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Post New Question
All Questions
+0
230628 Questions
0
831
2
help
Find angle a + angle b + angle c + angle e.
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Guest
Dec 27, 2019
-1
770
2
+152
Help again srry
1)This circle passes through the points (-1, 2),(3,0) and (9,0). The center of the circle is at (h, k). What is the value of h+k?
2)The values of a function f(x) are given below:
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BIGChungus
Dec 27, 2019
-1
722
2
+152
Help
The graph of y=ax^2+bx+c is given below, where a, b, and c are integers. Find a-b+c
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BIGChungus
Dec 27, 2019
-2
795
1
+152
Help
If $f(x)=\dfrac{2}{x+1}$, then what is the value of $f^{-1}\left(\frac{1}{5}\right)$?
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BIGChungus
Dec 27, 2019
+1
991
10
+2862
Some Advice for Course Selection
Going to highschool next year, and I have a choice between:
AP Computer Science
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off-topic
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CalculatorUser
Dec 27, 2019
0
1402
1
+24
Help! Thank you.
1. Simplify $\frac{3}{\sqrt[5]{16}}+\frac{1}{\sqrt{3}}$ and rationalize the denominator. The result can be expressed in the form $\frac{a^2\sqrt[5]{b}+b\sqrt{a}}{ab}$, where $a$ and $b$ are integers. What is the value of the sum $a+b$?
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Elen8
Dec 27, 2019
0
634
3
Rolling Dice!
5 fair 6-sided dice are rolled. What is the probability of obtaining 2 ones and the sum of the remaining three = 10? Thank you for help.
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Guest
Dec 27, 2019
0
734
1
geo help
In the given figure, ABCD is a parallelogram. If the area of the parallelogram is 156 sq cm, find the length of AL.
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Guest
Dec 27, 2019
Dec 26, 2019
0
606
1
help
Find the number of positive real numbers x such that
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Guest
Dec 26, 2019
0
401
0
help
Find the six digit number ABCDEF such that ABCDEF = (ABC)^2 + (DEF)^2.
Guest
Dec 26, 2019
-1
369
0
help
In trapezoid ABCD, base AD is twice as long as BC. E is the midpoint of leg AB, and F is a point on leg CD. Ray EF intersects ray AD in G, and AD = DG. Find the ratio CF:FD.
Guest
Dec 26, 2019
0
395
0
help
In the diagram, line l passes through the centroid of triangle ABC.
If the perpendicular distance between A and line l is 2, and the perpendicular distance between B and line l is 6, then what is the perpendicular
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Guest
Dec 26, 2019
0
403
1
help
Which of the numbers 222^{555}, 333^{444}, 444^{333}, 555^{222} is largest?
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Guest
Dec 26, 2019
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2538
2
Help please
How many ways can you write two different letters, so that they are in alphabetical order? For example, AB and CT count, but ZA does not.
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Guest
Dec 26, 2019
0
491
1
help
Let x, y, z be integers such that x^2 + y^2 + z^2 = 18 and xy + yz + zx = 9. Find |x| + |y| + |z|.
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Guest
Dec 26, 2019
0
382
1
help
Simplify
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Guest
Dec 26, 2019
0
783
8
help pls
A unit square is drawn. Then an equilateral triangle is constructed on each side of the unit square, and the four new points of the diagram are joined to form a larger square. Find the area of the larger square.
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Guest
Dec 26, 2019
0
1272
2
+312
TRIGONOMETRY
In right triangle ABC, we have angle BAC = 90 degrees and D is on AC such that BD bisects ABC. If AB = 12 and BC = 15, then what is the cosine of angle BDC?
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mathleteig
Dec 26, 2019
0
645
1
help
In the diagram, AB = BC = AC - 1. If the radius of the inscribed triangle is 3/2, then find the area of the triangle.
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Guest
Dec 26, 2019
0
704
2
help
Find the area of the colored region.
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Guest
Dec 26, 2019
0
582
1
help
If sec 4A = csc (A - 20), where 4A is acute, then find A.
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Guest
Dec 26, 2019
0
625
1
математика
12 га это сколько
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Guest
Dec 26, 2019
0
415
2
help
x + x + y = 14
L + L + z = 20
x + y + z = 12
x + z + L = 18
read more ..
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Guest
Dec 26, 2019
+1
1
1123
2
geometry
What is the radius of the small, red circle?
Omi67
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Guest
Dec 26, 2019
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