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B8

Questions and answers by B8

Questions (49)

The question is(2x+1)^2-2(2x^2-1) in simplest form Is this correct? [(2x+1)(2x+1)](-4x^2+2) 4x^2+2x+2x+1(-4x^2+2)
1. 4 answers
2. 799 views
The area of a parallelogram is represented by x^2-7x-8 and its height is represented by x+1, what would the base of the
1. 2 answers
2. 472 views
can you tell me if I factored this correctly and completely?2x^3+6x^2+3x+9 (2x^3+6x^2)+(3x+9) 2x^2(x+3)+3(x+3) (x+3)(2x^2+3)
1. 1 answer
2. 390 views
factor completelyn^4-y^4 (n^2+Y^2)(n^2-y^2) (n^2+y^2)(n+y)(n-y) Did I do this correctly? Thank you
1. 3 answers
2. 280 views
what is the expression for the factored form of 1/4y^2-36?I got (1/4y-6)(1/4y+6) Is this correct? Thanks for checking my work
1. 3 answers
2. 871 views
what is the expression for factorization of 6x^2+24?I got 6(x+2)(x-2) Hopefully I got this correct. Thanks for checking for me,
1. 3 answers
2. 311 views
factor completely4n-n^3 n(y-n^2) n(2+n)(2-n) was this done correctly? Thanks
1. 1 answer
2. 295 views
express in simplest form(2x+1)^2-2(2x^2-1) (2x+1)(2x+1)-2(2x^2-1) 4x^2+4x+1-4x^2+2 4x+3 is my answer Did I do this correctly?
1. 1 answer
2. 436 views
prove, using the law of exponents, that the following is true(2^4)^3=(64)^2 (use the same bases to rewrite the expression) the
1. 5 answers
2. 402 views
Solve the equation for d0.2(d-6)=0.3d+5-3+0.1d I had d=-16 Work: 1. distribute 2. 0.2d-1.2=0.3d+5-3+0.1d 3. 0.2d=0.4d+3.2 4.
1. 7 answers
2. 1,893 views
what is the value of 3^0+3^-2?so I did 3^0=1 and 3^-2 =1/9 so 3^0+3^-2= 1 1/9 Is this correct? Thank you again for checking my
1. 3 answers
2. 261 views
What is the value of x in the equationx/2+x/6=2 I found a common denominater of 6 3x/6+x/6=2 4x/6=2 mult. both sides by 6/1 and
1. 3 answers
2. 399 views
I am alittle confused but I did attempt the question. How did I do?Solve 1/3y+5/12=2/y first I brought the y over to the other
1. 3 answers
2. 436 views
7/x+5/3x=2/x-5so lcm=3x(x-5) 21(x-5)+5(x-5)=5x 21x-105+5x-25=5x 26x-130=5x -26x to both sides -130=-21x divide each side by -21
1. 6 answers
2. 619 views
the question is Alyssa ate 3 more than 1/2 as many candy corns as Hayley. If Alyssa ate 17 candy corn, find the number of candy
1. 3 answers
2. 468 views
find the difference when (-2x^2+7x-5) is subtracted from (3x^2-4x+2).-2x^2+7x-5 - (3x^2-4x+2) so I changed it to + (-3x^2+4x-2)
1. 3 answers
2. 434 views
Which of the following houses would you have the greatest probability of getting a crunch bar while trick or treating if the
1. 1 answer
2. 390 views
Mrs P made punch and wanted to serve it in cone shaped cups. When she poured the drink into the cup she poured it to the top and
1. 2 answers
2. 959 views
using the laws of exponents simplify (25)^3so (5x5)^3 (5^2)^3 so I got 5^6 Is this correct?
1. 1 answer
2. 388 views
Which is the solution to the inequality 9-4<3x-51. 3 2. 2 3. 1 4. 0 so first I added 5 to both sides 14-4x<3x then add 4x to
1. 4 answers
2. 870 views
What is the best sequence of names to identify this set of numbers?(1 3/5,-10, 0.51(the one is repeating), TT,17)
1. 1 answer
2. 928 views
What is the best sequence of names to identify this set of numbers?(1 3/5,-10, 0.51(the one is repeating), TT,17)
1. 3 answers
2. 1,142 views
Aaron has a turkey farm. for every three male turkeys, he has 17 female turkeys. If he has 272 female turkeys, how many male
1. 3 answers
2. 407 views
the dimensions of Gina's dining room table are represented by (3x-7) and (30-x). Find the perimeter 0f the table in terms of x.I
1. 1 answer
2. 402 views
Over the river and through the woods to grandpa's house the smith grandchildren go. They drive 120miles to reach grandpa's house
1. 3 answers
2. 641 views
The formula D = t + tsp is used to determine how much turkey, stuffing, and potatoes a family will consume. What is the formula
1. 3 answers
2. 362 views
what is the range of the relation below?((1,2)(3,4)(5,6)(7,8)) a)all real numbers b) all even numbers c)(2,4,6,8) d)(1,3,5,7) I
1. 5 answers
2. 1,168 views
A hot air balloon was at a height of 60 feet above the ground when it began to ascend. The balloon climbed at a rate of 15 feet
1. 4 answers
2. 1,476 views
Can you please check my work. I asked this question yesterday but no one helped me. Thank you , I really appreciate itA hot air
1. 3 answers
2. 731 views
the perimeter p of a rectangle can be found using the formula p=2(l+w)where l represents the length and w represents the width.
1. 4 answers
2. 1,772 views
which ordered pair is the solution of the following system of equations?y=2x-3 x+y=3 1) (1,2) 2)(2,1) 3)(3,0) 4)(3,3) MY work:
1. 3 answers
2. 1,006 views
solve algebraically and checky=8x+3 y=-4x-21 8x+3=-4x-21 +4x +4x 12x+3=-21 -3 -3 12x=-24 x=-2 y=8x+3 y=8(-2)+3 y=-16+3 y=-13
1. 3 answers
2. 506 views
Andrew has $2.75 in nickels and quarters in his coat pocket. If he has a total of 15 coins, which system of equations could you
1. 3 answers
2. 687 views
What is the solution tox+5+x+1+x=3(x+2)+1 1)x=0 2)x=3 3)no solution 4) infinite I got #3 no solution x+5+x+1+x=3(x+2)+1
1. 3 answers
2. 597 views
Jesse rents 2 movies and 4 video games for a total of $18.70. At the same time, Dan rents 3 movies and 2 video games for a total
1. 3 answers
2. 746 views
The product of 3^4*3^-2 isso I multiplied the exponents and got 4*-2 =-8 so my answer is 3^-8 Is this correct? Thanks for
1. 3 answers
2. 379 views
Factor completely, the expression2x^2+6x-20 I did 2(x^2+3x-10) then it can go down to 2(x+5)(x-2) Is this correct? Thanks for
1. 3 answers
2. 437 views
In Lewis Carroll's Through The looking Glass, Tweedledum says, "the sum of your weight and twice mine is 361 pounds". Tweedledee
1. 4 answers
2. 2,518 views
Gina is adding a lace border to a circular pillow. The radius of the pillow is 8 inches, and she needs to decide how much lace
1. 4 answers
2. 868 views
rewritten as a power of 2 with a rational exponent, the expression4*squared root of 2 would equal which of the following. 1) 2
1. 4 answers
2. 1,215 views
from the expression below, which one is not factorable?1)x^2+4x+6 2) 3ab^2-16a 3)x^2-441 4)4x^2+19x-5 I thought the answer was
1. 1 answer
2. 705 views
this is a two part question.Dylan owns a bakery where she sells cakes for $20 each, pies for $15each,and doughnuts for $2 each.
1. 5 answers
2. 599 views
Greg teaches martial arts. He charges a one time processing fee of $5.00 and the cost of classes are shown below. let x
1. 5 answers
2. 2,413 views
Determine the number of solutions for the following system of equations2x+5y=7 10y=-4x+14 1)Exactly one solution 2)No solutions
1. 6 answers
2. 2,293 views
A tree, in danger of falling , stands 65 feet from the house. The angle of elevation from the bottom of the house to the top of
1. 4 answers
2. 923 views
A construction worker on the roof of a 17 meter building in NYC is speaking to his boss on the ground. If the boss is standing 9
1. 3 answers
2. 575 views
the right triangle ABC,<ABC is the right angle. If sin<C=3/5, find the Tan<A.I did 0/9 and put it in the calculator and got 4/3
1. 1 answer
2. 450 views
the triangle CDE, m<D=90 degrees, m<C=50 degrees, and ED=23. Which equation could be used to find CE?1. sin50=CE/23 2.
1. 1 answer
2. 487 views
The center pole of a tent is 8 feet long. the side of the tent is 12 feet long. If a right angle is formed where the center pole
1. 3 answers
2. 3,086 views