Math
A set of 12 identical metal ballbearings was made from 10 cm^3 of metal. Calculate the radius of each ball bearing.
Math
Two pieces of leather in the shape of the number 8 are used to make the surface of the ball used in the game of softball. The radius of the softball is 3.6 cm. What area of leather is required to make one of the figure 8 pieces?
Math
Phillips used 125, 130, 135, 140 and 145 as class centres. What class intervals did she use? Or do u need to see the graph to solve this?
Economics
"The government decides to increase tax- (ceteris parabis)". -> what is the effect of this in an economy?
Biology
In class, I did an experiment with water and iodine solution in a beaker and also starch in a dialysis tube tied and placed in the beaker. There were discussion questions I couldn't answer surely... please check my answers. 1. a)Use your results to determine the direction ...
Math
(COMPOUND INTEREST) Effie is planning to set up a trust fund for her new grand daughter. In 18 years time she wants the investment to be worth $50000 to help her buy a car or a home unit. a)How much should she invest at 5% p.a. compounding yearly? --I know the answer for this ...
Economics
What does this sentence mean? "Economies of scale are experienced when average costs per unit of production fall as the size of output grows"
Math
Compound interest question: When Aaron invested $100 at 4.5% p.a. annually compounding, it amounted to $142.21. For how many years was it invested? Is there a way to solve this question without using the formula for compound interest?
Biology
can anyone send me a website link to a Monocot and Dicot Leaf and Stem cells under a microscope? (not cross section) Also, do they both have a cell nucleus?
Math
a) Maria collects stamps. During a Philatelic (stamp) show and sale she increased the number of stamps in her collection by 3% when she bought 24 stamps. How many stamps did she have in her collection after she added the 24 new ones? b) In an 'End of Lease' sale the pr...
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