All Questions ⁺⁰237993 Questions

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157

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trapezoid

Help Im really stuck
Let ABCD be a trapezoid with bases AB and CD. Let P be a point on side CD, and let X, Y be the feet of the altitudes from P to AD, BC respectively. Prove that if AD = 5, BC = 7, AB = 6, CD = 12, and read more ..

Guest May 26, 2023

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156

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hard geometry

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 26, 2023

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170

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A GPS transmitter is 19 800 km above the surface of the Earth and is transmitting at a power of 45 W. Calculate the received power (in Watts

A GPS transmitter is 19 800 km above the surface of the Earth and is transmitting at a power of 45 W. Calculate the received power (in Watts per square metre) of a GPS receiver on the surface of the Earth.
Give your answer to 3 significant read more ..

Guest May 26, 2023

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107

4

+274

Resposting this–

Pls dont get this wrong, if you do sad... The energy stored by any pair of positive charges is inversely proportional to the distance between them, and directly proportional to their charges. Three identical point charges start at the vertices of an read more ..

supremecheetah May 26, 2023

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161

1

plz help solve

1. Find all real numbers a that satisfy \frac{1}{64a^3 + 7} - 7 = 0.
2. Find all values of a that satsify the equation \frac{a}{3} + 1 = \frac{a + 3}{a} + 1.

Guest May 26, 2023

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170

2

help

Can anyone help find a convergence for

Guest May 26, 2023

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183

2

help

Every student in the school math club is either in 7th or 8th grade, and either has blue, green, or brown eyes. There are 46 students in the math club. Of these students, 9 students are 7th graders with blue eyes, students are read more ..

Guest May 26, 2023

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183

2

help me pls <3

Latisha purchased a pair of jeans for $35. She had a 10% off coupon. She had to pay 8% sales tax on the discounted price. How much was Latisha’s final price, including tax?

Guest May 26, 2023

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179

2

Help

There are 28 more green balls than yellow balls. After 1/3 of the yellow balls and 3/7 of the green balls are removed, the number of yellow and green balls are the same. How many balls are there altogether at first?

Guest May 26, 2023

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153

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altitudes

I need help with altitudes
Triangle ABC has altitudes AD, BE, and CF. If AD = 12, BE = 18, and CF is a positive integer, then find the largest possible value of CF.

Guest May 26, 2023

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160

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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 May 26, 2023

May 25, 2023

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157

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need help

Help Im bad at geometry
In triangle AB, let the angle bisectors be BY and CZ. Given AB = 16, AY = 16, and CY = 16, find BC and BZ.

Guest May 25, 2023

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173

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8/9+3/6

Guest May 25, 2023

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158

0

plz help

Triangle XYZ is equilateral. Points Y and Z lie on a circle centered at O, such that X is the circumcenter of triangle OYZ, and X lies inside triangle OYZ. If the area of the circle is , then find the area of triangle read more ..

Guest May 25, 2023

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186

1

+7

Help Asap please!!!

Trapezoid ABCD has bases AB and CD. Compute x/y.

ImAMathKid May 25, 2023

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162

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polygons

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

Guest May 25, 2023

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160

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triangle

In triangle $ABC,$ $\angle A = p + 2q$ degrees, $\angle B = 6p - 8q$ degrees, and $\angle C = 17p + 2q$ degrees. Find $p$ (in degrees).

Guest May 25, 2023

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175

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solve

Solve for the variable x in terms of y and z, assuming y \neq \frac{1}{2}:
xy + x = \frac{3x + 2y + z + y + 2z}{3}

Guest May 25, 2023

+1

125

5

+274

Help and pls don’t guess, I’m noticing a lot of guests users guessing wrong answers

How many subsets of the set of divisors of 72 contain only composite numbers? For example, {8, 9} and {4, 8, 12} are two such sets. Include the empty set in your count.

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supremecheetah May 25, 2023

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196

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math

31 divided by 2

Guest May 25, 2023

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