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Post New Question
All Questions
+0
230624 Questions
0
447
1
help with algebra
Given x_1,x_2 are the real roots of x^2-2mx+(m^2+4m+5)=0, please determine the minimum value of (x_1)^2+(x_2)^2.
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Guest
Jan 1, 2021
0
320
1
3d geo
A right circular cone and a right circular cylinder each have a radius of 4 and a height of 4. Let A and B be the lateral surface areas of the cone and cylinder, respectively. Find A/B.
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Guest
Jan 1, 2021
+1
443
3
triangle question
Triangles BDC and ACD are coplanar and isosceles. If we have angle ABC = 70, what is angle BAC, in degrees?
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Guest
Jan 1, 2021
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325
1
geometry
In triangle ABC, BC = 8. The length of median AD is 6. Let M be the largest possible value of AB^2 + AC^2, and let m be the smallest possible value. Find M - m.
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Guest
Jan 1, 2021
+1
620
9
Help ASAP pls!!!
Florist Florence buys flowers wholesale at 49 dollars a bouquet. If she sells them at 50 dollars a bouquet, she makes a 10 dollar profit for each sale but she can only sell 500 bouquets. For every 1 dollar she raises the price above $50, the number
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Guest
Jan 1, 2021
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585
4
angles
The largest interior angle in an isosceles trapezoid is 5 times the measure of the smallest interior angle. What is the measure, in degrees, of the smallest interior angle in the trapezoid?
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Guest
Jan 1, 2021
+9
529
3
+336
Happy new year RIGHT ON THE BALL DROP to the USA people!!
Happy new year RIGHT ON THE BALL DROP to the USA people!!
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wolfiechan
Jan 1, 2021
+1
580
3
probability
eliza creates a 6 sided die by randomly choosing 6 integers between 1 and 7 inclusive to paint onto the sides of a blank cube. what is the probability that the faces of her die sum to 20.
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Guest
Jan 1, 2021
+7
459
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+336
oof
Head hurts bad sorry if I got some of the answers wrong Hope I helped most of you guys If you need a more in debt answer to your quesion feel free to ask Hope you all have a nice night or day! -wolfie
wolfiechan
Jan 1, 2021
0
426
4
geometry question
The diagram, K, O, and M are centers of the three semi-circles. Also, OC = 32 and CB = 40. Line l is drawn to touch smaller semi-circles at points S and E so that KS and ME are both perpendicular to l. Determine the area of quadrilateral KSEM.
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Guest
Jan 1, 2021
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541
6
2nd Repost
The parabola $P$ has focus $(0,0)$ and goes through the points $(4,3)$ and $(-4,-3)$. For how many points $(x,y)\in P$ with integer coordinates is it true that $|4x+3y|\leq 1000$?
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Guest
Jan 1, 2021
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465
5
help with coordinates
Find the distance between the x-intercept and the y-intercept of the graph of the equation 5x - 12y = 40 .
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Guest
Jan 1, 2021
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860
2
isosceles triangle
Triangle ABC is isosceles with angle B congruent to angle C. The measure of angle C is five times the measure of angle A. What is the number of degrees in the measure of angle B?
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Guest
Jan 1, 2021
+1
544
11
+48
Linear Diophantine Equations
x,y,z are three consecutive positive odd integers that satisfy y^2 - x^2 = 344. Find the value of z?
Work done:
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TheOddOne
Jan 1, 2021
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753
2
non-square rectangle
A non-square rectangle has integer dimensions. The number of square units in its area is four times the number of units in its perimeter. What is the smallest possible length for the perimeter?
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Guest
Jan 1, 2021
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324
4
Help Repost
For some real number $r,$ the polynomial $8x^3 - 4x^2 - 42x + 45$ is divisible by $(x - r)^2.$ Find $r.$
My go at it:
I immediately tried factoring it, and magically, the factored expression was:
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Guest
Jan 1, 2021
+9
603
13
+336
off topic because nothing better to do :)
Is it true you can make friends on this :o Im new to this stuff. Happy early new year tomorrow is 2021 Hopefully It will be better than this year (not saying this year was bad) It just could've been better!
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wolfiechan
Jan 1, 2021
+1
625
2
geometry
The square shown is divided into 4 congruent rectangles. If the perimeter of the square is 150 units, what is the perimeter of one of the four congruent rectangles?
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Guest
Jan 1, 2021
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487
1
need counting help
At the national curling championships, there are three teams of four players each. After the championships are over, the very courteous participants each shake hands once with every member of the opposing teams, and once with each member of their
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Guest
Jan 1, 2021
Dec 31, 2020
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335
1
HELP ME
Andrea has $18 to spend. She spent $6.50, including tax, to buy a notebook. She needs to save $5.75, but she wants to buy a snack. If candy bars cost $1.15 per package including tax, what inequality would show the maximum number of packages that Andrea
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Guest
Dec 31, 2020
0
410
1
algebraic solutions
The solutions of x(x - 3) = 2 may be expressed in the form (a + sqrt(b))/c and (a - sqrt(b))/c, where a, b, and c are prime numbers. Find a + b + c.
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Guest
Dec 31, 2020
0
257
0
integer roots
Given quadratic equation x^2+cx+a=0 has two integer roots x_1, x_2; Quadratic Equation x_2+ax+b=0 has two integer roots x_1', x_2'. If x_1-x_1'=3 and x_2-x_2'=4, please determine the value of a+b+c.
Guest
Dec 31, 2020
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