Bridge Course maths Important test

How is borax prepared from boron minerals? Describe its important properties and uses. What is borax bead test?

Using the principle of Wheatstone Bridge, describe the method to determine the specific resistance of a wire in the laboratory. Draw the circuit diagram and write the formula used. Write any two important precautions you would observe while performing the experiment.

In some schools, AP courses, honors coures, and college prep courses carry different weights in the computation of grade point averages. A given grade may carry a weight of 2 in an AP course, a weight of 1.5 in an honors course, and a weight of 1 in a college prep course. Suppose letter grades of A, B, C, D, and F are assigned values of 4, 3, 2, 1, and 0. A student completes 6 courses with grades of a B and a C in 2 AP courses, an A and a C in 2 honors courses, and 2 As in college prep courses. What would that student's grade point average be?

A: When soldier cross a bridge, they are asked to break steps. R: If they do not break steps, then they will apply large force on bridge simutaneously.

{:("Column A" , "A train takes 15 second to cross a","ColumnB"),( , "bridge at 50 mph,and at the same",),( , "speed takes 10 seconds to cross",),( , "the same bridge when the train's length is halved",),("Length of the bridge"," ","Original length of the train"):}

Tony has an A average in his math class and there is one test left. In order to keep the A, he will have to maintain an average test score that is at least 90%. He has completed 5 of the 6 tests and his current average is 91%.Which fo the following scores is th elowest he can earn while still maintaining his A ?

The test grades of the 26 students in a math class are shown in the chart above. What is the median test grade for the clsss?

Rajeev needs a minimum of 360 marks in four tests in a Mathematics course to obtain an A grade. On his first three tests, he scored 88,96,79 marks. What should his score be in the fourth test so that he can make an A grade?