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229738 Questions
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2208
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In quadrilateral $BCED$, we have $BD = 11$, $BC = 9$, and $CE=2$. Sides $\overline{BD}$ and $\overline{CE}$ are extended past $B$ and $C$, r
In quadrilateral $BCED$, we have $BD = 11$, $BC = 9$, and $CE=2$. Sides $\overline{BD}$ and $\overline{CE}$ are extended past $B$ and $C$, respectively, to meet at point $A$. If $AC = 8$ and $AB = 5$, then what is $DE$?
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Guest
Dec 22, 2019
0
659
3
help, I can't figure it out
John noticed that the angle formed by the minute hand and hour hand on a standard 12-hour clock was 110 degrees when he left home after 6 p.m.; it was also 110 degrees when he returned before 7 p.m. that same night. If he left home for more than five minutes,
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Guest
Dec 22, 2019
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329
0
help
There are two circles that have their centers on the x-axis, pass through the origin, and are tangnet to the cirlce (x - 7)^2 + (y - 6)^2 = 25. Find the radius of the smaller of the two circles.
Guest
Dec 22, 2019
0
502
1
help
Find the sum of all the numbers between 0 and 20000 which is divisible by 99.
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Guest
Dec 22, 2019
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425
2
Question about a question.
So I need help with this problem:
How many different non-congruent isosceles triangles can be formed by connecting three of the dots in a 4x4 square array of dots like the one shown below?
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Guest
Dec 22, 2019
0
413
2
Help thx
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
Dec 22, 2019
0
985
3
Help pls!
My trip to work is 120 miles. If I go 8 mph faster than my usual speed, I'll get to work 30 minutes earlier. How long does my trip take, in hours, if I go my usual speed?
Hi, what I have so far are the equations 120=rt
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Guest
Dec 22, 2019
0
607
1
help
Solve for real x:
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Guest
Dec 22, 2019
0
731
2
+118
Help please with an algebra functions problem
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OlympusHero
Dec 22, 2019
0
703
2
help
Solve the system x/(x^2 + y^2) = 1 and y/(x^2 + y^2) = 2.
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Guest
Dec 22, 2019
0
1892
1
help
If three standard, six-faced dice are rolled, what is the probability that the sum of the three numbers rolled is 9? Express your answer as a common fraction.
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Guest
Dec 22, 2019
0
577
2
help
If (cos(A) - sin(A))/(cos(A) + sin(A)) = (1 - sqrt(3))/(1 + sqrt(3)) and 0 < A < 90, then find A.
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Guest
Dec 22, 2019
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650
1
help
For y > 0, the given curve 2y^2 + x^2 = 64 is moved 5 units to the right. Find the point of intersection (x,y).
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Guest
Dec 22, 2019
0
577
1
help
In the square ABCD, E is the midpoint of AB. A line is drawn from E, perpendicular from CE, and intersecting AD at F. Find the ratio of angle BCF to angle BCE.
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Guest
Dec 22, 2019
0
544
2
help
A blue square is divided into five congruent rectangles. If the perimeter of one rectangle is 36, find the perimeter of the blue square.
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Guest
Dec 22, 2019
0
576
1
help
Below shows a sphere inscribed inside a cylinder. Find the ratio of volumes between the sphere and the cylinder.
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Guest
Dec 22, 2019
0
581
1
help
Find the volume of the solid
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Guest
Dec 22, 2019
0
521
1
help
There is a cone.The slant height of cone is 6√3 and radius is 3√3. There is a sphere inscribed in the cone(touching its base and curved surface). Find the radius of sphere.
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Guest
Dec 22, 2019
-1
658
1
+312
GEOMETRY VII
The line joining (3, 2) and (6, 0) divides the square shown into two parts. What fraction of the area of the square is above this line? Express your answer as a common fraction.
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mathleteig
Dec 22, 2019
0
425
1
help
Triangle ABC is a right triangle with the 90 degree angle located on Angle A. Point W is a point on segment AB, Point X on segment AC, and Points Y and Z on Segment BC such that WXYZ is a square.
If BZ = 6 and YC = 8 (the measure
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Guest
Dec 22, 2019
Dec 21, 2019
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551
1
help
Find the largest three-digit number (written in decimal notation) that is divisible by 22 and such that the sum of the units digit and the tens digit is 11.
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Guest
Dec 21, 2019
0
394
2
Help
We call a number memorable if every digit in the number is either a $1$ or adjacent to a $1.$ For example, the numbers $111,$ $81,$ $101,$ and $1771$ are all memorable, but the numbers $12321,$ $786,$ $140,$ and $1999$ are not memorable.
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Guest
Dec 21, 2019
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700
1
algebra 1
On a normal day, I can walk from my house to school in three quarters of an hour. The return trip takes me the same amount of time. My mom, driving our car, covers that distance in about a quarter of the time that it takes me. If I go to school five days
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ElectricPavlov
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Guest
Dec 21, 2019
0
570
1
help
In triangle ABC, AC = 3, BC = 4, and AB = 5. A semicircle with its center on segment AC is tangent to AB and BC. Find the radius of the semicircle.
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Guest
Dec 21, 2019
0
499
1
HELP PLEASE !! i need this quickly :(
assuming that p and q do not equal 0, simplify
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Guest
Dec 21, 2019
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