Abdela said yimer

A girl enrolling in typing class type 60(x+1)/x+9 words per minute after x weeks of lesson. Determine the maximum possible number of words the girl can type as time passes

When tuning a piano, a musical play a note that should be at 110 Hz while at the same tapping 110 Hz tuning fork and holding it next to the string. He hears beats at 4 Hz. (A) state and explain what frequencies the piano could be producing (b) explain how...

If {gn} is a geometric sequenc with gn > 0 for all n is an element of natural number,then prove that {ln gn} is an arthnetic sequence

Find the sum of all 3 digit whole numbers that are divisible by 13.

In an arthmetic sequence, the fourth term is 84 and the tenth term is 60. Find the maximum possible partial sum.

A ball is droped from a height of 16 m on each bounce, it rebounds 0.5 of the distance it fell how far has the ball traveled. When it hits the ground for the fifth term?

For any pair of non negative integers a and b, show that the arthmetic mean between a and b is greater than or equal to the geometric mean bdtween them.

How mamy geometric means are needed bdtween 2 and 1458 so that the sum of the resulting sepuence be 2186?

Complete with a suitable discourse markers My marks have been improving steadily.______I have had several successes on the sports field.

An object of mass m moving with initial speed of 15 m/s got an acceleration of 10 m/s^ after a constant force F is applied to it. How long does it take for the object to reach 90 meters from its initial position?

Suppose vector A=3i-2j, B= -i-4j and vector C are three vectors in xy plane with the property that vectors A+B-C. What is the unit vector along vector C?

F=l/7