Hello Friends, I could not do a number of question on the calulator and some questions on number sense that I need help on. Last time you helped me with estimates and I thought I got it but I still could not do some again this time. Number sense questions
Estimate 2010-1245+785 240134/796 12*13*14 square root of 524347 29square + 30square+31square 3 square root of 1720000. I thought that this meant (1720000) to the power 1/3. Then I could not move any further. 5789*603*248 Regular questions(not estimates) A circle with radius 7mm has a circumference of k* Pie mm. K = ? 12 quarters + 20 dimes = ? x is to 8 as 12 is to 30. x = ? the product of the LCM and GCD of 64 and 76 is ? 300 hours = ? days A right triangle with legs 12 inches and 16 inches has a hypotenuse of ? inches. Is the answer 20? The largest prime divisor of 39cube is ? How many positive integral divisors does 20 have? 286 * 14 = ? (Any trick?) 48 square = ? 1/12 = ? %(mixed number) The square root of 36*49*100 is ? 1 ftcube = ? inch cube 66ft/second = ? miles/hour The surface area of a cube with sides of 5 is ? 1cube+2cube+3cube+4cube = ? The 12th triangular number is ? The area of a trapezoid with base 4cm and 14cm and height 7cm is ?
Calculator questions A fox is 500feet from her target. If she covers on half the distance each time she moves, how many inches from her target will she be in 10 moves? Is there a factorial formulae here?
There are three consecutive integers such that the sum of the first and second equals the sum of the third and -10. What is the smallest integer?
On Sunday, the express train made the trip in 12 hours. On Monday, the freight train made the same trip in 16 hours. WHat was the rate of the express train if the rate of the freight train was 15mph less than the rate of the express train?
Rick takes 3 times as long as his dad to do the yard work. If his dad takes 1 hour and 45 minutes to do the yard work, how long would it take them to do it together?
How many distinct diagonals can be drawn in a polygon with 22 sides?
Diane has a bag with 23 green marbles and 17 blue marbles, all the same size. She randomly draws 3 marbles without replacement. What is the probability that she draws 3 green marbles?
