clarkexo
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 23
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Questions Asked

clarkexo:
Group Title
A person is running at the rate of 9.0 km/h on a horizontal street directly toward the foot of a tower 300 m high. How fast is the person ap…
 updated 11 months ago
 No Medals Yet
Mathematics

clarkexo:
Group Title
The symbol for apparent weight is W, the symbol for mass is m, the symbol for the magnitude of the acceleration due to gravity is g and the …
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

clarkexo:
Group Title
If logb88 + logb8 = logbanswer, then what is the answer?
…
 updated one year ago
 5 replies
 1 Medal
Mathematics

clarkexo:
Group Title
Find the period and the frequency of a sine wave that has an angular velocity of 43.7 rad/s.
Round your answers to three significant digit…
 updated one year ago
 5 replies
 1 Medal
Mathematics

clarkexo:
Group Title
On a highway curve with radius 44 m, the maximum force of static friction (centripetal force) that can act on a 1,023kg car going around th…
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

clarkexo:
Group Title
what effect does chain length have on refractive index?
 updated one year ago
 No Medals Yet
Mathematics

clarkexo:
Group Title
what effect does chain length have on refractive index?
 updated one year ago
 No Medals Yet
Mathematics

clarkexo:
Group Title
log (x^236) 1= log (x+6)
Solve for X.
 updated one year ago
 18 replies
 1 Medal
Mathematics

clarkexo:
Group Title
Find two positive numbers whose difference is 8 and the sum of whose squares is 914.
Give the answers in ascending order
 updated one year ago
 22 replies
 1 Medal
Mathematics

clarkexo:
Group Title
Please explain!
The number of cells in a bacterial population is N= 4 x 10^3 e ^0.223t given by the equation where the time is in hours. …
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

clarkexo:
Group Title
please show steps!
x/y+y/6=10
…
 updated 2 years ago
 No Medals Yet
Mathematics

clarkexo:
Group Title
Write an expression, in term of x, for the volume of the box using the equation below.
Simplify your answer as much as possible. Length = …
 updated 2 years ago
 No Medals Yet
Mathematics

clarkexo:
Group Title
If 11 L of a 1.4 mol/L hydrochloric acid (HCl) solution is mixed with 3 L of a 0.75 mol/L HCl solution, How many moles of HCl are in the fin…
 updated 2 years ago
 4 replies
 1 Medal
Mathematics

clarkexo:
Group Title
In a first race, A gives B a headstart of 24 m and overtakes him in 4.00 min. In a second race he gains 250 m on B when B runs 3000 m. Find …
 updated 2 years ago
 No Medals Yet
Mathematics

clarkexo:
Group Title
Two gasohol mixtures are available, one with 6.35% alcohol and the other with 11.28% alcohol. How many litres of the 6.35% mixture must be a…
 updated 2 years ago
 2 replies
 1 Medal
Mathematics

clarkexo:
Group Title
If y is inversely proportional to the square of x and y is 153 when x is 28.0, find y when x is 100.
Round to 3 significant digits
 updated 2 years ago
 4 replies
 1 Medal
Mathematics

clarkexo:
Group Title
The labour costs for a certain project were $3280 per day for 16 technicians and helpers. If each technician earned $210/day and each helper…
 updated 2 years ago
 No Medals Yet
Mathematics

clarkexo:
Group Title
If (2x – 9) equals 25, what does (6 + x) equal?
 updated 2 years ago
 6 replies
 1 Medal
Mathematics

clarkexo:
Group Title
Find three consecutive integers whose sum is 186
 updated 2 years ago
 6 replies
 1 Medal
Mathematics

clarkexo:
Group Title
The power generated by a hydroelectric plant is directly proportional to the flow rate through the turbines, and a flow rate of 5570 imperia…
 updated 2 years ago
 2 replies
 1 Medal
Mathematics

clarkexo:
Group Title
A person spends 1/3 of her annual income for board, 1/12 for clothes, and 1/3 for other expenses, and saves $7,000. What is her income?
 updated 2 years ago
 3 replies
 3 Medals
Mathematics

clarkexo:
Group Title
If y is inversely proportional to the SQUARE of x and y is 153 when x is 28.0, find y when x is 100.
 updated 2 years ago
 2 replies
 2 Medals
Mathematics

clarkexo:
Group Title
If y varies inversely as x, and y is 352 when x is 829, find y when x is 234.
Round your answer to the nearest integer.
 updated 2 years ago
 9 replies
 4 Medals
Mathematics

clarkexo:
Group Title
The concentration of a chemical solution is often described as the number of moles of compound per litre of total solution (mol/L). If 11 L …
 updated 2 years ago
 1 reply
 1 Medal
Mathematics

clarkexo:
Group Title
A concrete mixture is to be made which contains 33% sand by weight, and 625 kg of mixture containing 26% sand is already on hand. How many k…
 updated 2 years ago
 No Medals Yet
Mathematics

clarkexo:
Group Title
RCF=[(rpmx2pi)/60]^2 x r/980 How would I rearrange this to solve for rpm? Please show steps! Thanks :
 updated 2 years ago
 9 replies
 1 Medal
Mathematics

clarkexo:
Group Title
RCF=[(rpmx2pi)/60]^2 x r/980
How would I rearrange this to solve for rpm?
Please show steps! Thanks :)
 updated 2 years ago
 No Medals Yet
Mathematics

clarkexo:
Group Title
how many mm are there in 25 micrometers
 updated 2 years ago
 2 replies
 No Medals Yet
Mathematics

clarkexo:
Group Title
how many mm are there is 25 micrometers?
 updated 2 years ago
 No Medals Yet
Mathematics

clarkexo:
Group Title
SOMEONE WHO'S GOOD AT DILUTION PROBLEMS!
using a 50 mL volumetric flask, prepare the following solutions..starting with the prepared stock …
 updated 2 years ago
 2 replies
 1 Medal
Mathematics
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