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Post New Question
All Questions
+0
232802 Questions
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338
1
Counting
Find the number of paths from A to B (Each step can only go up or to the right.)
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Guest
Jul 9, 2021
0
557
1
+56
help is thanked
In the figure, angles $ABC$ and $AST$ are right angles. If $AC = 35$, $AT = 11$, and $BT = 10$, then what is $AS$?
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LaTeX
Jul 9, 2021
0
384
1
parabola
The -intercepts of the parabola y = ax^2 + bx + c are (-3,0) and (8,0). Find the equation of the parabola, and submit your answer in y = ax^2 + bx + c form.
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Guest
Jul 9, 2021
0
364
1
parabola
The vertex of a parabola is at (12,-4), and its axis of symmetry is vertical. One of the x-intercepts is at (18,0). What is the x-coordinate of the other x-intercept?
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Guest
Jul 9, 2021
0
362
1
Algebra
Find a monic quartic polynomial f(x) with rational coefficients whose roots include x = 1-sqrt2 and x=3+sqrt5. Give your answer in expanded form.
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Guest
Jul 9, 2021
0
366
1
need help
Fill in the blank with a constant, so that the resulting expression can be factored as the product of two linear factors.
3mn - 6m + 15n + ___
catmg
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Guest
Jul 9, 2021
0
440
11
+137
'simple' Algebraic manipulation.
If m/n = 15, p/n = 3, and p/q = 1/10. find m/q
How should I do this?
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HighSchoolDx
Jul 9, 2021
0
373
1
+83
help
In triangle ABC, AB=13, AC=15, and BC=14. Let I be the incenter. The incircle of triangle ABC touches BC, AC, and AB at D,E,F, respectively. Find the length of BI.
https://latex.artofproblemsolving.com/f/9/b/f9b6f8510916b9a73ea7eec93f2ad55579f7f4e4.png
read more ..
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floccinaucini
Jul 9, 2021
0
312
1
help!
In triangle ABC, AB=13, AC=15, and BC=14. Let I be the incenter. The incircle of triangle ABC touches BC, AC, and AB at D,E,F, respectively. Find the length of BI.
https://latex.artofproblemsolving.com/f/9/b/f9b6f8510916b9a73ea7eec93f2ad55579f7f4e4.png
read more ..
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Guest
Jul 9, 2021
0
348
2
help counting
Catherine rolls a 6-sided die five times, and the product of her rolls is 1500. How many different sequences of rolls could there have been? (The order of the rolls matters.)
HighSchoolDx
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Guest
Jul 9, 2021
0
523
2
I need some help solving this Quadratic equation (Its a word problem)
h(d)= -3.9d2+13.1d+8.7
When Alex rides his dirt bike off a ramp, his path can be modelled by, where d is the horizontal distance from the ramp and h is the height, both in metres. How far away from the ramp does he land, to the nearest tenth of
read more ..
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Guest
Jul 9, 2021
0
293
1
Equations of Lines
Find the equation of the line passing through the points (-2,-17) and (-5,11). Enter your answer in "y = mx + b" form.
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Guest
Jul 9, 2021
0
371
1
+14
Help Please
If a is such a constant so that 9x^2 + 24x+a is the square of a bionamal. What is a?
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IExist
Jul 9, 2021
0
387
1
Find $AX$ in the diagram.
https://latex.artofproblemsolving.com/4/9/c/49cefc02087d4c283f580a502266eb1011748a66.png
ElectricPavlov
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Guest
Jul 9, 2021
0
344
1
help plz
A circle centered at O is circumscribed about Triangle ABC as follows: What is the measure of BAC?
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Guest
Jul 9, 2021
0
352
1
help!
We have a triangle ABC such that AB=6, BC=8, and CA=10 If AD is an angle bisector such that D is on BC, then find the value of AD^2.
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Guest
Jul 9, 2021
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327
1
help appreciated
help appreciated
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Guest
Jul 9, 2021
0
418
3
Geometry
Let XY be a tangent to a circle, and let XBA be a secant of the circle, as shown below. If AX = 15 and XY = 8, then what is AB?
read more ..
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Guest
Jul 9, 2021
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341
2
need help doing revision
i need on these plz help appreciated
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Guest
Jul 9, 2021
0
353
1
Parabola
A parabola has two x intercepts at (-2 , 0) and (-3 , 0) and passes through the point (5 , 10). Find the equation of this parabola.
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Guest
Jul 9, 2021
0
282
1
I need help on my math homework (pre-calc quadratic) Thank you!!
Two numbers have a sum of -10 and a product of -11. What is the value of the positive number, to the nearest tenth?
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Guest
Jul 9, 2021
0
295
3
Answer this question please
The six faces of a cube are painted black. The cube is then cut into $5^3 = 125$ smaller cubes, all the same size. How many of the smaller cubes have exactly one black face?
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Guest
Jul 9, 2021
0
426
2
math
In how many ways can a family of six people be seated at a round table if the youngest kid must sit next to at least one of the parents?
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Guest
Jul 9, 2021
0
402
1
please can you help i am stuck
The height h metres of a ball at time t seconds after it is thrown up in the air is given by the expression: h = 1 + 15t - 5t^2
(i) find the times at which the height is 11m.
(ii) Use your calculator to find the time at which the ball hits the ground.
(iii)
read more ..
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Guest
Jul 9, 2021
0
365
1
help with algebra
For a certain value of k, the system
3a + 4b = 7,
6a + 4b = k - 3a - 8b
read more ..
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Guest
Jul 9, 2021
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