1,067 Answered Questions for the topic Algebra Help
11/09/17
Michelle was driving to and from work one day. The time it took to drive home was ten minutes less than twice the time it took to drive to work.
(a) If t represents the amount of minutes it took Michelle to drive to work, then write and expression in terms of t for the amount of minutes it took Michelle to drive home from work.
(b) If the...
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How do you distribute the negative sign?
Example:p(t_ = 2t - 1 and q(t) = -t2 - 4t - 1.
Find (q - p)(t)
(q - p)(t) = q(t) - p(t)
q(t) - p(t) "define"
(-t2 - 4t - 1) - (2t - 1) "substitute"
=(-t2 - 4t - 1 - 2t + 1 "distribute...
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g(n) = 3n + 2,f(n) =2n^2 + 5,find (g o f)(2)
g(n) = 3n + 2
f(n) = 2n2 + 5
find (g o f)(2)
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11/08/17
Find the domain of the following function:
3x^(3)-pi 1
f(x)=——————— + ———————
sq.rt.(2x+3)-5 |x+1|-1
The answer I got was (-inf.,-3/2)U(-3/2,inf.)
11/08/17
what is the area of the triangle?
what is the area of a triangle which leg a= x leg b= sq.rt.(2)x and leg c= (4)sq.rt.(15)
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11/08/17
What is the exact area of the triangle?
An isosceles triangle has a perimeter of 28 inches. The height of the triangle (from the vertex connecting the two equal sides down to the base) is sq.rt.(98) inches. What is the exact area of the...
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Algebra Help
11/06/17
need help with this problem please
A community is developing plans for a pool and hot tub. The community plans to form a swim team, so the pool must be built to certain dimensions. Answer the questions to identify possible...
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Algebra Help
11/02/17
Algebra help please!
a chemist wishes to mix a solution that is 10% acid. She has on hand 12 liters of a 6% acid solution and wishes to add some 14% acid solution to obtain the desired 10% acid solution. How much 14%...
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10/31/17
Let g be the function given by g(x)=(10/square root of x) - (sq. root of 2x-1)
(a) what's the domain of g?
(b) Find and simplify: g(1)-3g(25)
10/31/17
Divide the following using long division stating the quotient and the remainder.
a) (-2x^(4)-x^(3)+16x^(2)+3) / (2x+1)
b) (12x^(4)+x^(2)-1) / (2x-1)
a) I got -x^(3)+8x-4 remainder 7 b) i got 6x^(3)+3x^(2)+2x+1 no remainder
Algebra Help
10/27/17
Solve the system of equations using substitution.
x+5y= -1
-3x+ 6y= 3
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Algebra Help
10/27/17
solve the system of equations using elimination.
x/2 + y/2= -4
x/5- y/5= 4/5
how do i solve this step by step?
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10/24/17
What are the dimensions of the base of this rectangular fish tank?
The tank has a height of p cm and a volume, V cm3, where V=6p3 + 13p2 - 5p
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10/23/17
Find the length & width of a swimming pool if its height is (y - 1) and its volume is y^3 - y
Find the length & width of a swimming pool if its height is (y - 1) meters and the volume, V cubic meters is given by the expression V = y3 - y
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10/21/17
Is x^2 + bx + ax + ab a quadratic trinomial?
Quadratic trinomials are obtained when binomial expressions are expanded. Consider the following:
(x + a)(x + b) = x2 + bx + ax + ab
This means that quadratic trinomials of the form x2 + (a +...
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10/19/17
Help with a word problem
A total of $12,000 is invested in two funds paying 9% and 11% simple interest. If the yearly and trust is $1180, how much of the $12,000 is invested at each rate?
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10/19/17
Solve the systems of equations
4x+3y=-13
3x-5y=12
I have done this problem and cannot figure out what the answer is.
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10/19/17
Find the equation of the line through the points (5,-6) and (-4,-6).
I got y=0/-9x-6 but it does not seem right.
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10/19/17
Find the equation of the line with slope -3 and going through the point (3,11).
I got y=3x+20 and was wondering if it is right.
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10/19/17
write an equation of the line containing the specified point and perpendicular to the given line:
(5,-8) & 3=4/5x+y
(I got y=5/4x+57/4 but it does not appear to be correct.)
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Algebra Help
10/15/17
Determine whether the graphs of the equations are parallel lines, perpendicular lines, or neither.
4x - 9y = -1136x + 9y = -11
How do i solve this?
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10/12/17
A pottery studio gives three-hour and four-hour ceramics classes for $32 an hour. If the studio has collected $2592 for a total of 22 classes, how many thr
how many three hour and how many four hour classes were paid for?
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Algebra Help
10/12/17
The larger of two numbers is four more than the smaller number. If the sum of the numbers is 74, find the numbers.
Using algebra to solve word problems..........jhhvcnbhvjfb
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10/12/17
algebra word problem
the ages of three children can be expressed as consecutive integers. The square of the age of the youngest child is twelve more than three times the age of the oldest child. Find the ages of the...
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10/10/17
Solve the following inequalities: a. |-2x+4|-5<10 b. 7+2|2-7x|>9
I'm not sure if I'm doing this right
For a. I got x>11/-2 or x<19/2
interval notation: (-infinity, infinity)
For b. I got x<1/7 or x>3/7
interval...
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