All Questions ⁺⁰237779 Questions

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Riddle 5

Find the four digit number in which the first digit is one fourth of the last digit, the second digit is 6 times the first digit, and the third digit is the second digit plus 3. What is it?

history Jul 25, 2023

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116

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triangles

1. Find the area of triangle ABC if AB = 6, BC = 8, and angle ABC = 90 degrees.
2. If angle ABC = 135 degrees, and angle ACB = 30 degrees, what is angle BAC?

Guest Jul 25, 2023

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128

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geometry

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 Jul 25, 2023

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128

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+762

Forgot

I forgot what f^-1(x) means. I know it is called an inverse function. I forgot what it does though.

history Jul 25, 2023

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125

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algebra

Pearl writes down seven consecutive integers, and adds them up. The sum of the integers is equal to 21 times the largest of the seven integers. What is the smallest integer that Pearl wrote down?

Guest Jul 25, 2023

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80

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+762

Riddle 4

I'm tall when I'm young and I'm short when I'm old. What am I? (There are two answers.)

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history Jul 25, 2023

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123

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Intermediate Algebra Help

Guest Jul 25, 2023

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104

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+762

Riddle 3

A mad scientist kidnapped you and led you into a big tower. Inside the tower were two pools of water. The first one was filled with salt-water to the brim, and in it were 50 piranhas. In the second pool, there was a lot more room but 2 hungry sharks. The read more ..

history Jul 25, 2023

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119

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Riddle 2

Imagine that you are in a diamond house. The house has two floors. There are no windows or doors in the house. It is more like a diamond cube that houses you inside. The diamond walls are 5 feet thick. How do you escape?

history Jul 25, 2023

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127

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Limit

Compute
\[\lim_{x \to 1} \frac{\int_x^x e^{-t^2} \: dt}{x - 1}.\]

Guest Jul 25, 2023

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108

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+17

Help!

Hi I'm new to this website, and i can't seem to post on other posts. Can anyone possibly help me?

VanillaNavel Jul 25, 2023

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119

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+42

GA has been revealed

For those wondering what GA stands for on this site, it stands for ginger ale (member who was on this site)

off-topic

IhaveHairystuff Jul 25, 2023

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124

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+762

Riddle

Lucie has a friend named Brandon. Each of Lucie's steps are two times smaller then Brandon's steps. Brandon's father is a pirate, and he hides his treasure in a treasure chest. One day, Lucie finds the map, and follows the order. It said, "From the start read more ..

history Jul 25, 2023

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120

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system

Find the ordered triple (p,q,r) that satisfies the following system:
p - 2q = 3
q - 2r = -2 + q
p + r = 9 + p read more ..

Guest Jul 25, 2023

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130

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system

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

Guest Jul 25, 2023

Jul 24, 2023

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109

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help with triangle

In triangle PQR, M is the midpoint of PQ. Let X be the point on QR such that PX bisects angle QPR, and let the perpendicular bisector of PQ intersect AX at Y. If PQ = 36, PR = 36, QR = 16, and MY = 50, then find the area of triangle PQR

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Guest Jul 24, 2023

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109

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+16

Roger

Roger had some faily lights. He used 1/3 of the fairy lights to decorate15 small Christmas trees and 2/5 of the fairy lights to decorate 6 big Christmas trees. He kept the rest. Each big Christmas tree had 14 more fairy lights than each small Christmas read more ..

whitewater7171 Jul 24, 2023

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141

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Help with TriG Functions

Consider the following points on the graphs of and , with the added vertical dashed lines:

Then what are and in that order?
(Please read more ..

Guest Jul 24, 2023

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