Questions and answers by

Shawn

Questions (306)

Which of the following points is an x-intercept of the graph off(x)=(x^2+2x)^2 -11(x^2+2x)+24? a.)(4,0) b.)(-6,0) c.)(6,0)
1. 1 answer
2. 371 views
Solve w= (va)/(r^2+a^2) for a.I applied the quadratic formula a= (v/w +- sqrt (v^2/w^2 - 4*(-wr^2)) /2 and I have the answer as
1. 1 answer
2. 372 views
Solve w= (va)/(r^2+a^2) for a.is the answer a= sqrt[w(r^2+v^2)/v]?
1. 2 answers
2. 477 views
Solve w= (va)/(r^2+a^2) for a.is the answer a= sqrt[w(r^2+v^2)/v]?
1. 1 answer
2. 339 views
Which of the following quadratic equations has -4 and 3/4 as the solutions?a.)x^2+(13/4x)-3 b.)x^2+(30/7x)-(25/7)
1. 1 answer
2. 424 views
Which of the following quadratic equations has -4 and 3/4 as the solutions?a.)x^2+(13/4x)-3 b.)x^2+(30/7x)-(25/7)
1. 0 answers
2. 486 views
let f(x) = 12x^2 +7x-10. Find x such that f(x)=0a.) -4/5, 5/3 b.) -5/4, 2/3 c.) -2/5, 5/3 d.) -5/3, 2/3 I think I have it. I was
1. 3 answers
2. 519 views
Determine the type of number that the solutions of x^2 +5x+3=0 will beI have the answer as rational is that right?
1. 4 answers
2. 516 views
let f(x) = 12x^2 +7x-10. Find x such that f(x)=0a.) -4/5, 5/3 b.) -5/4, 2/3 c.) -2/5, 5/3 d.) -5/3, 2/3
1. 2 answers
2. 440 views
Solve: x^2 +8x </=9.How would I solve this?
1. 3 answers
2. 390 views
Solve: x^2 +5x=1. Use a calculator to approxiamte the solutions with rational numbers.is the answer -0.1925824, 5.65331193 ?
1. 2 answers
2. 418 views
Complete the square: x^2 -12x. Which of the following is the correct perfect-square trinomial?the answers are: a.) x^2 +22x+121
1. 2 answers
2. 698 views
Rosie's Palm Pirates, a manufacturer of electronic organizers, estimates that when x hundred Palm Pirates are made, the average
1. 2 answers
2. 493 views
What is the y-intercept off(x)=x^2+x-12? the answers are a.)(0,12) b.)(-72,0) c.)(0,-12) d.)(0,-72) I have the answer as
1. 1 answer
2. 363 views
What is the y-intercept off(x)=x^2+x-12? the answers are a.)(0,12) b.)(-72,0) c.)(0,-12) d.)(0,-72) I have the answer as
1. 0 answers
2. 367 views
Solve: x^-2 - x^-1= 5/4I multiplied all terms of your equation by 4x^2 to get 5x^2 + 4x - 4 = 0 I get (-2+/-2sqrt6)/5 is this
1. 2 answers
2. 355 views
Sabine and Hercule can assemble a table in 45 minutes. Working alone, it takes Hercule 48 minutes longer than Sabine to put this
1. 2 answers
2. 562 views
The Mad River flows at a rate of 3 km/h. In order for a boat to travel 78.2 km upriver and then return in a total of 8 hr, how
1. 2 answers
2. 805 views
Solve: x^-2 - x^-1= 5/4I have the answer as (5+/- sqrt29)/2 Is this right?
1. 2 answers
2. 516 views
The Mad River flows at a rate of 3 km/h. In order for a boat to travel 78.2 km upriver and then return in a total of 8 hr, how
1. 2 answers
2. 593 views
Solve: x^-2 - x^-1= 5/4I have the answer as (5+/- sqrt29)/2 Is this right?
1. 0 answers
2. 403 views
Solve: x^-2 - x^-1= 5/4I have the answer as (5+/- sqrt29)/2 Is this right?
1. 0 answers
2. 412 views
Solve: x^2 +4x+1=0Is the answer 2+-sqrt2?
1. 2 answers
2. 392 views
Solve: x+5=x^2I have (1+- sqrt 21)/2 Is that right or did I calculate something wrong?
1. 2 answers
2. 362 views
Solve: x^2 +4x+1=0Is the answer 2+-sqrt2?
1. 1 answer
2. 370 views
Solve: 5x(x-5)-2x(x+4)=-90Is the answer 5,6 ?
1. 2 answers
2. 344 views
Solve: 3x^2-11=0Is the answer" +- sqrt 11/3?
1. 1 answer
2. 370 views
Solve: 3x^2-11=0Is the answer" +- sqrt11/3?
1. 1 answer
2. 473 views
what happened in titusville in 1559
1. 2 answers
2. 301 views
Simplify: sqrt(x^5 y^2)+sqrt(9xy^2)is the answer sqrtx(x^2y+3y)
1. 1 answer
2. 447 views
multiply: sqrt-25 sqrt-100is the answer 50?
1. 1 answer
2. 483 views
A disoriented driver crosses diagonally from one corner of a 150 m by 275 m lawn to the far corner. How far does the wayward
1. 2 answers
2. 641 views
express in terms of i and simplify: srqt-54 is it -3isqrt6?
1. 3 answers
2. 405 views
subtract: 3+5i-(-4+6i) is the answer 7-i?
1. 1 answer
2. 289 views
A disoriented driver crosses diagonally from one corner of a 150 m by 275 m lawn to the far corner. How far does the wayward
1. 3 answers
2. 524 views
The problem is solve x= sqrt10x-4-2So it would be x=sqrt10x-6 right I have as x=4 is that right? or is it 2,4
1. 3 answers
2. 338 views
The problem is solve x= sqrt10x-4-2So it would be x=sqrt10x-6 right then how would I solve for x
1. 3 answers
2. 402 views
if f(x)=x^2 find f(2-sqrt6)I have the answer as 10-4sqrt6 is that right?
1. 2 answers
2. 332 views
sqrt (x^5 y^2) +sqrt(9xy^2)
1. 0 answers
2. 341 views
^5 sqrt symbol a^6/ ^4 sqrt symbol a^3
1. 0 answers
2. 300 views
(3+sqrt x)(4- 3 sqrt x)
1. 0 answers
2. 249 views
Simplify:9 sqrt5 -3 sqrt5
1. 0 answers
2. 356 views
^4sqrt symbol(x^2 y^3)^3sqrt symbol(xy)
1. 0 answers
2. 340 views
Simplify ^5 sqrt symbol(x^6y^5)/^5 sqrt symbol(x^2 y^2)
1. 0 answers
2. 396 views
Solve: x= sqrt(10x-4-2)
1. 2 answers
2. 614 views
rationalize the denominator sqrt 5/ (5+sqrt6)
1. 0 answers
2. 438 views
if f(x)=x^2 find f(2-sqrt6)
1. 3 answers
2. 330 views
if f(x) = sqrt(9-3x) determine the domain of f
1. 0 answers
2. 482 views
Express using exponential notation sqrt (6xy)^3
1. 0 answers
2. 429 views
Express using radical notation :(6ab)^4/3
1. 0 answers
2. 385 views
Simplify:(4+2i)/2i(4-2i)^-1
1. 0 answers
2. 307 views
Solve: sqrt(7x-5)+sqrt(15x+4)=sqrt(30x+31)
1. 0 answers
2. 391 views
Divide and simplify to the form a+bi.(-8+i)/(2-3i)
1. 0 answers
2. 375 views
Multiply Write the answer in the form a+bi. (2-3i)^2I am coming up with 4-3i what am I doing wrong?
1. 0 answers
2. 435 views
Multiply:sqrt-25 sqrt-100 is it 50?
1. 0 answers
2. 452 views
subtract: 3+5i-(-4+6i) is the answer 7-i?
1. 0 answers
2. 306 views
Express in terms of i and simplify:sqrt-54 is the answer -3isqrt6
1. 0 answers
2. 461 views
A disoriented driver crosses diagonally from one corner of a 150 m by 275 m lawn to the far corner. How far does the wayward
1. 0 answers
2. 369 views
Simplify^3 sqrt symbol 4x ^3 sqrt symbol 6y Would I combine the 4x and the 6y?
1. 0 answers
2. 459 views
This problem is a little different Simplify:^5 sqrt symbol(x^7 y^4) How would I solve this problem?
1. 2 answers
2. 518 views
I am kinda stuck on this oneSimplify: (x^7 y^4)to the 1/5 power I don't know what to do for this problem. I am lost with what to
1. 1 answer
2. 520 views
I am kinda stuck on this oneSimplify: ^5sqrt(x^7 y^4) I don't know what to do for this problem. I am lost with what to do with
1. 0 answers
2. 488 views
^3sqrt4x ^3sqrt6yNot sure of how to work this problem.
1. 0 answers
2. 318 views
Simplify:sqrt(4x^2)/(36y^6) is the answer x/(3y^3)?
1. 2 answers
2. 446 views
I am kinda stuck on this oneSimplify: ^5sqrt x^7 y^4 I don't know what to do for this problem. I am lost with what to do with
1. 2 answers
2. 472 views
Simplify: sqrt x^2-8x+16I know that this can be factored out to sqrt (x-4)(x-4) what do i do next?
1. 5 answers
2. 908 views
Simplify: square root of 25a^2 I have the answer as 5a is that right?
1. 1 answer
2. 919 views
Simplify: ^3�ã-216/(x^9)I have the answer as -6/(x^3) Is that right?
1. 1 answer
2. 440 views
Simplify: �ã63I have the answer as 3�ã7 is that right?
1. 2 answers
2. 435 views
f(x) = 1/(x+7)+15/(x-8). Find all a for which f(a)=f(a+15).I understand this so far f(a)=f(a+15) 1/(7+a) + 15/(a-8) = 1/(a+22) +
1. 3 answers
2. 683 views
Subtract and Simplify:4a^2/(a-b)-(4b^2-8ab)/(b-a) I have the answer as 4(a+b)^2/(a-b) or should it be 4(a-b)^2/(a-b) Responses
1. 1 answer
2. 801 views
Subtract and Simplify:4a^2/(a-b)-(4b^2-8ab)/(b-a) I have the answer as 4(a+b)^2/(a-b) or should it be 4(a-b)^2/(a-b)
1. 3 answers
2. 545 views
Simplify: (2/a + 6/b) / (8/ab + 4/a^2)I have the answer as a(3a+b)/(4a+2b) Is that correct?
1. 1 answer
2. 372 views
one summer, Van mowed 4 lawns for every 7 lawns mowed by Fiona. Together they mowed 132 lawns. How many did Fiona mow?I have the
1. 2 answers
2. 1,208 views
Let f(x) = 1/(x+7)+15/(x-8). Find all a for which f(a)=f(a+15).I understand this so far f(a)=f(a+15) 1/(7+a) + 15/(a-8) =
1. 6 answers
2. 465 views
Solve:(t+24)/(t^2-t-56)+7/(t-8)=3/(t+7) I do know that (t^2-t-56) can be factored out to (t-8)(t+7) so I have the equation as
1. 1 answer
2. 1,076 views
I have a problem that I need checked it is the produce of the reciprocals of two consecutive integes is 1/182 Find the integers.
1. 2 answers
2. 433 views
Solve:(t+24)/(t^2-t-56)+7/(t-8)=3/(t+7) I do know that (t^2-t-56) can be factored out to (t-8)(t+7) so I have the equation as
1. 4 answers
2. 545 views
Solve:(t+24)/(t^2-t-56)+7/(t-8)=3/(t+7) I do know that (t^2-t-56) can be factored out to (t-8)(t+7) so I have the equation as
1. 3 answers
2. 444 views
Solve1/C=1/C1 + 1/C2 for C1 This multiple choice and the listed answers are: a.)C1= CC2/(C2-C) b.)C1= C-C2/C c.)C1= C+C2/CC2
1. 4 answers
2. 2,444 views
Solve 1/C=1/C1+1/C2 for C1.
1. 2 answers
2. 1,375 views
Solve: (t+24)/(t^2-t-56)+7/t-8=3/t+7
1. 1 answer
2. 325 views
A sample of 64 observations is selected from a normal population. the sample mean is 215 and the standard deviation is 15.
1. 1 answer
2. 1,760 views
Create a Histogram of the following data:Interval Frequency 0 – 5 0 5 - 10 5 10 - 15 5 15 - 20 15 20 - 25 5 25 – 30 10
1. 1 answer
2. 799 views
Determine whether the graphs of the two lines are parallel.y+3=3x 6x-y=-3 Are the graphs of the given equations parallel?
1. 1 answer
2. 489 views
Create a table that list the strengths and challenges of traditional systems development life cycle, prototyping, rapid
1. 0 answers
2. 1,054 views
|-8z+4| = 20z = -2 Again the book's anwser is -2, 3 Apparently I am missing a step. What is it?
1. 1 answer
2. 420 views
|4x-6| = 26my answer is 5 The book's answer is 8, -5 How did they get that. What did i miss?
1. 1 answer
2. 346 views
My book is showing the solution for graphing a system of linear equationsy > 2x - 7 y is greater than or equal to -3x + 7 I see
1. 0 answers
2. 559 views
I know there are methods out there but what do you think is the best or easiest method(s) of solving a system of equations.Depen
1. 0 answers
2. 778 views
Why is the line of the inequality solid when <= or >= and dotted when < or >?It is a representation. If <=, the equal says the
1. 0 answers
2. 616 views
Find two consecutive even integers that have a sum of 450.224+226=450 If two consecutive even integers, x and x + 2, add up to
1. 0 answers
2. 484 views
Suppose that the equilibrium price in the market for widgets is $5. If a law reduced the maximumlegal price for widgets to $4,
1. 1 answer
2. 1,565 views
At Nick's Bakery, the cost to make his homemade chocolate cake is $3 per cake. He sells three andreceives a total of $21 worth
1. 0 answers
2. 1,715 views
When it is said "Y as a funtion of X"does it mean y=f(x) eg. y=2x+3 or x=f(y) eg. x=2y+3 the first one is right
1. 0 answers
2. 432 views
Find the volumes of the solids generated by revolving the region in the first quadrant bounded by the following about the given
1. 0 answers
2. 1,073 views
Nitric acid is produced commercially by the Ostwaldprocess, represented by the following equations: 4NH3(g) + 5O2(g) > 4NO(g) +
1. 1 answer
2. 1,683 views
Nitric acid is produced commercially by the Ostwaldprocess, represented by the following equations: 4NH3(g) + 5O2(g) > 4NO(g) +
1. 2 answers
2. 4,829 views
True or FalseCofactors and coenzymes are usually larger than enzymes and participate in catalysis .
1. 0 answers
2. 536 views
True or False?Allosteric inhibitors always bind to the active site of an enzyme.
1. 1 answer
2. 779 views