All Questions ⁺⁰237681 Questions

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123

1

fractions

An aquarium tank is 1/6 full of water. When 2 gallons of water are added, the tank becomes 1/2 full. What is the total capacity of the aquarium tank, in gallons?

Guest Jun 15, 2023

0

146

3

help me

"In base , there are exactly one hundred three-digit numbers whose digits are all distinct. (That's "one hundred" in the ordinary sense, .)
What is ?"
I'm not sure how to solve this. Thanks!

Guest Jun 15, 2023

0

103

1

help me

Find the number of ways of arranging the numbers 1,2 ,3, 4, 5, 6, 7, 8, 9 in a row so that the product of any two adjacent numbers is even.

Guest Jun 15, 2023

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119

1

proportion

All members of our painting team paint at the same rate. If 20 members can paint a 2000 square foot wall in 40 minutes, then how long would it take the 20 members to paint a 6000 square foot wall, in minutes?

Guest Jun 15, 2023

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132

1

proportion

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 to the length of the wire. We read more ..

Guest Jun 15, 2023

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144

1

any help will be greatly appreciated :)))

Let be a real number, and consider the system of quadratic equations
For which values of does this system have:
y=6x^2-9x+c
y=5x^2-3x

(a) Exactly one real solution
(b) More read more ..

Guest Jun 15, 2023

Jun 14, 2023

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143

1

help with proof

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 14, 2023

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142

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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 Jun 14, 2023

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70

5

+194

PLS HELP ME GUYS

A square is drawn such that one of its sides coincides with the line y = 7, and so that the endpoints of this side lie on the parabola y = 2x^2 + 8x + 4. What is the area of the square? Please help, I'm terrible at quadratics!

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HumenBeing Jun 14, 2023

-1

75

4

+22

Pen

There are 8 pens along a wall in the pound. The pound has to allocate 4 pens to dogs, 3 to cats, and one to roosters. In how many ways can the pound make the allocation?

LandofLe Jun 14, 2023

-1

122

1

+22

Help on Flatville

Bicycle license plates in Flatville each contain three letters. The first is chosen from the set $\{C,H,L,P,R\},$ the second from $\{A,I,O\},$ and the third from $\{D,M,N,T\}.$
When Flatville needed more license plates, they read more ..

LandofLe Jun 14, 2023

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146

1

bisectors

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 Jun 14, 2023

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