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Post New Question
All Questions
+0
234941 Questions
-1
420
1
Please Help! Thank you!
In triangle ABC, the angle bisector of angle BAC meets line segment BC at D, such that AD = AB. Line segment AD is extended to E, such that CD = CE and angle DBE = angle BAD. Show that triangle ACE is isosceles.
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Guest
Jun 2, 2020
-1
513
2
help
Mrs.Santos is 20 years older than her daughter.In 5 years,she will be 5 years more than twice as old as her daughter.Find their present age.
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Guest
Jun 2, 2020
0
716
2
+52
PLEASE HELP ASAP
Let P(x) be a nonconstant polynomial, where all the coefficients are nonnegative integers.
Prove that there exist infinitely many positive integers n such that P(n) is composite.
Please give me a hint ASAP! Thank you
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jaehanae
Jun 2, 2020
-1
549
0
feagras
Consuela is displaying a cylindrical case on a pedestal. She wants it to be placed so that there is an even amount of space on either side of the case. If the volume of the cylinder shown is 1,130.97 cubic inches, how much space will be on either side if
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Guest
Jun 2, 2020
-1
378
0
Help!
simplify 2/x-3 - 3/2x-5
the / is meant to be 'over' as if it is a fraction
Guest
Jun 2, 2020
0
550
1
maths triganometry
An angle in standard position passes through the point P(-5, -12). Include a diagram.
Show all calculations. Round angles to the nearest degree. (7 marks)
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Guest
Jun 2, 2020
0
479
1
help!
Find the sum of the first 200 terms of 3 + 8 + 13 + 18 + ...
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Guest
Jun 2, 2020
0
623
2
help
Solve x^2 - 5x - 12 = 0.
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Guest
Jun 2, 2020
0
548
1
minimum value
Find the minimum value of f(x) = x + 4/x for x> 0.
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Guest
Jun 2, 2020
+1
605
3
hard ineqality
Can anyone help with this?
solve (x + 1)/(x^2 -4 ) > 0
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Guest
Jun 2, 2020
+1
616
1
trig
Find the smallest angle x greater than 2520 degrees that satisfies cos(x) = -sqrt(3)/2 and sin(x) = 1/2.
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Guest
Jun 2, 2020
0
963
1
Proof question
Let a, b, and c be positive real numbers. Prove that Under what conditions does equality occur? That is, for what values of a, b, and c are the two sides equal?
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Guest
Jun 2, 2020
0
493
1
please help
How many quarts of a solution that is 80% water must be added to 10 quarts of a solution that is 40% water to produce a solution that is 64% water?
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Guest
Jun 2, 2020
+1
829
4
(I have posted it twice and got no responce. Plz help somebody
Six people are sitting around a circular table, and each person has either blue eyes or green eyes. Let $x$ be the number of people sitting next to at least one blue-eyed person, and let $y$ be the number of people sitting next to at least one green-eyed
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Guest
Jun 2, 2020
0
551
1
Another inscribed angle question, please explain
Trapezoid HGFE is inscribed in a circle, with . If arc GH is 70 degrees, arc EH is x^2 - 2x degrees, and arc FG is 56 - 3x degrees, where x > 0, find arc EPF, in degrees.
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Guest
Jun 2, 2020
+1
552
1
help
How many integers n, 1 <= n <= 4000, are multiples of 16 or 25 or both?
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Guest
Jun 2, 2020
0
625
1
Inscribed angles question, please explain
In the diagram below, is a diameter of the circle. Find , in degrees.
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Guest
Jun 2, 2020
0
429
1
Question
Suppose that f(x) and g(x) are functions on R such that the range of f is [-5,3], and the range of g is [-2,1]. The range of f(x) * g(x)$ is [a,b]. What is the largest possible value of b?
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Guest
Jun 2, 2020
0
554
1
coordinates
Given points P(–2, 7) and Q(4, y) in a coordinate plane, for what value of y is the slope of the line through P and Q equal to -3/2?
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Guest
Jun 2, 2020
0
884
1
help
An ammonia and water mixture fills a five-gallon container. Eighty percent of the mixture is ammonia but some of the mixture will be drained and replaced with pure water. If a fivegallon mixture of fifty percent ammonia is desired, how many quarts
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Guest
Jun 2, 2020
0
1361
1
+865
need help...
A circle is centered at (5,15) and has a radius of sqrt130 units. Point Q = (x,y) is on the circle, has integer coordinates, and the value of the x-coordinate is twice the value of the y-coordinate. What is the maximum possible value for
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AnimalMaster
Jun 2, 2020
+1
574
1
help me plz
Alice and Bob each have a certain amount of money. If Alice receives dollars from Bob, then she will have times as much money as Bob. If, on the other hand, she gives dollars to Bob, then she will have times as
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Guest
Jun 2, 2020
-4
708
0
+73
Select all true statements. A. The sector in circle B has a larger area than the sector in circle A.
Select all true statements.
A. The sector in circle B has a larger area than the sector in circle A.
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GAMEMASTERX40
Jun 2, 2020
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