All Questions

569

Two sides of an isosceles triangle are 10 inches and 20 inches.

Two sides of an isosceles triangle are 10 inches and 20 inches. What is the area of the triangle?

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Guest Nov 12, 2020

531

The figure drawn is not to scale. Which of the five segments shown is the longest?

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Guest Nov 12, 2020

496

Can somebody help me with this one

A cubic function y has real coefficients, and its zeros are -4, 3 and 0. If x=1, y=20 satisfies its equation, find the equation of the cubic function in standard form.

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Mikecool320 Nov 12, 2020

537

The edge length of a regular tetrahedron ABCD is 2

The edge length of a regular tetrahedron ABCD is 2. M and N are the midpoints of BC and AD, respectively. Find angle AMD.

read more ..

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Guest Nov 12, 2020

379

The sum of all edge lengths of a regular tetrahedron

The sum of all edge lengths of a regular tetrahedron is equal to that of a regular octahedron. The surface area of the tetrahedron is 1. What is the surface area of the octahedron?

Guest Nov 12, 2020

-4

539

+73

Given the histogram of customer satisfaction scores, which of the following has to be true?

Given the histogram of customer satisfaction scores, which of the following has to be true?
I. The median rating is at least 4 and less than 6. read more ..

GAMEMASTERX40 Nov 12, 2020

444

The center of a regular octahedron is 1 foot away from every vertex.

The center of a regular octahedron is 1 foot away from every vertex. What is the surface area of the octahedron in cubic feet?

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Guest Nov 12, 2020

1128

AMC 8 online 2020 solutions

Are ther going to be explanations to AMC 8 online 2020 solutions?

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Guest Nov 12, 2020

523

HELP!

Find the integer , such that

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Guest Nov 12, 2020

543

ellipse

An ellipse has its center at the origin, its foci on the y-axis, and its major axis is three times as long as its minor axis. Given that the ellipse passes through the point (4, 0), find its equation.

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Ichi01 Nov 12, 2020

618

A point with coordinates is randomly selected

A point with coordinates is randomly selected such that 0 <= x <= 10 and 0 <= y <= 10. What is the probability that the coordinates of the point will satisfy 3x + 5y >= 20? Express your answer as a common fraction.

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Guest Nov 12, 2020

407

Chris discovered that the centers of the faces of a regular icosahedron are also the vertices of another regular polyhedron

Chris discovered that the centers of the faces of a regular icosahedron are also the vertices of another regular polyhedron. How many faces does the other regular polyhedron have?

Guest Nov 12, 2020

567

help

Line 1l represents the graph of 3x+4y = -14. Line l2 passes through the point (-5, 7), and is perpendicular to line l1. If line l2 represents the graph of y=mx + b, then find m+b.

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Guest Nov 12, 2020

396

Help please!

what is the sum of all possible values of x+y+z if x,y and x are integers and xyz-9xy-4xz-5yz+36x+45y+20z-210=0

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Guest Nov 12, 2020

750

pls help

Put the following four numbers in order from least to greatest: $A.\ 4 \cdot \sqrt{5}\\ B.\ 6 \cdot \sqrt{2}\\ C.\ 5 \cdot \sqrt{3}\\ D.\ 9$

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sdfss Nov 12, 2020

400

The four vertices of a regular tetrahedron are snipped off

The four vertices of a regular tetrahedron are snipped off, leaving an equilateral triangular face in place of each corner and a regular hexagonal face in place of each original face of the tetrahedron. What is the read more ..

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Guest Nov 12, 2020

472

please halp. i am bamboozled. i will give respekt

When Colby rolls two fair standard dice, what is the probability that he rolls the same number on both dice or that the sum of the two numbers rolled is divisible by 3? Express your answer as a common fraction.

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Guest Nov 12, 2020

419

Idk the answer i really need it

How many songs would it take to reach 5 hours. i really need to know thanks.
Also i need to know if its a 2 min and 3 or 4min songs in that time frame to
But i couldn't find the anwser so i need som help im at 116 songs so how many read more ..

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Guest Nov 12, 2020

451

I am stuck on this question for a very long time. Can someone please help?

In , the circumcenter and orthocenter are collinear with vertex . Which of the following statements must be true?
(1) must be an isosceles triangle.
(2) must be an equilateral triangle.
(3) must read more ..

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Guest Nov 12, 2020

481

Altitudes AX and BY of acute triangle ABC intersect at H

Altitudes AX and BY of acute triangle ABC intersect at H. If angle BAC = 61 and angle ABC = 82, then what is angle CHX?

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Guest Nov 12, 2020

535

The graph of is shown below, with unit between grid lines.

The graph of y = f(x) is shown below, with 1 unit between grid lines. Assume f(x) is defined only on the domain shown. What is the sum of all integers c for which the equation f(x) = c has exactly 4 solutions?

read more ..

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Guest Nov 12, 2020

Nov 11, 2020

433

Helppppp

An ellipse has its center at the origin, its foci on the y-axis, and its major axis is three times as long as its minor axis. Given that the ellipse passes through the point (-4,0), find its equation. express your answer in the form (x-a)^2/r^2 + (y-b)^2/s^2 read more ..

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Guest Nov 11, 2020

642

+78

Permutation Problem #2

In how many ways can a family of six people be seated at a round table if the youngest kid must sit between the parents?

Thank youuu

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Frooglie Nov 11, 2020

572

+78

Permutation Problem #1

How many different ways can seven students be seated in a row of seven seats if there must be exactly two people between Alex and Betsy?

Thank you so much!

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Frooglie Nov 11, 2020

All Questions ⁺⁰237704 Questions

Two sides of an isosceles triangle are 10 inches and 20 inches.

The figure drawn is not to scale. Which of the five segments shown is the longest?

Can somebody help me with this one

The edge length of a regular tetrahedron ABCD is 2

The sum of all edge lengths of a regular tetrahedron

Given the histogram of customer satisfaction scores, which of the following has to be true?

The center of a regular octahedron is 1 foot away from every vertex.

AMC 8 online 2020 solutions

HELP!

ellipse

A point with coordinates is randomly selected

Chris discovered that the centers of the faces of a regular icosahedron are also the vertices of another regular polyhedron

help

Help please!

pls help

The four vertices of a regular tetrahedron are snipped off

please halp. i am bamboozled. i will give respekt

Idk the answer i really need it

I am stuck on this question for a very long time. Can someone please help?

Altitudes AX and BY of acute triangle ABC intersect at H

The graph of is shown below, with unit between grid lines.

Helppppp

Permutation Problem #2

Permutation Problem #1

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