Posts by elis
Total # Posts: 8

Math
The height of an isosceles triangle is 4 cm. Each of the two equal sides measure 5 cm. What is the area of the triangle? 
Math
A watch loses 30 second hour. If the watch was set right on Sunday at 11:30 p.m. What day and time did it show after 10 hours? 
Math
rectangular water tank whose base is 1.5 m by 0.5 m is to be filled with water 50 litre containers. How many such containers will be required to fill the tank to a height of 1 meter? 
Math
A farmer harvested 144 bags of maize in one season. In the second season the yield increased in the ratio 4:3. The farmer supplied all the bags of maize harvested in the second season equally to three millers. How many bags of maize did each miller get? 
chem
a mixture of NaBr & NaCl has a mass of 2g & found to contain 0.75g of Na. What is the mass of NaBr in the mixture? 
math
differentiate y=(x)^(1/2)e^(x).i need the calculation work. [ans: x^(1/2)e^(x) + 1/2(x^1/2)e^(x)] 
math
differentiate y=4x^2cos x. i need to know the calculation work. (ans: 4x^2sinx  8xcosx) 
phy
You pull upward on a stuffed suitcase with a force of 150 N, and it accelerates upward at 0.760 m/s^2. 1What is the mass of the suitcase? 2What is the weight of the suitcase?