All Questions ⁺⁰238227 Questions

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176

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Help with area

Find the area of triangle ABC if AB = 6, BC = 8, and angle ABC = 90 degrees.

Guest Apr 17, 2023

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204

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centroids

I need help with this problem:
Let G be the centroid of triangle ABC. If triangle ABG is an equilateral triangle with a side length of 2, then find the area of triangle ABC.

Guest Apr 17, 2023

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176

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Angle bisector

Help with angle bisectors
In triangle ABC, the angle bisector of angle BAC meets AC at D. If angle BAC = 60, angle ABC = 60, and AD = 24, then find the area of triangle ABC.

Guest Apr 17, 2023

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188

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In triangle PQR, let X be the intersection of the angle bisector of angle P with side QR

In triangle PQR, let X be the intersection of the angle bisector of angle P with side QR, and let Y be the foot of the perpendicular from X to line PR. If PQ = 9, QR = 9, and PR = 9, then compute the length of XY.

Guest Apr 17, 2023

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171

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Does this calculator use implicit multiplication

Does this calculator use implicit multiplication

Guest Apr 17, 2023

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194

1

Plzz help

In triangle PQR, let X be the intersection of the angle bisector of angle P with side QR, and let Y be the foot of the perpendicular from X to line PR. If PQ = 9, QR = 9, and PR = 9, then compute the length of XY. read more ..

Guest Apr 17, 2023

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146

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+4

math help

what is 1/4 to the power of 4 using exponents?
Question
Write −(1/4⋅1/4⋅1/4⋅1/4) using exponents.

huskylover2223 Apr 17, 2023

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199

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help with polygons

Let B, A, and D be three consecutive vertices of a regular -gon. A regular heptagon is constructed on AB with a vertex C next to A Find angle BCD in degrees.

Guest Apr 17, 2023

Apr 16, 2023

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185

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HELP ASAP

How many -letter "words" can be formed from the standard -letter alphabet, if the first letter must be a vowel (A, E, I, O, or U)? (We aren't necessarily talking about English words; something like EQX is perfectly valid here.)

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Guest Apr 16, 2023

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180

2

I need help

Help how to do this
Cai writes down the list of positive integers, excluding squares and cubes and all perfect powers. His sequence starts
2, 3, 5, 6, 7, 10, 11, ...
What is the 100th term in Cai's list?

Guest Apr 16, 2023

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181

0

Help plz

I don't get probability
My sock drawer contains two red socks, two white socks, and two blue socks. For three days in a row, I pull out two socks out of my sock drawer at random. What is the probability that I get matching read more ..

Guest Apr 16, 2023

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197

1

need help

Find a polynomial of degree 5 such that both of these properties hold:
f(x) is divisible by x^3
f(x) + 1 is divisible by (x+1)(x+2)(x+3).
Write your answer in expanded form (that is, do not factor f(x)). read more ..

Guest Apr 16, 2023

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109

2

counting question

How many solutions are there to the equation

where and are nonnegative integers, and is at most 2?

Guest Apr 16, 2023

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201

1

Plz help

Six children are each offered a single scoop of any of 3 flavors of ice cream from the Combinations Creamery. How many ways can each child choose a flavor for their scoop of ice cream so that some flavor of ice cream is selected by exactly two chi read more ..

Guest Apr 16, 2023

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205

1

help me!

Sam wants to color the three sides of an equilateral triangle. He has two different colors to choose from. In how many different ways can Sam color the sides of the triangle? (Two colorings are considered the same if one coloring can be read more ..

Guest Apr 16, 2023

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194

1

help!!!!

Garrett sells pumpkins for $1.12 per pound. On Friday, he sold 3 pumpkins that weighed 3 pounds 7 ounces each, 2 pumpkins that weighed 9 pounds 4 ounces each, and a few pumpkins that weighed 6 pounds 3 ounces each. On Saturday, he made 1 1/2 times as much read more ..

Guest Apr 16, 2023

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207

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help me

In how many ways can three pairs of siblings from different families be seated in two rows of three chairs, if siblings may sit next to each other in the same row, but no child may sit directly in front of their sibling?

Guest Apr 16, 2023

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186

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Guest Apr 16, 2023

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205

1

I need help badly!

For some real number a and some positive integer n, the first few terms in the expansion of (1 + ax)^n are 1 - 20x + 280x^2 + cx^3+...
Find c.

Guest Apr 16, 2023

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174

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Right triangles

Help plz with geometry
Let ABC be a right triangle, and let H be the point on side AB so that CH is perpendicular to AB. Prove that (x + h)^2*(y + h)^2 = (a + b)^4.

Guest Apr 16, 2023

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169

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helppp

Let $P$ be a regular nonagon with side length $2,$ and let $S$ be the set of points that are within a distance of $1$ from $P.$ (That is, a point $X$ is in $S$ if there exists a point $Y$ in $P$ such that $XY \le 1.$) What is the perimeter of $S?$
<read more ..

Guest Apr 16, 2023

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