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Post New Question
All Questions
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237784 Questions
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145
1
Help with area
Find the area of triangle ABC if AB = 6, BC = 8, and angle ABC = 90 degrees.
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Guest
Apr 17, 2023
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169
1
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.
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Guest
Apr 17, 2023
0
138
1
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.
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Guest
Apr 17, 2023
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151
1
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.
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Guest
Apr 17, 2023
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142
1
Does this calculator use implicit multiplication
Does this calculator use implicit multiplication
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Guest
Apr 17, 2023
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156
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.
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Guest
Apr 17, 2023
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129
1
+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.
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huskylover2223
Apr 17, 2023
0
170
1
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.
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Guest
Apr 17, 2023
Apr 16, 2023
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152
7
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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146
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?
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Guest
Apr 16, 2023
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139
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
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Guest
Apr 16, 2023
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156
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)).
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Guest
Apr 16, 2023
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96
2
counting question
How many solutions are there to the equation
where and are nonnegative integers, and is at most 2?
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Guest
Apr 16, 2023
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158
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
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Guest
Apr 16, 2023
0
161
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
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Guest
Apr 16, 2023
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158
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
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Guest
Apr 16, 2023
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165
1
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?
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Guest
Apr 16, 2023
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150
0
Guest
Apr 16, 2023
0
158
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.
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Guest
Apr 16, 2023
0
137
0
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
0
145
1
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 $S?$
<
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Guest
Apr 16, 2023
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