the expression 98x2 + 84xy + 18y2 Click here to see answer by Alan3354(30993)

 Question 493447: X-1, X-5, which one is greater and why. Click here to see answer by stanbon(57379)

 Question 493770: I have a math word problem that I don't get. The air around you puts pressure on your body equal to 14.7 pounds per square inch(psi). When you are under water, the water exerts additional pressure on your body. For each foot you are below surface o water, the pressure increases by 0.445 psi. A) What does 14.7 represent on the expression 14.7+0.445d? B) what does d represent in the expression? Click here to see answer by stanbon(57379)

 Question 494110: The lengths of the sides of a rectangle are in the ratio 5 : 3. The perimeter is 32 cm. What are the dimensions? Click here to see answer by rfer(12666)

 Question 494317: Sorry its soon late my child needs help with solving her Algebra homework can you help us please? The problem is 8cn-9c+18c-14c+11cn-8c+15cn+14cn-6c+10c Click here to see answer by chessace(471)