Questions and answers by

Rachal

Questions (71)

Cashew nuts are sold at 15 per kg. Walnuts are sold at 12 per kg. What quantities of each nut would a store owner put into a
1. 1 answer
2. 1,073 views
The function g is defined below.g(x)=((x)^(2)-9x+14)/((x)^2-11x+24) Find all values of x that are NOT in the domain of g. If
1. 2 answers
2. 1,893 views
Boyle's Law says that the volume of a gas varies inversely with the pressure. When the volume of a certain gas is 4L, the
1. 1 answer
2. 6,410 views
Boyle's Law says that the volume of a gas varies inversely with the pressure. When the volume of a certain gas is 4L , the
1. 1 answer
2. 762 views
Miguel is choosing between two exercise routines.In Routine #1, he does only running, burning 15 calories per minute. In Routine
1. 2 answers
2. 5,565 views
Miguel is choosing between two exercise routines.In Routine #1, he does only running, burning 15 calories per minute. In Routine
1. 4 answers
2. 1,461 views
Austin is going to rent a truck for one day. There are two companies he can choose from, and they have the following prices.Comp
1. 1 answer
2. 1,500 views
The function h is is defined below.h(x)=48x^2+ 12x - 16 Find all values of x that are NOT in the domain of h. If there is more
1. 2 answers
2. 2,256 views
The polynomial function is defined by f(x)=4x^4+2x^3-8x^-5x+2.Use a calculator to find all the points (x,f(x)) where there is a
1. 1 answer
2. 575 views
Find a polynomial f(x) of degree 3 with real coefficients and the following zeros.-1,3+i f(x)=
1. 2 answers
2. 2,875 views
A ramp 38' long rises to a platform. The bottom of the platform is 20' from the foot of the ramp. Find x , the angle of
1. 1 answer
2. 637 views
Find all solutions of the equation in the interval [0,2pi).sqrt(3)cottheta-1= 0 Write your answer in radians in terms of pi. If
1. 2 answers
2. 2,324 views
Find all solutions of the equation in the interval [0,2pi) .cos(theta)=0.7125 If there is more than one solution, separate them
1. 1 answer
2. 1,227 views
The polynomial function f(x) is defined by f(x)=-4x^4+9x^3+2x^2-7x-2.Use a graphing calculator to find all the points where
1. 1 answer
2. 937 views
I need help, I don't remember what to do.Find all solutions of the equation in the interval [0,2pi]. (2cosè+sqrt3)(cscè+1)=0
1. 2 answers
2. 940 views
Find the unit vector in the direction of <-1,-2>.Do not approximate any numbers in your answer. I get (-1/sqrt10) and
1. 1 answer
2. 508 views
Find the reference angle for -144 degrees.I'm coming up with 504 degrees, but I think I'm missing a step.
1. 2 answers
2. 687 views
I need help solving the two problems below. ThanksFor each equation, determine whether its graph is symmetric with respect to
1. 2 answers
2. 729 views
I need help solving the two problems below. ThanksFor each equation, determine whether its graph is symmetric with respect to
1. 1 answer
2. 619 views
How can I find the exact value of Sin 480 degrees? Thanks
1. 5 answers
2. 6,413 views
Owners of a recreation area are filling a small pond with water. They are adding water at a rate of 25 liters per minute. There
1. 2 answers
2. 3,154 views
Owners of a recreation area are filling a small pond with water. They are adding water at a rate of 25 liters per minute. There
1. 0 answers
2. 917 views
Use a cofunction to write an expression equal to csc(4ð/11).Is the answer csc(4ð/11)= 1/sin(4ð/11)
1. 1 answer
2. 720 views
Use a cofunction to write an expression equal to csc(4ð/11).I need help solving this problem. Thank You
1. 2 answers
2. 1,166 views
Suppose that the number of bacteria in a certain population increases according to an exponential growth model. A sample of 2600
1. 1 answer
2. 823 views
A department store is holding a drawing to give free shopping sprees to two lucky customers. There are 15 customers who have
1. 2 answers
2. 1,078 views
Solve for x.14^(-3x)=11^(-x-3) Write the exact answer using base-10 logarithms How do I start this problem? Thank You
1. 0 answers
2. 565 views
Solve for x.log3(x+7)=2-log3(x-1) Write the exact answer using base-10 logarithms.
1. 1 answer
2. 726 views
Can anybody help me start this? Thanks
1. 1 answer
2. 389 views
f(x)=3-4|-11+x| -4|-11+3| -4|8| Do I divide or multiply?
1. 1 answer
2. 468 views
Solve the inequality for x.16 <= 4x+4 I get x>=3 Is that right?
1. 1 answer
2. 431 views
Evaluate the following:|6-10|-|5| I get: |-4|-|5| 4-5 Is the answer -1
1. 2 answers
2. 1,015 views
Write the equation of the line:The points are at (-8,-6) and (0,0). The line passing through these two points has a y-intercept
1. 0 answers
2. 755 views
Evaluate the expressionm^2+93+7 when m=-4 -4^2+9*(-4)+7 does it = -13
1. 1 answer
2. 484 views
Write the equation of the graph.Points are (-8,-6) and (0,0). I think you start at rise over run. But I'm confused thanks
1. 1 answer
2. 438 views
In a particular hospital, 6 newborn babies were delivered yesterday. Here are their weights (in ounces):112, 96, 109, 126, 99,
1. 1 answer
2. 747 views
Frank has a 65% chance of receiving an A grade in geology, a 60% chance of receiving an A grade in mathematics, and a 77% chance
1. 1 answer
2. 665 views
Frank has a 65% chance of receiving an A grade in geology, a 60% chance of receiving an A grade in mathematics, and a 77% chance
1. 0 answers
2. 939 views
You can answer any 8 questions from the 12 questions on an exam. In how many different ways can you choose the 8 questions,
1. 3 answers
2. 1,009 views
Suppose that 34% of the people who inquire about investments at a certain brokerage firm end up investing in stocks, 30% end up
1. 2 answers
2. 889 views
I don't know how to post some of the question is there a way I can upload it?
1. 3 answers
2. 482 views
The length of a rectangle is 1ft more than twice its width, and the area of the rectangle is 28ft^2 . Find the dimensions of the
1. 2 answers
2. 1,904 views
Rewrite the expression without using a negative exponent.4z^-4 Simplify your answer as much as possible. is this right? (1/4z^4)
1. 3 answers
2. 1,620 views
In an electrical circuit, the current passing through a conductor varies inversely with the resistance. Suppose that when the
1. 2 answers
2. 1,479 views
The following is a list of 11 measurements: -2,82,87,-1,-51,-2,53,87,-20,32,35Suppose that these 11 measurements are
1. 2 answers
2. 844 views
In an electrical circuit, the current passing through a conductor varies inversely with the resistance. Suppose that when the
1. 2 answers
2. 650 views
Factor:-8w+uw+vu-8v
1. 1 answer
2. 450 views
[(x^2-1)/(x-3)] / [(x^2-x-2)/(3x-9)]I get (3x-3/x-2)
1. 2 answers
2. 418 views
Charlie is going to rent a truck for one day. There are two companies he can choose from, and they have the following prices.Com
1. 4 answers
2. 2,227 views
Charlie is going to rent a truck for one day. There are two companies he can choose from, and they have the following prices.Com
1. 1 answer
2. 764 views
A 3 inch thick slice is cut off the top of a cube, resulting in a rectangular box that has volume 128in^3 .Round your answer to
1. 2 answers
2. 1,876 views
Below is the graph of a polynomial function f with real coefficients. Use the graph to answer the following questions about f.
1. 3 answers
2. 3,712 views
I don't even know where to start, teacher gave us this with no direction.Suppose the polynomial R(x)=a9x^9+a8x^8+...+a,x+a0 has
1. 1 answer
2. 707 views
The number of bacteria in a certain population increases according to an exponential growth model, with a growth rate of 11% per
1. 2 answers
2. 1,304 views
Choose the end behavior of the graph of each polynomial function.A f(x)= -5x^3-4x^2+8x+5 B f(x)= -4x^6+6x^4-6x^3-2x^2 C f(x)=
1. 2 answers
2. 4,146 views
Find all complex solutions of 4x^2+5x+2=0.
1. 1 answer
2. 602 views
The one-to-one function f is defined by f(x)=(4x-1)/(x+7).Find f^-1, the inverse of f. Then, give the domain and range of f^-1
1. 3 answers
2. 1,363 views
The one-to-one function f is defined by f(x)=(4x-1)/(x+7).Find f^-1, the inverse of f. Then, give the domain and range of f^-1
1. 1 answer
2. 833 views
Ok I got another one I can figure outThe one-to-one function f is defined by f(x)=(4x-1)/(x+7). Find f^-1, the inverse of f.
1. 2 answers
2. 760 views
Solve the following inequality.(x-4)/(-x+2)>0 Write your answer using interval notation. x<2 or x>4 Thanks
1. 1 answer
2. 493 views
Graph the equationsy=2|x-5|+2
1. 1 answer
2. 380 views
Find the equation of the quadratic function f whose graph is shown below.Ponts on the graph are (-3,-1)(-2,-4) f(x)=
1. 3 answers
2. 3,852 views
The polynomial function f is defined by f(x)x^4-3x^3-2x^2+4x+5.Use a graphing calculator to find all the points (x,f(x)) where
1. 1 answer
2. 607 views
The polynomial function f is defined by f(x)x^4-3x^3-2x^2+4x+5.Use a graphing calculator to find all the points (x,f(x)) where
1. 0 answers
2. 498 views
To rent a certain banquet hall, there is a reservation fee of $4200.00 and an additional fee of $180.00 per hour. The Russell
1. 3 answers
2. 685 views
Solve for v.v+6/5=3/5v-7/3 Simplify your answer as much as possible. This answer cannot be a radical. Thanks
1. 0 answers
2. 440 views
To rent a certain banquet hall, there is a reservation fee of $4200.00 and an additional fee of $180.00 per hour. The Russell
1. 0 answers
2. 604 views
The function h is defined by h(x) .6+x/4+2x Find h(2x)
1. 2 answers
2. 710 views
The function h is defined by h(x) .6+x/4+2x Find h(2x)
1. 1 answer
2. 1,326 views
Multiply.x-(6+2i)][x-(6-2i)] Note that these expressions contain complex numbers. Simplify your answer as much as possible.
1. 1 answer
2. 1,523 views
The ratio of horseshoes to shamrocks was 11 to 5, and two times the number of shamrocks was 12 less than the number of
1. 2 answers
2. 634 views