All Questions ⁺⁰237779 Questions

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128

1

percent

Our badminton team has finished 75% of its season. So far, we have won 20% of the games we played. What percent of the remainder of our games must we win in order to finish the season with the same number of wins as losses? read more ..

Guest Jul 19, 2023

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118

1

proportion

All members of our painting team paint at the same rate. If 20 members can paint a 2000 square foot wall in 30 minutes, then how long would it take the members to paint a 2000 square foot wall, in minutes?

Guest Jul 19, 2023

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111

3

need help

Alice and Bob each have a certain amount of money. If Alice receives n dollars from Bob, then she will have 4 times as much money as Bob. If, on the other hand, she gives n dollars to Bob, then she will have 8 times as much money read more ..

Guest Jul 19, 2023

0

113

5

help plz

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 19, 2023

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106

11

+194

someone please help

The graph of the line y = 3x + a intersects the graph of the parabola y = in two points. If the distance between these points is 3√30, what is the value of a
? Express your answer as a common fraction.

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HumenBeing Jul 19, 2023

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138

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solve

Solve 3a + 4b = 5a - 6b + 24 - 3a for a in terms of b.

Guest Jul 19, 2023

0

112

2

rates

I drove to the beach at a rate of 40 miles per hour. If I had driven at a rate of 50 miles per hour instead, then I would have arrived 45 minutes later. How many miles did I drive?

Guest Jul 19, 2023

0

75

15

+194

I challenge someone to solve this (correctly)

A parabola with equation y = ax^2 + bx + c has a vertical line of symmetry at x = 2 and goes through the two points (1,1) and (4,-7). The quadratic ax^2 + bx + c has two real roots. The greater root is √n + 2. What is n?</ read more ..

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HumenBeing Jul 19, 2023

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138

1

help plz

For the triangle below, let x be the area of the circumcircle, and let y be the area of the incircle. Compute x-y read more ..

Guest Jul 19, 2023

0

75

29

+762

Challenge Problems

Here are a couple challenge problems that I think are fun to solve.
1. The percent return rate of a growth fund, income fund, and money market are 10%, 7%, and 5% respectively. Suppose you have 3200 to invest read more ..

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history Jul 19, 2023

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109

1

Challenge Problem

Here are a couple challenge problems that I think are fun to solve.
1. The percent return rate of a growth fund, income fund, and money market are 10%, 7%, and 5% respectively. Suppose you have 3200 to invest read more ..

Guest Jul 19, 2023

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125

4

I have a challenge for all of you!!!!

Hello!
I don't normally do this.
Here is the challenge.
There is a 5 * 5 grid below. THe grid is composed of X's and O's. The spots with O's cannot be passed over with a line. Use a line to link all of the read more ..

Guest Jul 19, 2023

0

129

4

Where did electricpavlov and cphill go

They just left without a trace

Guest Jul 19, 2023

0

125

2

proportion

I need help with this
In physics, Ohm's law says that current through a wire, I, is directly proportional to voltage, V, and inversely proportional to resistance, R:
I = V/R
It's also true that resistance is directly proportional read more ..

Guest Jul 19, 2023

Jul 18, 2023

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116

3

Series

Compute 1 + \frac{3}{5} + \frac{5}{5^2} + \frac{7}{5^3}.

Guest Jul 18, 2023

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62

11

+25

Could someone help me on this? I think this is Alegbra 2 level math.

Evaluate i+2i^2+3i^3+4i^4+...+64i^(64)

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Reallystupidguy Jul 18, 2023

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123

1

Dante is making a necklace with 18 rows of tiny beads in which the number of beads per row is given by the series 3 + 10 + 17 + 24 + ...

Dante is making a necklace with 18 rows of tiny beads in which the number of beads per row is given by the series 3 + 10 + 17 + 24 + ...
If you were to write this series in summation notation, give
the lower limit of the sum
the upper read more ..

Guest Jul 18, 2023

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