All Questions ⁺⁰237767 Questions

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116

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+95

Please Help ASAP

Let a and b and 2x2 - 8x + 7 = 0 be the roots of the quadratic. Compute a3 + b3

ZBRS7311 Jun 26, 2023

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125

1

percent

In a store window, there was a box of berries having a total weight of 200 kg. The berries were 99% water, by weight. After two days in the sun, the water content of the berries was only 90%, by weight. What was the total weight of read more ..

Guest Jun 26, 2023

Jun 25, 2023

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124

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 25, 2023

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136

1

proportion

I have to paint one side of a wall. The wall is 12 meters tall and 120 meters long. Each gallon of paint covers 150 square feet. If a foot is approximately 0.3048 meters, then what is the smallest whole number of gallons read more ..

Guest Jun 25, 2023

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121

1

help plz

At a cafeteria, Mary orders two pieces of toast and a bagel, which comes out to $3.15. Gary orders a bagel and a muffin, which comes out to $3.50. Larry orders a piece of toast, two bagels, and three muffins, which comes out to $8.15. How many cents does read more ..

Guest Jun 25, 2023

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121

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altitudes

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

Guest Jun 25, 2023

0

141

1

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 Jun 25, 2023

0

133

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 25, 2023

0

114

1

help plz

My square patio is tiled with square tiles, all the same size. All the tiles are gray, except the tiles along the two diagonals, which are all yellow. (The corners are yellow, the center is yellow, and all the tiles along the diagonal in between are read more ..

Guest Jun 25, 2023

0

137

2

solve

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

Guest Jun 25, 2023

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133

1

coefficient

Find the coefficient of y^4 in the expansion of (2y-5+3y^2)^6.

Guest Jun 25, 2023

0

125

0

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 25, 2023

-1

155

1

square

In the diagram below, P is a point inside square ABCD. Find x.

off-topic

Guest Jun 25, 2023

0

102

1

+194

I have a question...

This might seem off topic, but why don't I see CPhill posting answers anymore? His last post was in 2022, a year ago.

HumenBeing Jun 25, 2023

0

100

3

+194

help or I'm actually dead

Given that f(x)=(1/pi)^x, what is the range of f(x) on the interval [0,inf)?
Give your answer in interval notation.

HumenBeing Jun 25, 2023

0

137

1

system

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 25, 2023

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129

0

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 25, 2023

0

131

3

HELP PLEASE

Let XY be a tangent to a circle, and let XBA be a secant of the circle, as shown below. If AX = 15 and XY = 6, then what is AB?
https://artofproblemsolving.com/texer is the diagram.
PLEASE HELP read more ..

Guest Jun 25, 2023

0

138

2

solve

A candy bar and a piece of bubble gum together cost 1.50. The candy bar costs a dollar more than the bubble gum. How much does the piece of bubble gum cost, in cents?

Guest Jun 25, 2023

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128

0

help me

Let ABC be a right triangle, and let H be the point on side AB so that CH is perpendicular to AB. Prove that (x + h)^2*(y + h)^2 = (a + b)^4.

Guest Jun 25, 2023

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124

0

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
3a + 4b + 5c + 1d + 2e = 34 read more ..

Guest Jun 25, 2023

-1

139

1

plz help

Plz help guys
In the diagram below, SR = PQ = 20 and RT:TS = 2:3. Find UV.

Guest Jun 25, 2023

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136

0

Ice cream cone

a spherical scoop of ice cream is placed inside an ice cream cone. The volume of the scoop of ice cream is twice the volume of the cone. Show that the height is twice the volume of the cone.

Guest Jun 25, 2023

0

132

0

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 Jun 25, 2023

0

43

5

Help ASAP!!!

Catherine rolls a standard -sided die six times. If the product of her rolls is 2700 then how many different sequences of rolls could there have been? (The order of the rolls matters.)

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Guest Jun 25, 2023

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