All Questions

1056

+35

Trouble with them bisectors

In acute triangle , . Let be the circumcenter of triangle . Find , in degrees.

BTW, circumcenter of a triangle is read more ..

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Toytrain Jul 4, 2018

651

simplifying this operation w/ negative exponents?

so i know i can get rid of the negatives by:
then i got:
but the right answer is , what did i do wrong?

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Guest Jul 4, 2018

814

factoring this trinomial?

this is a perfect square, so i know:
just how would i factor this though? i'm completely lost :-(

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Guest Jul 4, 2018

1496

Find the equation of the line with slope = -6 and passing through (-4,-7). Write your equation in point-slope AND slope-intercept forms.

Find the equation of the line with slope = -6 and passing through (-4,-7). Write your equation in point-slope AND slope-intercept forms.

I believe the y=-6x-31 is the slope intercept.. but I am not sure of the point slope.. read more ..

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ihatemathalot Jul 4, 2018

1541

Math Question

Trapezoid ABCD has vertices A(-1,0), B(0,4), C(m,4) and D(k,0), with m>0 and k>0. The line y = -x + 4 is perpendicular to the line containing side CD, and the area of trapezoid ABCD is 34 square units. What is the value of k?

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Guest Jul 4, 2018

604

+278

Please help ASAP! Given equilateral triangle ABC, P is a dynamic point

Given equilateral triangle ABC, P is a dynamic point inside ᇫABC. PE⟂AC. PO⟂BC, PF⟂AB. If PD:PE:PF=1:2:3. Given side AB=12, please determine The area of quadrilateral BDPF.

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yasbib555 Jul 4, 2018

1329

Geometry Question

Pentagon ABCDE has a vertical line of symmetry. What is the y-coordinate of vertex C so that the area of the pentagon is 40 square units?

read more ..

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Guest Jul 4, 2018

630

Geometry Question

Right triangle ABC has legs measuring 8 cm and 15 cm. The triangle is rotated about one of its legs. What is the number of cubic centimeters in the maximum possible volume of the resulting solid? Express your answer in terms of pi.

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Guest Jul 4, 2018

Jul 3, 2018

424

Simplifying this expression?

I got as an answer. am i correct?

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Guest Jul 3, 2018

530

+278

Please, please help, very appreciated

Given triangle ABC, if the area of ABC is 1 with a>=b>=c, please prove that b>=sqrt(2).

yasbib555 Jul 3, 2018

1611

+52

Please Help

Find $BC$ in the following triangle, to two decimal places.

read more ..

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thatguitarist Jul 3, 2018

927

+52

geometry

The vertices of a convex pentagon are $(-1, -1), (-3, 4), (1, 7), (6, 5)$ and $(3, -1)$. What is the area of the pentagon?

read more ..

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thatguitarist Jul 3, 2018

1268

+52

analytic geometry

Points $A, B, C$ and $D$ have these coordinates: $A(3,2)$, $B(3,-2)$, $C(-3,-2)$ and $D(-3,0)$. What is the area of quadrilateral $ABCD$?

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thatguitarist Jul 3, 2018

1515

Math Question

A sphere is inscribed inside a hemisphere of radius 2. What is the volume of this sphere?

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Guest Jul 3, 2018

849

Geometry

What is the number of square units in the area of trapezoid ABCD with vertices A(0,0), B(0,-2), C(4,0), and D(4,6)?

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Guest Jul 3, 2018

-2

1152

+71

arithmetic (show work)

1. Write a rule for the nth term of the arithmetic sequence with a1= -7 and the common difference of 5/2.

2. Find the sum of the first 10 terms of the arithmetic series. -5 + 0 + 5 + 10 +...
read more ..

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Mathrules Jul 3, 2018

-2

1091

+71

HLK is isosceles with base HK, IHL and JKL are right angles, IK=JH

HLK is isosceles with base HK, IHL and JKL are right angles, IK=JH
a.
HIL= KJL by HL
c. read more ..

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Mathrules Jul 3, 2018

-1

702

+71

line containing the points (Show Work)

Write an equation of the line containing the points (-6,19) and (-15,28).
a.
-x - y = -13
c. read more ..

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Mathrules Jul 3, 2018

-1

1335

+71

x pounds of force

When x pounds of force is applied to one end of a lever that is L feet long, the resulting force y on the other end is determined by the distance between the fulcrum (the lever's pivot) and the end of the lever on which the x pounds read more ..

Mathrules Jul 3, 2018

1371

+52

Trigonometry

In right triangle $ABC$ with $\angle A = 90^\circ$, we have $AB = 5$ and $BC = 8$. Find $\sin B$.

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thatguitarist Jul 3, 2018

1296

+52

Analytic Geometry Question

Parallelogram $ABCD$ has $A(0, 1)$, $B(2, 1)$ and $C(4, 0)$ as three of its vertices. What is the sum of the coordinates of point $D$?

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thatguitarist Jul 3, 2018

1497

+52

Geometry - Transformations

The triangle with vertices $A (6, 1)$, $B (4, 1)$ and $C (4, 4)$ is rotated 90 degrees counterclockwise about $B$. What are the coordinates of the image of $C$ (the point where $C$ is located after the rotation)? Express your answer as an ordered pair. read more ..

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thatguitarist Jul 3, 2018

1779

+52

Geometry Question

A circular sheet of paper with radius of $6$ cm is cut into three congruent sectors. What is the height of the cone in centimeters that can be created by rolling one of the sections until the edges meet? Express your answer in simplest radical form. read more ..

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thatguitarist Jul 3, 2018

-1

803

+145

Help.

The term in a certain geometric sequence is 16 and the term in the sequence is 24. What is the term?

I got the answer. It's 81.

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DanielCai Jul 3, 2018

2044

+1450

Let denote the circular region bounded by x^2 + y^2 = 36. The lines x = 4 and y = 3 partition into four regions . Let

Let denote the circular region bounded by x^2 + y^2 = 36. The lines x = 4 and y = 3 partition into four regions . Let denote the area of region . If , then compute .
read more ..

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AnonymousConfusedGuy Jul 3, 2018

All Questions ⁺⁰230471 Questions

Trouble with them bisectors

simplifying this operation w/ negative exponents?

factoring this trinomial?

Find the equation of the line with slope = -6 and passing through (-4,-7). Write your equation in point-slope AND slope-intercept forms.

Math Question

Please help ASAP! Given equilateral triangle ABC, P is a dynamic point

Geometry Question

Geometry Question

Simplifying this expression?

Please, please help, very appreciated

Please Help

geometry

analytic geometry

Math Question

Geometry

arithmetic (show work)

HLK is isosceles with base HK, IHL and JKL are right angles, IK=JH

line containing the points (Show Work)

x pounds of force

Trigonometry

Analytic Geometry Question

Geometry - Transformations

Geometry Question

Help.

Let denote the circular region bounded by x^2 + y^2 = 36. The lines x = 4 and y = 3 partition into four regions . Let

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