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All Questions
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236350 Questions
0
267
1
Quadratic
The graph of a certain quadratic y=ax^2+bx+c is a parabola with vertex (-4,0) which passes through the point . What is the value of a?
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Guest
Apr 24, 2022
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256
1
Parabola
Find the vertex of the graph of the equation y=-2x^2+8x-15+3x^2-6x+22.
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Guest
Apr 24, 2022
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267
1
System
If x, y, and z are positive with xy = 20, xz = 35, and yz = 14, then what is xyz?
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Guest
Apr 24, 2022
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264
1
PLS HALPPPP!!!
Let and be the solutions to
Find
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Guest
Apr 24, 2022
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285
1
quadratic
Write down the quadratic equation whose roots are x=-7 and x=, and the coefficient of x^2 is 1.
Enter your answer in the form "x^2 + bx + c = 0".
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Guest
Apr 24, 2022
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167
0
geometry problem
The medians AD, BE, and CF of triangle ABC intersect at the centroid G. The line through G that is parallel to BC intersects AB and AC at M and N , respectively. If the area of triangle AGM is 144, then find the area of triangle AGN.
Guest
Apr 24, 2022
Apr 23, 2022
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270
1
Probability
A card is drawn from a standard deck, it is replaced and another card is drawn. What is the probability that the first card is a jack and the second card is a heart?
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Guest
Apr 23, 2022
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306
1
+38
MATHS
Mario wants to give out an equal number of blue shells to each friend. If he gives 10 blue shells to each friend, he will be short of 30 blue shells. If he gives 8 blue shells to each friend, he will be short of 6 blue shells. How many friends did he have?
read more ..
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appleboi1u
Apr 23, 2022
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179
0
Area of a Triangle
Find the area of a triangle with side lengths 13, 17, and 12*sqrt(5).
Guest
Apr 23, 2022
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277
1
geometry
Let ABC be a right triangle such that B is a right angle. A circle with diameter of BC meets side AC at D. If the area of ABC is 150 and AC = 40 then what is BD?
asinus
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Guest
Apr 23, 2022
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280
1
Inequality
Solve the inequality 2x - 5 <= -x +12 + 3x - 8. Give your answer as an interval.
asinus
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Guest
Apr 23, 2022
0
279
1
Circles
Segment AB measures 4 cm and is a diameter of circle P. In triangle ABC, point C is on circle P and BC = cm. What is the area of the shaded region?
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Guest
Apr 23, 2022
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181
0
functions
Given f(x) = sqrt(x - 3)/(x - 2), what is the smallest possible integer value for f(x) such that x has a real number f(x) value?
Guest
Apr 23, 2022
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232
1
Find the equation of the plane passing through the points (-3, 4,-2), (1, 4, 0) and (3, 2 , -1) Enter your answer in the form Ax+By+Cz=D
Find the equation of the plane passing through the points (-3, 4,-2), (1, 4, 0) and (3, 2 , -1) Enter your answer in the form Ax+By+Cz=D
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Guest
Apr 23, 2022
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346
2
Coordinates
The line y = 3x - 10 intersects a circle centered at the origin at A and B. We know the lenght of chord AB is . Find the area of the circle.
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Guest
Apr 23, 2022
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278
1
Coordinates
Two black lines pass through the origin, as shown below. If their slopes are 2 and 4, then find the slope of the red line that bisects the acute angle between these lines.
read more ..
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Guest
Apr 23, 2022
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272
1
3d geometry
A rectangular prism has a total surface area of 56. Also, the sum of all the edges of the prism is . Find the length of the diagonal joining one corner of the prism to the opposite corner.
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Guest
Apr 23, 2022
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261
1
Parabolas
Two parabolas are the graphs of the equations y=2x^2-10x-10 and y=x^2-4x-16. Find all points where they intersect. List the points in order of increasing x-coordinate, separated by semicolons.
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Guest
Apr 23, 2022
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283
1
Coordinate problem
The points (1, 7), (13, 16) and (6, k), where k is an integer, are vertices of a non-degenerate triangle. What is the sum of the values of k for which the area of the triangle is a minimum?
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Guest
Apr 23, 2022
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161
0
Need help
Find the constant k so that for all positive real numbers x and y with y not equal to 1.
Guest
Apr 23, 2022
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419
1
help i dont understand how to do
If $x$ and $y$ are positive integers for which $3x + 2y + xy = 115 + 7x + 6y$, then what is $x + y$?
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Guest
Apr 23, 2022
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267
2
triangle geometry
In triangle ABC , AB = 7 , BC = 8, and the length of median AM is . Find AC.
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Guest
Apr 23, 2022
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