Tutors Answer Your Questions about Reduction-of-unit-multipliers (FREE)
Question 117299: i am horrible at math and i am staring blankly at this quiz question
this is the formula: ng/mL * mg / 10^6 ng * 10^3 mL / L. Figuring out the formula is as far as i got.
this is the question:
Convert
5mg/325mg to ng/ml and the answer i am looking for is the conversion to ng/ml.
Thanks i really appreciate the help.
Click here to see answer by MathLover1(6812)   |
Question 120484: Calculate the value of the discriminant of x squared plus 4x plus 4 equals zero
Answer:
Show your work here:
b)By examining the sign of the discriminant in part a, how many x-intercepts would the graph of y=x squared plus 4x plus 4 have? Why?
Answer:
Click here to see answer by stanbon(57967) |
Question 121985: For the following function, C computes the cost in millions of dollars of implementing a city recycling project when x percent of the citizens participate. C (x) = 1.5x/100-x
a) Using this model, approximately what is the cost if 60% of the citizens participate?
Answer:
Show your work here:
b) Using this model, estimate the percentage of participation that can be excepted if $5 million is spent on this recycling project? Set up an equation and solve algebraically. Round to the nearest whole percent.
Answer:
Show your work here:
Click here to see answer by Fombitz(13828)  |
Question 122113: I am horrible at math. Can you please help solve.
Suppose that N= cuberoot x plus 2 models the number of cases of an infection, in millions, of a disease x years from now.
a) Approximately how many cases of the infection will there be 16 years from now?
Answer:
Show your work here:
b) In approximately how many years will there be 7 million cases?
Answer:
Show your work here:
Click here to see answer by ankor@dixie-net.com(15746)  |
Question 136466: For the following function C computes the cost in millions of dollars of implementing a city recycling project when x percent of the citizens participate C(x)=1.3x/100-x. Using this model approximatelywhat is the cost if 40% of the citizens participate? Include units with your answer
Click here to see answer by stanbon(57967) |
Question 139250: The Modern Grocery has cashews that sell for $3050 a pound and peanuts that sell for $2.00 a pound. How much of each must Albert, the grocer, mix to get 60 pounds of mixture that he can sell for $3.00 per a pound? Express the problem as a system of linear equations and solve using the method of your choice.
Click here to see answer by checkley77(12569) |
Question 152353: I had another one before that i got but I don't get this one. I know that 1 Foot per Second = 0.3048 Meters per Second, but i don't know how to use it to find my answer. The question is:
Show and explain how to convert a speed in feet per second into meters per second?
If u could help me i would be very grateful! Thank You
Click here to see answer by jim_thompson5910(28715) |
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