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Questions Answered

ihatepeas:
Group Title
Determine the point(s) at which the given function f(x) is continuous. f(x)=8x3+6sin(2x)
The answer is (infinity,infinity).
Anyone know…
 updated 3 years ago
 2 replies
 No Medals Yet
Mathematics

pamelakt:
Group Title
the known rate of usage of a particular illicit drug is 3% (a random sample of the population would find that 3% of the people are current…
 updated 3 years ago
 1 reply
 No Medals Yet
Mathematics

pamelakt:
Group Title
on campus, off campus, totals
below 2.5 gpa 98 84 182…
 updated 3 years ago
 1 reply
 No Medals Yet
Mathematics

thaheckster:
Group Title
How do I find the greatest common factor of something like 117 and 195? Whats the easiest way?…
 updated 3 years ago
 11 replies
 No Medals Yet
Mathematics

james516:
Group Title
Ron lives in the city, and the Zscore of his last month’s long distance telephone charges was –2.8.
 updated 3 years ago
 1 reply
 No Medals Yet
Mathematics

riyor:
Group Title
Use the general formula to write the area A of the enclosure as a function of w (that is, only
the variable w should appear in the functio…
 updated 3 years ago
 48 replies
 2 Medals
Mathematics

Jackywu23:
Group Title
sum n=1 to Infinity (9)^n1/2^n, converges or diverges
 updated 3 years ago
 5 replies
 No Medals Yet
Mathematics

dryicegrl:
Group Title
The windchill index is modeled by the function below where T is the temperature (°C) and v is the wind speed (km/h).
W = 13.12 + 0.6215T …
 updated 3 years ago
 16 replies
 1 Medal
Mathematics

dryicegrl:
Group Title
The temperature at a point (x,y) on a flat metal plate is given by T(x,y)=19/(2+x^2+y^2), where T is measured in Celsuis and x,y in meters.…
 updated 9 months ago
 1 reply
 1 Medal
Mathematics

mease:
Group Title
The equation of the line parallel to the line with equation y= 1/2x and containing the point (1,3) is_______.
a. y=1/2x + 5/2
b. y= 2x+5…
 updated 3 years ago
 2 replies
 No Medals Yet
Mathematics

daltiano4l:
Group Title
It takes Sally 6 hours longer than Joan to paint a room. Working together, they can paint the room in 4 hours. How long would it take each …
 updated 3 years ago
 2 replies
 1 Medal
Mathematics

whatisthequestion:
Group Title
Use Pascal's triangle to find the number of ways to choose 5 pens from 7 pens
 updated 3 years ago
 10 replies
 No Medals Yet
Mathematics

ttsmith7394:
Group Title
hey, im in 9th and need help with algebra; trinomials. if you cold help me that would be great. thanks,
 updated 3 years ago
 3 replies
 No Medals Yet
Mathematics

sss:
Group Title
16x^2=160…
 updated 3 years ago
 5 replies
 No Medals Yet
Mathematics

pnuttcer:
Group Title
Graph y= ½x 5
 updated 3 years ago
 1 reply
 1 Medal
Mathematics

Leah:
Group Title
Mr. Ross bought 1.5 pounds of tomatoes for spaghetti sauce and 8 ounces for salad. Tomatoes cost $2.49 a pound. How much did Mr. Ross pay…
 updated 3 years ago
 7 replies
 No Medals Yet
Mathematics

Bobby_D._Williams:
Group Title
The sum of three consecutive integers is 120. What are the integers.
Find three consecutive integers such that the sum of the first and th…
 updated 3 years ago
 2 replies
 No Medals Yet
Mathematics

AngelDreamGirl:
Group Title
Simplify & Solve:
x+x+10+2x10=180…
 updated 3 years ago
 3 replies
 2 Medals
Mathematics

mathater:
Group Title
Need help with the final step:: Let the function f(x) be defined by the equation y = f(x), where x and f(x) are real numbers.
f(x) = 4 − x…
 updated 3 years ago
 3 replies
 No Medals Yet
Mathematics

azlink10:
Group Title
how many positive odd integers less than 70,000 can be represented using the digits 2,3,4,5,and 6…
 updated 3 years ago
 10 replies
 No Medals Yet
Mathematics

Bobby_D._Williams:
Group Title
Can you show the steps and answer to the following problem?
Solve the system of equations by substitution.…
 updated 3 years ago
 1 reply
 1 Medal
Mathematics

Crazywolf2:
Group Title
what is the equation for the following ordered pairs? (1,1),(2,2),(3,3),(4,4)
 updated 3 years ago
 3 replies
 No Medals Yet
Mathematics

katiekate95:
Group Title
Can someone check my answer i got C.) please help me
Solve for x in the following equation
5x^256=0…
 updated 3 years ago
 4 replies
 No Medals Yet
Mathematics

mmbuckaroos:
Group Title
A student proposed the following method of sketching the solution to a system of two inequalities. “First, I shade the region of points tha…
 updated 3 years ago
 9 replies
 1 Medal
Mathematics

katiekate95:
Group Title
can someone check me i got C.) please help me.
Solve for x in the following equation
2x^224x+54=0…
 updated 3 years ago
 2 replies
 No Medals Yet
Mathematics

geekgirl1988:
Group Title
Joe has a collection of nickels and dimes that is worth $6.10. If the number of dimes was tripled and the number of nickels was decreased b…
 updated 3 years ago
 1 reply
 No Medals Yet
Mathematics

daltiano4l:
Group Title
Solve by completing the square:
3x^2+12x+14=0
 updated 3 years ago
 1 reply
 1 Medal
Mathematics

toxicsugar22:
Group Title
A school of tuna is making a 200 mile trip at an average air speed of 3 miles per hour in still water, but is swimming againist a current.…
 updated 3 years ago
 8 replies
 No Medals Yet
Mathematics

lancer:
Group Title
Hey guys if you could help me that would be great!
The questions says, there are eight rubies, ten emeralds, and a hundred pearls, which a…
 updated 3 years ago
 3 replies
 1 Medal
Mathematics

Hikari93:
Group Title
semicircle R ~ semicircle S
r/s=3/5
Area of semicircle S = 75π cm2…
 updated 3 years ago
 2 replies
 No Medals Yet
Mathematics
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