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Post New Question
All Questions
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230582 Questions
0
500
2
I'm stuck
Two candles of the same length are lighted at the same time.The first is consumed in 6 hours and the second in 4 hours.Assuming each candle burns at a constant rate,in how many hours after being lighted was the first candle twice the length of the second.
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Guest
Jun 21, 2020
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345
0
need help
The arc lengths of the small and large circles is π and 4π respectively.
If the radius of the smaller circle is 5, find the length of the segment labeled x.
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Guest
Jun 21, 2020
0
362
0
help
If CD=12 and E and F are the mid points of AD and BC respectively, find the area of the shaded area.
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Guest
Jun 21, 2020
0
336
0
can you help?
For a real number x, find the minimum value of cos(2x) + cos(x).
Guest
Jun 21, 2020
+9
732
4
+770
What would the conditions be?
We define a bow-tie quadrilateral as a quadrilateral where two sides cross each other. An example of a bow-tie quadrilateral is shown below.
Seven
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CentsLord
Jun 21, 2020
0
633
1
help
ABCD is a quadrilateral with measurements of its sides shown in the above diagram. If AB is parallel to CD What is the area of the quadrilateral?
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Guest
Jun 21, 2020
0
451
1
need help
Let f(x) be a linear function. Given that f(6) - f(2) = 12, find f(12) - f(2).
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Guest
Jun 21, 2020
0
368
1
A Little Help?
In right triangle ABC, angle C = 90 degrees. Median AM has a length of 19, and median BN has a length of 13. What is the length of the hypotenuse of the triangle?
Sorry for posting for a second time!
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Guest
Jun 21, 2020
0
342
0
help
Factor 9x^2 - 6ax + a^2 - b^2.
Guest
Jun 21, 2020
0
600
12
I'm a little bit confused.
Triangle ABC is isosceles with AB = BC. If AC = 20 and [ABC] = 240, then find the perimeter of triangle ABC.
Hello! I have this problem for a math class and I'm a bit confused. What do the brackets around ABC mean? Please don't
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Guest
Jun 21, 2020
0
329
0
help
Suppose a, b, c and d are positive numbers. There are 6 possible products obtained by pairing them (namely ab, ac, ad, bc, bd and cd). The values of 5 products (in random order) are 2, 3, 5, 6, 9. Find the sixth product.
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Guest
Jun 21, 2020
0
457
1
please help
As it is shown in the diagram on the right, there is a 10cm square inside the quarter of the circle.
Find the area of the shaded part
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Guest
Jun 21, 2020
0
408
0
help
A circle passes through three points P, Q and R. Given that PR is a diameter of circle, PQ is 24 and QR is 7, find the area of the shaded region.
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Guest
Jun 21, 2020
0
388
2
hellp plz
If and
find
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Guest
Jun 21, 2020
0
570
4
I dont really know how to do this
hi! So let me give you the question then my thoughts
question- Points T and U lie on a circle centered at O, and point P is outside the circle such that and are tangent to the circle. If , then what
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Guest
Jun 21, 2020
0
626
3
who can answer it?
Four-fifths of 1195?
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Guest
Jun 21, 2020
0
505
1
help
The perimeter of a rhombus is 48 and the sum of the lengths of its diagonals is 26.
What is the area of the rhombus?
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Guest
Jun 21, 2020
0
541
1
Math
Hello:
I need help with this math question with how to solve answer:
The percentage voters who voted in this election was 55%, up 179 the percentage that voted at the last election.
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Guest
Jun 21, 2020
0
349
0
help
Let ABC be a triangle in which AB = AC and let I be its incentre. Suppose BC = AB + AI. Find the value of ∠BAC in degrees.
Guest
Jun 21, 2020
0
370
0
geometry
A square is inscribed in circle C,circle D is inscribed in that square. what is the ratio of arears of circe C to D?
Guest
Jun 21, 2020
0
514
1
need help
Above shows a unit square ABCD such that both semi-circles passing through the centre of the square, O. Find the area of the shaded region. Answer to 3 significant figures.
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Guest
Jun 21, 2020
0
408
1
Quadratic Equations
A quadratic of the form -2x^2+bx+c has roots of 3+sqrt5 and 3-sqrt5. The graph of y=-2x^2+bx+c is a parabola. Find the vertex of this parabola.
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Guest
Jun 21, 2020
0
505
4
Some Quick Advice
So, this is not really a question for a problem, but I just wanted to ask for some quick advice. So, I've been doing online math classes for about one and a half years now, and sometimes when I really can't figure questions out, (Yes, I actually do try
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off-topic
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Guest
Jun 21, 2020
0
1084
1
+334
HALP!!!
wo friends Bill and Tony want to evaluate each sum shown below and round it to the nearest whole number. Bill decides to take a shortcut by first rounding off each number in the sum to the nearest whole number, and then adding the whole numbers. Tony decides
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Rayjplayz
Jun 21, 2020
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