In the figure to the right, the isosceles ΔABC with a base AC and measure of ∠B equal to 36° has angle bisector AD drawn through it. Prove that triangles ∆CDA and ∆ADB are isosceles Question solved general 11 months ago 2328
The number of pages printed before replacing the cartridge in a laser printer is normally distributed to a mean of 11,500 pages and a standard deviation of 800 pages. A new cartridge has just been installed. a. What is the probability that the printer produces more than 12,000 pages before this cartridge must be replaced? b. What is the probability that the printer produces fewer than 10,000 pages? Question solved general 11 months ago 7432
A Norman window is a window with a semi-circle on top of regular rectangular window. What should be the dimensions of the rectangular part of a Norman window to allow in as much light as possible, if there are only 12 ft of the frame material available? Question solved general 11 months ago 7689
1.) Find the value of the discriminant and the the number of real solutions of x^2-8x+7=02.) Find the value of the discriminant and the number of real solutions of2x^2+4x+2=0 Question solved general 11 months ago 1971
What property can be used to solve this equation?6x=72A:Addition property of equalityB:Multiplication property of equalityC:Distributive propertyD:Commutative property Question solved general 11 months ago 7637
What is the determinant of the coefficient matrix of the system Question solved general 11 months ago 9730
Look at the figure. Which trigonometric ratio should you use to find x? cosinetangentsine Question solved general 11 months ago 7969
Danica incorrectly thinks a square is an example of a parallelogram, rectangle, rhombus, and trapezoid. Identify the shape that cannot be classified as a square. Explain. Question solved general 11 months ago 8246
Three whole numbers have a total of 100 The first number is a multiple of 15 The second number is ten times the third number Work out the three numbers Question solved general 11 months ago 7267
*A triangle has sides 42, 4x, and 2x−6. What is the possible range of x?Answer Please. Question solved general 11 months ago 7918
How many square feet bigger is Figure A than Figure B?a. 319.5b. 315c. 4.5d. 5.4 Question solved general 11 months ago 3726
Indicate the equation of the line through (2, -4) and having slope of 3/5.It's more like a fill in the blank sort of thing. Please, I need help right away. Question solved general 11 months ago 2947
Trent is fishing from a pier. • The tip of his fishing rod is 53 3/4 feet above the surface of the water. • The hook on the end of the fishing line is directly below the tip of the fishing rod is 12 2/3 feet below the surface of the water. Trent estimates that the distance between the tip of his fishing rod and the hook is less than 65 feet. Is Trent's estimate reasonable? Question solved general 11 months ago 5224
For what values of a is the value of the binomial 2a−1 smaller than the value of the binomial 7−1.2a by 7? Question solved general 11 months ago 7391
Joanie rolls two 1-6 number cubes 80 times. is it likely she will roll a sum of 5 more than 12 times?F yes,because the probability of rolling a sum of 5 is 1/6 and 1/6×80=13 1/3 which is more than 12.G. yes, because the probability of rolling a sum of 5 is 1/4 and 1/4×80=20 which is more than 12.H. no, because the probability of rolling a sum of 5 is 1/10 and 1/10×80=8 which is less than 12.J. no, because the probability of rolling a sum of 5 is 1/9 and 1/9×80=8 8/9 which is less than 12. Question solved general 11 months ago 2911
Mr. Jones places money into two separate investment accounts. The function f(x) = 2,500(1.078)x models the value of account 1 after x years. The table represents the value of account 2 after x years. Number of Years, x 0 3 4 6 Value, y $2,500 $3,400 $3,700 $4,300 During what year does the value of account 1 exceed the value of account 2? Question solved general 11 months ago 5187