All Questions ⁺⁰237738 Questions

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188

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math

Given ∆𝑄𝑅𝑆 ≅ ∆𝑇𝑈𝑉, 𝑄𝑆 = 4𝑣 + 1, 𝑇𝑈 = 2𝑣 − 8 and 𝑇𝑉 = 8𝑣 − 7.
Find the length of TU.

Guest Dec 20, 2022

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191

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help counting

How many solutions are there to the equation
u + v + w + x + y + z = 18
where u, v, w, x, y, and z are nonnegative integers, and x is at most 10?

Guest Dec 20, 2022

Dec 19, 2022

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211

1

help

find x if 8x=7x+10

Guest Dec 19, 2022

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256

2

Problem

evaluate the infinite geometric series,

7 to the power of 0 over 100 to the power of 1 + 7 to the power of 1 over 100 to the power of 2 + 7 to the power of 2 over 100 to the power of 3 + ...
read more ..

Guest Dec 19, 2022

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228

1

Answer true or false to each statement. Explain your answer.

Answer true or false to each statement. Explain your answer.
a) The sum of an integer and its opposite is always 0.

b) When you subtract two positive integers, their difference is always a positive integer. read more ..

Guest Dec 19, 2022

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221

1

help counting

(a) In how many ways can you distribute 4 distinguishable balls among 3 indistinguishable boxes?

(b) In how many ways can you distribute 4 indistinguishable balls among 5 distinguishable boxes?

Guest Dec 19, 2022

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177

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help math

Fill in the blanks to make the equation true. (Each blank should contain a 2-digit number)

18/18 + 19/18 + 20/18 + ... + 45/18
read more ..

Guest Dec 19, 2022

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172

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Distributions

Find the number of solutions to
x_1 + x_2 + x_3 + x_4 + x_5 + x_6 + x_7 + x_8 + x_9 + x_10 <= 2
in nonnegagive integers.

Guest Dec 19, 2022

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227

1

+17

Please Help Me!!!

the questions are here

https://web2.0calc.com/questions/geometry_30553

Chickenfingrrss Dec 19, 2022

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179

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Complex numbers

Describe all solutions to zw - 3w - 2iw + 4z = 7iw + 5w + 11iz - 13 + 15i
where z and w are complex numbers.

Guest Dec 19, 2022

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197

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grid

The grid below is made up of line segments, like the line segment in red.
There are a number of paths that go from A to B in the grid, where every step goes to the right or up. If we choose a line segment at random, then what is the expected number of read more ..

Guest Dec 19, 2022

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181

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counting

Compute
binom{5}{3} + binom{6}{3} + binom{7}{3}

Guest Dec 19, 2022

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181

0

help counting

There is a group of five children, where two of the children are twins. How many ways can I distribute 10 identical pieces of candy to the children, if the twins must get an equal amount of candy?

Guest Dec 19, 2022

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191

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You ask the production team to make some candles for the sale.

the question says:
You ask the production team to make some candles for the sale. The team is not sure how many they can produce in your short time frame, so they ask for an acceptable range for how many of each candle they should make.
Use read more ..

Guest Dec 19, 2022

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213

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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 = 22, QR = 26, and MY = 8, then find the area read more ..

Guest Dec 19, 2022

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