# Posts by CrissyXD

Total # Posts: 21

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 ...

Math
A loaf of bread was shared by four people. The amounts they each received were in the ratio of 2/3 : 1/2 : 1/3 : 1/4. What fraction of the loaf of bread did each person receive?

Science
1. These are a few descriptor words that we use to describe some organisms: carnivore herbivore scavenger carrion detrital feeder decomposer filter feeder producer Choose words which can be applied to: a) sandworm (Parchment Worm) b) soldier crab c) semaphore crab

Mathematics
Last year Jim's gross weekly pay was \$920 and he received \$520 in bank interest. HIs taxation deductions totalled \$1370. a) Calculate Jim's gross income for last year. b) How much was Jim's taxable income? c) Jim's Medicare levy was 1.5% of his taxable income. ...

The "Baby Boomers" are nearing retirement age. What affect might this have on the productive capacity of a country's labour force?

For the number of employed people, why would there be so few labourers and so many professionals?

Mathematics
Anthony uses 1.2 metres of leather and one buckle when he makes a leather belt. He can make 15 belts per hour and he values his labour \$11 per hour. Anthony buys his supplies in bulk. The leather comes in rolls 50 metres long at a cost of \$180 per roll and the buckles come in ...

Biology
In my HW, it asked to explain how the salinity of water changes in an estuarine environment.... this is a totally new question for me, please help...

Math (Earning Money)
I know that calculating overtime rate for time and a half is 1.5 and double time is 2 and triple is 3 and so on... however my HW math question said "he is paid DOUBLE TIME AND A HALF on Saturdays..." So what number will I multiply with the number of hours and normal ...

Physical Education
sorry... physical and emotional???

Physical Education
How could abuse victims access support services?

Math
This question is about equations reducible to quadratics: Gerald hits his golf ball down the fairway. The path the ball followed was parabolic in shape with the relationship: h=2d-1/30d^2 where h is the height above the ground of the golf ball when it is a horizontal distance ...

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