All Questions ⁺⁰230876 Questions

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help math

A sphere is inscribed in a cone with height 3 and base radius 4. What is the ratio of the volume of the sphere to the volume of the cone?
The original is wrong for some reason.

Hi69420 1 hour ago

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Halp

Hi69420 1 hour ago

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+131

Geometry

In triangle ABC, point X is on side BC such that AX = 10, BC = 10, CX = 5, and the circumcircles of traingles ABX and ACX have the same radius. Find the area of triangle ABC.

Stanry 8 hours ago

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+131

Geometry

Semicircles are constructed on AB, AC,and BC. A circle is tangent to all three semicircles. Find the radius of the circle.

Stanry 8 hours ago

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+131

Geometry

Let $\overline{AB}$ be a diameter of a circle, and let $C$ be a point on the circle such that $AC = 4$ and $BC = 4.$ The angle bisector of $\angle ACB$ intersects the circle at point $M.$ Find $CM.$

Stanry 8 hours ago

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Geometry help plz

Let ABCD be a regular tetrahedron. Let E,F , G,H be the centers of faces BCD , ACD,ABD,ABC respectively. The volume of pyramid ABCD is 18 Find the volume of pyramid EFGH .

jackg 9 hours ago

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Trigonometry question

What is the period of ? (Give your answer in radians.)

Hi69420 9 hours ago

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What is the degree of the polynomial ?

What is the degree of the polynomial ?

Hi69420 9 hours ago

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+28

Binomial question

What is the coefficient of in the expansion of ?

Hi69420 10 hours ago

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+131

Geometry

The sides of a triangle are $2,$ $2,$ and $\sqrt{6} - \sqrt{3}.$ Enter the angles of the triangle in degrees, separated by commas.

Stanry May 4, 2024, 12:19 AM

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Geometry

In the diagram below, we have $AB = 24$ and $\angle ADB =90^\circ$. If $\sin A = \frac13$ and $\sin C = \frac12$, then what is $BC$?
read more ..

Stanry May 4, 2024, 12:08 AM

May 3, 2024

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+5

On a certain hot summer's day,

On a certain hot summer's day,
483483
people used the public swimming pool. The daily prices are
$ 1.50$1.50 read more ..

xixialvarez May 3, 2024, 11:17 PM

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Geometry

In triangle $ABC,$ $BC = 32,$ $\tan B = \frac{3}{5},$ and $\tan C = \frac{1}{4}.$ Find the area of the triangle.

Stanry May 3, 2024, 7:36:45 PM

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Geometry

In triangle $ABC,$ $AB = 3,$ $AC = 5,$ $BC = 7,$ and $D$ lies on $\overline{BC}$ such that $\overline{AD}$ bisects $\angle BAC.$ Find $\cos \angle BAD.$

Stanry May 3, 2024, 6:48:40 PM

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Algebra

What are the coordinates of the points where the graphs of f(x)=x^3 + x^2 - 3x + 5 and g(x) = x^3 + 2x^2 intersect?
Give your answer as a list of points separated by commas, with the points ordered such that their -coordinates read more ..

Stanry May 3, 2024, 4:48:26 PM

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Geometry

Let $a$ and $b$ be real numbers, where $a < b$, and let $A = (a,a^2)$ and $B = (b,b^2)$. The line $\overline{AB}$ (meaning the unique line that contains the point $A$ and the point $B$) has slope $2$. Find $a + b$.

Stanry May 3, 2024, 4:21:20 PM

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+131

Geometry

Find all points (x,y) that are 5 units away from the point (2,7) and that lie on the line x + y = 13.

Stanry May 3, 2024, 2:37:29 PM

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Algebra

Assume that f(3) = 4. Name a point that must be on the graph of y= (5 + f(2x/3))/11$.

Stanry May 3, 2024, 2:11:04 PM

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+49

Geometry

In triangle $PQR,$ $M$ is the midpoint of $\overline{QR}.$ Find $PM.$
PQ = 5, PR = 8, QR = 11

Rangcr897 May 3, 2024

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Geometry

In triangle $ABC$, points $D$ and $F$ are on $\overline{AB},$ and $E$ is on $\overline{AC}$ such that $\overline{DE}\parallel \overline{BC}$ and $\overline{EF}\parallel \overline{CD}$. If $CE =3$ and $DF = 3$, then what is $BD$?

Rangcr897 May 3, 2024

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Geometry

In quadrilateral $BCED$, sides $\overline{BD}$ and $\overline{CE}$ are extended past $B$ and $C$, respectively, to meet at point $A$. If $BD = 8$, $BC = 3$, $CE = 1$, $AC = 19$ and $AB = 13$, then what is $DE$?

Rangcr897 May 3, 2024

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+49

Geometry

In square ABCD, P is on BC such that BP = 4 and PC = 1, and Q is on line CD such that DQ = 2 and QC = 3. Find sin angle PAQ.

Rangcr897 May 3, 2024

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+49

Geometry

In triangle PQR, M is the midpoint of PQ. Let X be the point on QR such that PX bisects angle QPR, and let the perpendicular bisector of PQ intersect AX at Y. If PQ = 36, PR = 22, QR = 26, and MY = 8, then find the area of triangle PQR

Rangcr897 May 3, 2024

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Geometry

In triangle $ABC,$ $AC = BC$ and $\angle ACB = 90^\circ.$ Points $P$ and $Q$ are on $\overline{AB}$ such that $P$ is between $A$ and $Q$ and $\angle QCP = 45^\circ.$ If cos ACP = 2/3, then find cos BCQ.

Rangcr897 May 3, 2024

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Geometry

The interior angles of a polygon form an arithmetic sequence. The difference between the largest angle and smallest angle is $56^\circ$. If the polygon has $3$ sides, then find the smallest angle, in degrees.

Rangcr897 May 3, 2024

May 2, 2024

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+49

Geometry

Let $IJKLMN$ be a hexagon with side lengths $IJ = LM = 3,$ $JK = MN = 3,$ and $KL = NI = 3$. Also, all the interior angles of the hexagon are equal. Find the area of hexagon $IJKLMN$.

Rangcr897 May 2, 2024

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