All Questions ⁺⁰237736 Questions

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136

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 Jun 22, 2023

Jun 21, 2023

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154

1

system

Need help with system
Find the ordered quintuplet (a,b,c,d,e) that satisfies the system of equations
a + 2b + 3c + 4d + 5e = 41
2a + 3b + 4c + 5d + e = 15 read more ..

Guest Jun 21, 2023

0

139

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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 Jun 21, 2023

+1

130

2

solve

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 as Bob. If neither read more ..

Guest Jun 21, 2023

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140

1

system question

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 Jun 21, 2023

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159

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proportion

Each gallon of paint covers 200 square feet. I have to paint one side of a wall that is 15 meters tall and meters long. If a foot is approximately 0.3048 meters, then what is the smallest whole number of gallons I can buy read more ..

Guest Jun 21, 2023

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157

2

Help Please.

Let be a positive integer.
(a) There are ordered pairs of positive integers, where Using a counting argument, show that this number is also equal to
(b) There are ordered read more ..

Guest Jun 21, 2023

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144

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rate question

A plane flies from Penthaven to Jackson and then back to Penthaven. When there is no wind, the round trip takes 3 hours and 36 minutes, but when there is a wind blowing from Penthaven to Jackson at 20 miles per hour, the trip takes read more ..

Guest Jun 21, 2023

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122

7

help plz

Catherine rolls a standard 6-sided die six times. If the product of her rolls is then how many different sequences of rolls could there have been? (The order of the rolls matters.)

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Guest Jun 21, 2023

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147

0

Angle bisectors

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 Jun 21, 2023

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148

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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 Jun 21, 2023

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141

3

solve

Find all values of x such that \sqrt{4x^2} + \sqrt{x^2} = 6 + 3x.

Guest Jun 21, 2023

0

108

8

+17

Help Fast Please

An 8x8 square is allowed to slide around in a 10 x 18 rectangle, as shown below. The top vertex of the square always stays on the top edge of the rectangle, and the bottom vertex of the square always stays on the bottom edge of the rectangle. read more ..

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ThamHamkid Jun 21, 2023

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144

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trapezoid

Can anyone help with this?
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, read more ..

Guest Jun 21, 2023

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148

1

help help

Real numbers a and b satisfy
a + ab = 250
a - ab = -240
Enter all possible values of a, separated by commas. read more ..

Guest Jun 21, 2023

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102

1

Help

A lattice point is a point in the plane with integer coordinates. How many lattice points are inside the region bounded by the graphs of $y = x^2$ and $y = 7$?

Guest Jun 21, 2023

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153

1

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 Jun 21, 2023

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135

1

rate question

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 Jun 21, 2023

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122

1

ratios

In Linguistics 101, the ratio of the number of juniors to the number of seniors is 3:2. When six more juniors join the class, and one senior drops the class, the ratio of the number of juniors to the number of seniors becomes 2:3. How many read more ..

Guest Jun 21, 2023

0

148

1

Solve for X

111x = 7 in computer science maths

Guest Jun 21, 2023

0

149

3

+194

help with this question from one of my previous tests

What is the distance between the center of the circle with equation x^2+y^2=-4x+6y-12 and the point (1,7)? I was pretty sure 10 is correct, but apparently, it is wrong. BTW I already finished the test, so it's not cheating.
EDIT: read more ..

HumenBeing Jun 21, 2023

0

114

5

+194

Someone help me please!

For what real values of x is $-4 <21$ satisfied? Express your answer in interval notation.
ALSO!!!! DON'T YOU DARE CALL ME A HOMEWORK CHEATER. SOMEONE HAS BEEN GOING AROUND CALLING EVERYONE WHO POSTS A QUESTION A HOMEWORK read more ..

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HumenBeing Jun 21, 2023

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