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lynda
Questions (26)
The length of a rectangle is 7 yd more than double the width, and the area of the rectangle is 99 yd^2. find the dimensions of
3 answers
2,347 views
how many grams of NaCl required to prepare in 2500 ppm(w/v) NaCl 250 mL solution
2 answers
2,792 views
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
3 answers
1,898 views
3. Joe and Sue invested $2000 at Bank America in 1995, at 6% compounded quarterly. In the year 2000
they moved to another city
1 answer
937 views
On April 12, Michelle borrowed $5,000 from her credit union at 9% for 80 days. The credit union
uses the ordinary interest
3 answers
2,952 views
doris browning deposited $8000 into a savings account paying 5.25% interest. how long will it take for her investment to grow to
2 answers
1,644 views
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
1 answer
879 views
Math homework please help!!
2. Suppose that people’s weights are normally distributed, with mean 175 pounds and a standard
2 answers
1,054 views
Suppose that people’s weights are normally distributed, with mean 175 pounds and a standard deviation of 6 pounds. Round to
2 answers
1,022 views
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.
1 answer
523 views
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.
1 answer
631 views
2. Suppose that people’s weights are normally distributed, with mean 175 pounds and a standard deviation of 6 pounds. Round to
2 answers
1,534 views
describe the current state of consumer income and interest rates in the u.s.
1 answer
347 views
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
1 answer
975 views
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
2 answers
483 views
calculate3 the concentrationof chloride in water sample Mw using this equation
mol Ag+ = 1= MxVwx10-3 = MxVw mol Cl- 1
0 answers
476 views
mol Ag+ =1 MxVx10-3 MxV
mol Cl- =1 0.01x20.00x103-= 0.2 so MxV=0.2 o9r M=0.2 V M=? mol/L silver nitrate Please then volumes of
0 answers
456 views
a 100ml solution of 0.01M sodium chloride has how many ppm (mg/L) please?
1 answer
394 views
theoretical pH
14-0.5(pKb-log[base]) = ? please help
2 answers
426 views
Find the largest integer k such that the polynomial x2 + 12x + k can be factored into the product of two linear
polynomials, each
0 answers
1,035 views
f a compound has an empirical formula of
C2HCl what is the molecular formula if the molar mass is 179 g/mol?
3 answers
3,915 views
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
2 answers
2,438 views
What is a term for a group of interbreeding organisms living in the same area?
1 answer
470 views
what is Republicationism? Yes it is spelled correctly! Thanks
5 answers
711 views
how many edges are on a cone?
2 answers
423 views
what is a function rule?
0 answers
379 views
Answers (8)
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
i don't understand what information to put in and how to find the percent
are you solving for x?
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
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
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
thanks
it is listed on a social studies final.
