lynda

how many edges are on a cone?

16 years ago

what is Republicationism? Yes it is spelled correctly! Thanks

16 years ago

What is a term for a group of interbreeding organisms living in the same area?

15 years ago

If a compound consists of 41.39 % carbon, 3.47 % hydrogen and 55.14 % oxygen what is the molecular formula if the molar mass is 116.07 g/mol?

15 years ago

f a compound has an empirical formula of C2HCl what is the molecular formula if the molar mass is 179 g/mol?

15 years ago

theoretical pH 14-0.5(pKb-log[base]) = ? please help

13 years ago

a 100ml solution of 0.01M sodium chloride has how many ppm (mg/L) please?

13 years ago

if a membrane filter from a cigarette weighs 0.0313g bfore sample has been drawn through and 0.0548g after what is the weight of particluate matter on filter in g and mg/cigarette ? Volume of air sucked through=32x50ml=?mL=?L concentration of particulate...

13 years ago

calculate the concentration of silver nitrate in mol/L M x V =0.2 average Vw in ml of 2.23 2.26 2.43 MxVw = Mwx20 Mw=? mol/L chloride in water sample = mmol/L? =?g/L chloride in sample =?ppm chloride in water sample

13 years ago

describe the current state of consumer income and interest rates in the u.s.

13 years ago

2. Suppose that people’s weights are normally distributed, with mean 175 pounds and a standard deviation of 6 pounds. Round to the nearest hundredth of a percent a. What percent of the population would weigh between 165 and 170 pounds? b. What percent of...

11 years ago

The weight of a can made from a machine is normally distributed with a mean of 25 grams and a standard deviation of 0.4 grams. What percentage of the cans from this machine would not meet the minimum required weight of 24 grams? Round to the nearest hundr...

11 years ago

Math homework please help!! 2. Suppose that people’s weights are normally distributed, with mean 175 pounds and a standard deviation of 6 pounds. Round to the nearest hundredth of a percent a. What percent of the population would weigh between 165 and 170...

11 years ago

Scott had an average of 83 on his first three exams. He later scored an average of 92 on the next six exams. What is his average for all nine exams. Round to the nearest tenth if necessary.

11 years ago

doris browning deposited $8000 into a savings account paying 5.25% interest. how long will it take for her investment to grow to $10,100. The answer i got was 4yr 11mo 30 days but that is wrong someone please help

11 years ago

On April 12, Michelle borrowed $5,000 from her credit union at 9% for 80 days. The credit union uses the ordinary interest method. a. What is the amount of interest on the loan? $90 b. What is the maturity value of the loan?$5090 c. What is the maturity d...

11 years ago

3. Joe and Sue invested $2000 at Bank America in 1995, at 6% compounded quarterly. In the year 2000 they moved to another city and took the total money from their first investment added $500 and invested it at Bank Bravo, at 7% compounded quarterly. a. Wh...

11 years ago

the first third and ninth term of a linear sequence are the first three terms of an exponential sequence.if the 7th term of the linear sequence is 14 calcuate the 20th term of the linear sequnce

10 years ago

how many grams of NaCl required to prepare in 2500 ppm(w/v) NaCl 250 mL solution

8 years ago

thanks

16 years ago

it is listed on a social studies final.

16 years ago

sorry 0.1 M NH4OH has pH 9.8 so I need the theoretical pH for 14 - 0.5(pKb-log [base])=? also 0.1 M HAc pH=2.5 theoretical pH 0.5 (pKa-log [acid])= ? Gratefull for help

13 years ago

weight of particluate on filter 0.0235g = 23mg/cigarette volume of air sucked through 32x50ml= 1600ml =1.6 l I cant figure how to do this concentration of particulate matter= ?mg/l = ? mg/m3 help appreciated

13 years ago

that is all my worksheet says, im supposed to figure out the percent... not sure how to use the normal curve and im getting all messed up i don't know how to figure the percent

11 years ago

are you solving for x?

11 years ago

i don't understand what information to put in and how to find the percent

11 years ago

i used this page for these answers and they came up all wrong, i don't understand how to use the information given to calculate the percent

11 years ago