Questions Answered

shruti:
One day a friend visited my house and asked me the ages of my three sons. I replied that the product of my son's ages is 36 and the sum of …
 updated 2 years ago
 14 replies
 4 Medals

mswings:
In 1990, the life expectancy of females was 78.8 yr. In 2001, it was 79.8 yr. Let F(t) = life expectancy and t = the number of years since …
 updated 2 years ago
 2 replies
 1 Medal

Eherre1989:
y=1/3(x1/2)1/3 In Standard Form Ax+By=C
 updated 2 years ago
 8 replies
 No Medals Yet

hime.angel:
When it is 2 hours after 2 o'clock, then it is 4 o'clock (2 + 2 = 4). When it is 10 hours after 10 o'clock, then it is 8 o'clock. In this k…
 updated 2 years ago
 4 replies
 1 Medal

paulzord:
'complex' numbers?
Suppose w6 = 64i. Determine the six values of w.
 updated 2 years ago
 39 replies
 3 Medals

plshlpme:
There are n teams in a league and the number of games played is given by the polynomial n^2n=N. A women's softball league has 12 teams. Wh…
 updated 2 years ago
 7 replies
 1 Medal

ellyk:
"The hypotenuse of right triangle is 2 units longer than its height. Determine a formula for the height as a function of the base b.
 updated 2 years ago
 5 replies
 1 Medal

Nickie_S:
Can you help me, not sure where this one wants me to go, can you help me step by step? Andrew factored the expression 4x^3 +2x^2 +8x as 2…
 updated 2 years ago
 3 replies
 1 Medal

needhelpplsnty:
(y8)(y^2+8y+64)
 updated 2 years ago
 7 replies
 No Medals Yet

chris_parks:
Triangles ABC and LMN are given such that
…
 updated 2 years ago
 4 replies
 1 Medal

astromanticspin:
rationalize the denominator:
∛7 / ∛100s…
 updated 2 years ago
 4 replies
 1 Medal

ahr102000:
You need $25,000 in 5 years. You invest 5% compound quarterly...how much do you need to put in to begin with?
 updated 2 years ago
 7 replies
 No Medals Yet

iCephalopod:
what did the arabs discover in mathematics?
 updated 2 years ago
 5 replies
 1 Medal

CabRamos:
I need a tutor. Can someone spend like 1 hour helping me with my hw please.
 updated 2 years ago
 13 replies
 No Medals Yet

CabRamos:
supply missing term to make expression perfect trinomial 25m^2+________+4n^2
 updated 2 years ago
 4 replies
 No Medals Yet

Nickie_S:
Factor the expression 49x^2 42xy+9y^2 into a product of binomials.
So far I have (7x9y)(7x9y) I think the 9y is wrong but I do not know…
 updated 2 years ago
 5 replies
 2 Medals

ashley_bret:
log[3]x+log[3]2=2
solve the equation
 updated 2 years ago
 8 replies
 2 Medals

marcfranzblau:
Show the work to solve 3x  2 < 7
Describe the graph of the solution in words
 updated 2 years ago
 10 replies
 1 Medal

lar0213:
y1=(x2)^2. use the vertex and intercepts to sketch a graph of the quadratic function…
 updated 2 years ago
 2 replies
 1 Medal

mathsux4real:
Please help!
1
f(x)=  +1 Find x if f(x)=1.…
 updated 2 years ago
 13 replies
 2 Medals

Albertoimus:
Which of the following taxes, if lowered, would result in the greatest increase in the long run economic growth rate? Explain. Which of the…
 updated 2 years ago
 2 replies
 No Medals Yet

kassia:
Whats the sum of the first 30 terms of the sequence below. a^n=4n+1…
 updated 2 years ago
 1 reply
 No Medals Yet

rjeffries96:
rewrite the equation x^2+y^2+3x=0 using the substitutions x=r cos thetha and y=r sin theta. simplify. please explain the steps!
 updated 2 years ago
 13 replies
 1 Medal

tham:
Two cyclists start biking from a trail's start 3 hours apart. The second cyclist travels at 10 miles per hour and starts 3 hours after the …
 updated 2 years ago
 20 replies
 1 Medal

amistre64:
Find the amount of work done by lifting 150 ft of wire that weighs 4 lbs/foot.
 updated 2 years ago
 32 replies
 1 Medal

kevine1990:
A robotic reporter that works for MEOW NEWS makes a false statement 5 times out of 100. Suppose the
reporter produced 1900 statements last …
 updated 2 years ago
 3 replies
 No Medals Yet

Nisha318:
Differential Equations> Laplace> Piecewise Defined functions. Solve the initial value problem.
 updated 2 years ago
 11 replies
 2 Medals

DevinBlade:
Looking for answer to part c
c. Find the change of coordinates matrix P from B to C.…
 updated 2 years ago
 20 replies
 3 Medals

luck:
Consider the operation on p3 that takes ax^3+bx^2+cx+d to cx^3bx^2ax+d . Does it correspond to a linear transformation from R^3 to R^3 ?…
 updated 2 years ago
 18 replies
 1 Medal

luck:
determine bases for the following subspaces of R^3 a) the plane 3x2y+5z
 updated 2 years ago
 12 replies
 4 Medals
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