# Posts by Marney

Total # Posts: 8

**Math**

If a hemispherical bowl of radius 6cm contains water to a depth of h cm, the volume of the water is 1/3πh^2(18-h). Water is poured into the bowl at a rate 4 cm^3/s . Find the rate at ehich the water level is rising when the depth is 2 cm.

**Maths**

the distance, s metres, traveled by a car in t seconds after the brakes are applied is given by s=10t -t^2. Show that it's acceleration is constant, find the the distance the car travels before it stops?

**MATH**

could anyone please help me with this question

**MATH**

sorry my name is actually marney but i wanted to stay anonymous so i used a different name before but i know it is ok now so my name is really Marney Ms.Sue ..sorry

**MATH**

Find 3 upper case letters that look the same when rotated 180 degrees. Then, what letter's 90, 180, and 270 degree rotations has this outline? This is also the inside lines formed by the rotation of what letter? and could explain how you did it please i really want to be ...

**math,geometry**

Find 3 upper case letters that look the same when rotated 180 degrees. Then, what letter's 90, 180, and 270 degree rotations has this outline? This is also the inside lines formed by the rotation of what letter? and could explain how you did it please i really want to be ...

**math**

93.5$ because 45+8.50+40 is equal to this...hope this answers your question. :):):):) *Marney

**Math**

Whats 1/5 (one fifth) of 200?