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All Questions
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230864 Questions
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216
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Algebra
Find the constant term of a quartic polynomial with rational coefficients that has two roots equal to 2 − i and 2 +sqrt(5).
Guest
Sep 7, 2021
0
190
0
help with algebra
For senior night, the vollyball team sold 850 tickets for the big game and made 6050 dollars. If the presale tickets were 5 dollars and the tickets at the door were 9 dollars, how many tickets were sold at the door?
Guest
Sep 7, 2021
0
195
0
Calculus help please????
1. Show that f is not continuous at 𝑎=1
2. Is f continuous from the left or the right at 𝑎=1
3. State the interval(s) of continuity
read more ..
Guest
Sep 7, 2021
0
183
0
help with polynomials
Let p(x) = x^(2), q(x) = 2x^(3)+ 1, and r(x) = 7x^(4) - 5x^(3) - 6x - 2. Find p(x)*q(x) + r(x).
Guest
Sep 7, 2021
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330
3
Need some help on this question
If x is a real number what is the smallest possible value of ? By real number I think they mean no imaginary numbers, and I think the answer is 8, but idk if its correct. Please help <3
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Guest
Sep 7, 2021
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246
1
Complex Numbers
All the complex roots of when plotted in the complex plane, lie on a circle. Find the radius of this circle.
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Guest
Sep 7, 2021
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230
1
Polygon
What is the sum of the interior angles in the polygon below?
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Guest
Sep 7, 2021
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179
0
Polygon
What is the sum of the interior angles in the polygon below?
Guest
Sep 7, 2021
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169
0
Coordinates
A line goes through (2, 3) and (−8,2). The line has an x-intercept of P and a y-intercept of Q. Let the origin be O. Find the area of OPQ
Guest
Sep 7, 2021
0
320
1
Probability
A point P is randomly selected from the square region with vertices at $(\pm 1, \pm 1)$. What is the probability that P is within one unit of the origin? Express your answer as a common fraction in terms of pi.
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Guest
Sep 7, 2021
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301
1
Algebra
The number y is 2 more than 4 times another number x. Their sum is 39. Find x and y.
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Guest
Sep 7, 2021
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462
3
+56
Geometry help
Trapezoid $ABCD$ is inscribed in the semicircle with diameter $\overline{AB}$, as shown below. If $CD = 7$, $AD = 3$, and $BC = 3$, then find the radius of the semicircle.
read more ..
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LaTeX
Sep 7, 2021
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311
1
Complex Number
If z = 3 + 4i - 8 + 2i, find z^2.
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Guest
Sep 7, 2021
+1
292
1
+53
Pls help me asap!!
Ken and Chris had an equal number of books. If Ken gave 19 books away and Chris gave 11 books away, the ratio of the number of books Ken had to the number of books Chris had was 1:3. How many books did each boy have at first?
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Sturasion12345
Sep 7, 2021
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316
1
Probability
A point (x,y) is randomly selected such that 0 <= x <= 3 and 0 <= y <= 8. What is the probability that x + y <= 4? Express your answer as a common fraction.
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Guest
Sep 7, 2021
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219
1
Probability
There are 3 math clubs in the school district, with 5, 7, and 8 students respectively. Each club has two co-presidents. If I randomly select a club, and then randomly select four members of that club to give a copy of Introduction to Counting and Probability,
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Guest
Sep 7, 2021
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170
0
help polynomial
Find a monic polynomial of degree 4, in x, with rational coefficients such that sqrt(2) + sqrt(5) is a root of the polynomial.
Guest
Sep 7, 2021
0
185
0
Probability
sally spins a fair spinner numbered 1-6 and flips a fair coin. what is the probability of obtaining a multiple of 2 and a tail
Guest
Sep 7, 2021
0
340
2
Help
Find a linear inequality with the following solution set. Each grid line represents one unit.
Here is the graph: https://latex.artofproblemsolving.com/3/d/f/3df12b2d7a565680875d22ff817ca7a78107c100.png
(Give your answer in the form ax+by+c>0
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Guest
Sep 7, 2021
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234
1
Plz help
264 sweets were shared among a class of students, 5/9 of them received 4 sweets each. 1/3 of the remaining students received 3 sweets each and the rest received 2 sweets each. How many students were there at first?
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Guest
Sep 7, 2021
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331
1
+38
problem solving
You want to put a 6 inch thick layer of topsoil for a new 19 ft by 17 ft garden. The dirt store sells by the cubic yards. How many cubic yards will you need to order? The store only sells in increments of 1/4 cubic yards.
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Gue22858
Sep 7, 2021
0
339
1
+38
problem solving
Sound travels about 750 miles per hour. If you stand in a canyon and sound a horn, you will hear an echo.
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Gue22858
Sep 7, 2021
0
1
452
1
+38
problem solving
I was at the store, and saw two sizes of avocados being sold. The regular size sold for $0.91 each. For what prices would the larger avocado be a better deal?
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Gue22858
Sep 7, 2021
0
278
0
+38
problem solving
The store is selling lemons at $0.53 each. Each lemon yields about 2 tablespoons of juice. How much will it cost to buy enough lemons to make two 9-inch lemon pies, each requiring half a cup of lemon juice?
Gue22858
Sep 7, 2021
0
316
1
+38
problem solving
A car is driving at 100 kilometers per hour. How far, in meters, does it travel in 2 seconds?
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Gue22858
Sep 7, 2021
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