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The quantity of coal supplied changes from 45 000 tons a month to 50 000 tons a month when the price changes from R1 500 to R1 600. Based on this information, which of the following statements are correct?
a.
The percentage change in the quantity of coal supplied is larger than the percentage change in the price of coal.
b.
The percentage change in the quantity of coal supplied is smaller than the percentage change in the price of coal.
c.
The supply of coal is price elastic.
d.
The supply of coal is not price elastic.
Determine the volume of the solid generated when the region bounded by the curve y^2=x^3 and the x-axis, is revolved about the line y=2
What is the consumer surplus and producer surplus for : Qd= 300-3p and Qs= 50+2p
1. What are the electric field and electric flux of a sphere with a radius of 0.500 m and carries a charGe of +1.00 uc at its center?
IP Address Correction Find the firstaddress, last address and the number ofaddresses of a network whose one of the IPaddresses is 72.250.220.112/27. kindly use thisIP in your assignment`
Let (X,Y) be a two-dimensional continuous random variable with joint P.d.f
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(๐ฅ,๐ฆ) = {
2 , 0 < ๐ฅ < ๐ฆ < 1
0 , ๐๐กโ๐๐๐ค๐๐ ๐
Find the marginal distribution for X and Y ?
Calculate the pH of the resulting solution then the original solution is mixed with 75.0 mL of 0.200 sodium acetate solution. **Write answer in THREE SIGNIFICANT FIGURES.
Consider independent random variables Zi โผ N(0, 1), i = 1, โฆ, 16, and let Z be the sample mean. Find:
a) P[Zbar <1/ 2].
b) P[Z1 โ Z2 < 2].
c)P[Z1 + Z2 <2].
The mother brought Kimmy to her pediatrician. The mother told the doctor that Kimmy got the following vaccinations โ BCG, DPT, Hepatitis B, Hib, Pneumococcal, and MMR. What are the diseases that Kimmy is protected against based from her vaccine history?
a. for the top and bottom of the box costs P30 per square centimeter and the material for the sides cost P15 per square centimeter. Find the dimensions of the box so that the total cost of material is the least possible and all its dimensions do not exceed 20cm.
