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Post New Question
All Questions
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237676 Questions
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634
3
Let ABC be a triangle with AB = 13, BC = 14, and AC = 15. The incircle
Let ABC be a triangle with AB = 13, BC = 14, and AC = 15. The incircle
of ABC touches AB and AC at points D and E, respectively. The triangle’s
A−excircle (tangent to segment BC and the extended rays AB and AC, outside of
the triangle)
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Guest
Jul 10, 2021
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289
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MATH HELP PLS
Let G be the centroid of acute 4ABC. Let D and E be the projections of G onto
sides AB and AC, respectively. Prove that ∠ADE = ∠AGE.
Guest
Jul 10, 2021
0
296
0
Number Theory
What is the least positive integer which when divided by 5 gives a remainder of 4, when divided by 6 gives a remainder of 5, when divided by 7 gives a remainder of 0, when divided by 8 gives a remainder of 1, when divided by 9 gives a remainder of 2, and
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Guest
Jul 10, 2021
0
477
2
quadratic
Find the smallest value of x such that x^2 + 10x + 25 = 8 + 17.
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Guest
Jul 10, 2021
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420
1
geometry
What is the radius of the circle inscribed in triangle ABC if AB = 10, AC = 17, BC = 25? Express your answer as a decimal to the nearest tenth.
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Guest
Jul 10, 2021
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485
3
help plz
Find length BC.
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Guest
Jul 10, 2021
0
484
2
inequality
Solve the inequality x^3 + 4x > 5x.
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Guest
Jul 10, 2021
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443
2
quadratic
Find the largest integer k such that the equation
5x^2 - kx + 8 = 4x^2
has no real solutions.
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Guest
Jul 10, 2021
0
527
1
help rates
Impeded by the current, the outing club took 4 hrs and 24 mins to paddle 11 km up the exeter river to their campsite last weekend. the next day, the current was with them, and it took only 2 hrs to make the return trip to campus. everyone paddled with the
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Guest
Jul 10, 2021
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532
1
money
Most of Conservative Casey's money was put into a savings account that paid 5% interest a year, but some of it was put into a risky stock fund that paid 16% a year. Casey's total initial investment in the two accounts was $10000. At the
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Guest
Jul 10, 2021
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422
1
help quadratic
Fill in the blank with a constant, so that the resulting quadratic is the square of a binomial: x^2 + 5/4*x + ___
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Guest
Jul 10, 2021
0
464
1
HELLPPPPP
Anna and Becker both participate in a bicycle race. Anna pedals 20 mph and Becker pedals at 18 mph. Anna crosses the finish line 10 minutes before Becker. How long is the race?
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Guest
Jul 10, 2021
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329
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coordinates
Let P=(a,b) be the point of intersection of the line y=2x+10 and the line through (7,-8) and (9,0). Compute a+b.
Guest
Jul 10, 2021
0
485
2
What would this number be in words? It's my Amazon tracking number mixed up a little bit but I'm just wondering what it would be
What would this number be in words? It's my Amazon tracking number mixed up a little bit but I'm just wondering what it would be
420553449300120207600526505845
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Guest
Jul 10, 2021
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468
2
Coordinates
A quadrilateral has four points A(0,1), B(1,3), C(5,2) and D(4,1) as coordinates, how do I find the area?
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Guest
Jul 10, 2021
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434
1
help plz
A circle passes through the point (12,0), and is tangent to the y-axis at the point (0,8). Find the radius of the circle.
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Guest
Jul 10, 2021
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429
1
Precalculus
For how many values of n with 0 <= n <= 100 is the graph of f(x) = sin(2x + n) identical to the graph of g(x) = cos(2x)?
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Guest
Jul 10, 2021
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456
1
help solve it
What is the largest number that will always divide the sum of any 8 consecutive positive integers?
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Guest
Jul 10, 2021
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705
7
Please, someone, anyone, help me. Please.
Solve $3a + 4b = a - 8b + 24$ for $a$ in terms of $b$.
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Guest
Jul 10, 2021
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462
2
coordinates
Find y if the point (-6,y) is on the line that passes through (-1,-7) and (3,-2).
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Guest
Jul 10, 2021
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373
2
please help asap
What is the ratio of the width to length of a folded sheet of paper if the rectangle formed when the sheet is folded in half (as shown below) is similar to the original rectangular sheet? Express your answer as a common fraction in simplest radical form.
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Guest
Jul 10, 2021
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280
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help geometry
Let ABCD be a trapezoid with bases BC and AD. In this trapezoid, angle DBA = 105, angle ABD = 48, and angle BCD = 147. Find angle CBD, in degrees.
Guest
Jul 10, 2021
+1
531
2
+51
need help with a tricky question!
if , find the roots of
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CCeed
Jul 10, 2021
+1
525
2
+51
Algerbra help please!
I think I typed it correctly now...
If , what is the result of x+1/y+1?
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CCeed
Jul 10, 2021
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350
1
help with graphing
What is the smallest distance between the origin and a point on the graph of y=1/sqrt(2) + (x^2-3)?
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Guest
Jul 10, 2021
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