All Questions ⁺⁰238444 Questions

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194

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help with geo

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 May 12, 2023

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199

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+1348

hi can anyone help

At a cafeteria, Mary orders two pieces of toast and a bagel, which comes out to $3.15. Gary orders a bagel and a muffin, which comes out to $3.50. Larry orders a piece of toast, two bagels, and three muffins, which comes out to $8.15. How many cents does read more ..

sandwich May 12, 2023

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186

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+1348

help plz

I'm a little stuck on this question:
Find the ordered triple (p,q,r) that satisfies the following system:
p - 2q = 0
q - 2r = 8 read more ..

sandwich May 12, 2023

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206

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system

Find the ordered quintuplet (a,b,c,d,e) that satisfies the system of equations
\begin{array}{rcrcrcrcrcr}
a & + & 2b & + & 3c & + & 4d & + & 5e & = & 41, \\
2a & + & 3b & + & 4c read more ..

Guest May 12, 2023

+1

205

2

+14

Im very confused

Find the coefficient of $y^4$ in the expansion of $(2y-5)^6$.

SUPERpig May 12, 2023

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154

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+12

need help

In the coordinate plane, a lattice point is a point with integer coordinates. Suppose n is a positive integer. How many lattice points (x,y) are there such that (x,y) lies in the region defined by the inequalities 0<=x<=n, 0<=y<=n, read more ..

Quakwise May 12, 2023

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202

2

+12

Urgent help please!

Cora has exactly four wooden toy blocks with digits on them. Two of the blocks have the digit 0, 1 of the blocks has the digit 1, and one of the blocks has the digit 2. How many distinct positive integers can she form using one or more of the blocks, read more ..

Quakwise May 12, 2023

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193

2

Unique Problem

An equilateral triangle is constructed on each side of a square with side length 2 as shown below. The four outer vertices are then joined to form a large square. Find the side length of the large square. read more ..

Guest May 12, 2023

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207

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Interesting maths problem

Let B, A, and D be three consecutive vertices of a regular 20-gon. A regular heptagon is constructed on line AB with a vertex C next to A. Find angle BCD in degrees.

Guest May 12, 2023

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191

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Plz help

In triangle ABC, point X is on side BC such that AX=13,BX=10,CX=10, and the circumcircles of triangles ABX and ACX have the same radius. Find the area of triangle ABC.

Guest May 12, 2023

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198

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quick geometry

I need to check this answer
In the diagram below, P is a point inside square ABCD. Find x.

Guest May 12, 2023

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187

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I need help

You are given the 4 x 4 grid below.
(a) Find the number of ways of placing 8 counters in the squares (at most one counter per square), so that each row contains exactly two counters.
(b) Find the number of ways read more ..

Guest May 12, 2023

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169

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Help plz

I need help with this
For certain values of k and m, the system
3a + 2b = 2
6a + 2b = k + 3a + mb read more ..

Guest May 12, 2023

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192

1

Adding and subtracting fractions and whole numbers

What is the difference of the whole number and the fraction below?
5
- 1/2

Guest May 12, 2023

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183

1

Fractions

An aquarium tank is 1/6 full of water. When 2 gallons of water are added, the tank becomes 1/2 full. What is the total capacity of the aquarium tank, in gallons?

Guest May 12, 2023

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173

1

Plz help

Im having trouble with this
One ordered pair (a,b) satisfies the two equations ab^4 = 48 and ab = 72. What is the value of b in this ordered pair? (Note: you may have to use the Tab key to get your cursor into the middle answer box read more ..

Guest May 12, 2023

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189

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Adding adn subtracting unlike fraction

Find the sum 1/8 + 1/3 enter your answer in simplest term

Guest May 12, 2023

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198

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help

72% AS a decimal

Guest May 12, 2023

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189

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what is 6% as a decimal

what is 6% as a decimal

Guest May 12, 2023

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109

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Probability

Right triangle XYZ has legs of length XY = 12 and YZ = 6. Point D is chosen at random within the triangle XYZ. What is the probability that the area of triangle XYD is at most 20?

Guest May 12, 2023

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213

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Help

Help I keep getting the wrong answer
Seven years ago, Grogg's dad was 6 times as old as Grogg, and 4 years ago, his dad was 4 times as old as Grogg. How old is Grogg's dad currently?

Guest May 12, 2023

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