All Questions ⁺⁰237767 Questions

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128

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 27, 2023

0

141

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 27, 2023

0

134

3

ellipse question

Let C be a point that varies ont the ellipse
x^2/4 + y^2 = 1.
Let H be the orthocenter of triangle ABC, where A = (-4,0) and B = (4,0). Then H traces a closed cruve as C varies over the ellipse. Find the area inside read more ..

Guest Jun 27, 2023

0

145

0

+1348

math question

Zander, Ailey and Liz are partners in a babysitting business. Zander and Ailey, the elder two, charge $2 1/4$ times as much as Liz, the youngest. Each of the partners in the business puts $5\%$ of their earnings into the business for expenses. Last week, read more ..

sandwich Jun 27, 2023

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134

4

ratio problem

Alice and Bob each have a certain amount of money. If Alice receives n dollars from Bob, then she will have 7 times as much money as Bob. If, on the other hand, she gives n dollars to Bob, then she will have 3 times as much read more ..

Guest Jun 27, 2023

0

69

7

+1348

cylinders

Two right circular cylinders have equal volume. The first cylinder has a radius of $6$ inches and a height of $12$ inches. What is the number of inches in the height of the second cylinder if its radius is $18$ inches? Express your answer as a mixed nu read more ..

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sandwich Jun 27, 2023

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133

5

help me please

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 95% by weight. What was the total weight of the berries read more ..

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Guest Jun 27, 2023

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143

4

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 27, 2023

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129

2

help with 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 27, 2023

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103

3

help me please

A factory manufactures two types of gadgets, regular and premium. Each gadget requires the use of two operations, assembly and finishing, and there are at most 120 hours available for each operation. A regular gadget requires 1 hour of assembly and read more ..

Guest Jun 27, 2023

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123

1

solution

How many solutions are there to the equation
u + v + w + x + y + z = 10
where u, v, w, x, y, and z are nonnegative integers, and x is at most 2 or y is at least 3?

Guest Jun 27, 2023

0

109

1

need help

I am really stuck on this
In how many ways can three pairs of siblings from different families be seated in two rows of three chairs, if siblings may sit next to each other in the same row, but no child may sit directly in read more ..

Guest Jun 27, 2023

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130

1

help with rates

Will and Grace are canoeing on a lake. Will rows at 50 meters per minute and Grace rows at 20 meters per minute. Will starts rowing at 2 p.m. from the west end of the lake, and Grace starts rowing from the east end of the lake at 2 p.m. read more ..

Guest Jun 27, 2023

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128

3

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 27, 2023

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117

4

coefficient

Find the coefficient of $u^2 v^9$ in the expansion of $(2u - 3v^3 + v^2 - 5u^2 + 1)^5.$

Guest Jun 27, 2023

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123

4

solve

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

Guest Jun 27, 2023

+1

120

2

geometry

1. Find the area of triangle ABC if AB = 6, BC = 8, and angle ABC = 90 degrees.
2. If angle ABC = 135 degrees, and angle ACB = 30 degrees, what is angle BAC?

Guest Jun 27, 2023

+1

146

2

triangle

Help Im bad at geometry
In triangle ABC, let the angle bisectors be BY and CZ. Given AB = 16, AY = 16, and CY = 16, find BC and BZ.

Guest Jun 27, 2023

Jun 26, 2023

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150

5

roots

The polynomial p(x) = x^2+ax+b has distinct roots 2a and b. Find a+b.

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Guest Jun 26, 2023

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131

5

+70

If , then what is the value of ? please help idek how to start

If , then what is the value of ? please help idek how to start

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sheeshers Jun 26, 2023

0

129

1

help plz

Real numbers a and b satisfy
a + ab^2 = 250b
a - ab = 240
Enter all possible values of a separated by commas.

Guest Jun 26, 2023

0

145

1

triangle

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 26, 2023

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130

3

ratios

A bag contains yellow, green, blue, and white marbles. The ratio of yellow, green, blue, and white marbles is 1:2:3:4. If the bag contains 180 marbles, then how many blue marbles are there?

Guest Jun 26, 2023

0

147

2

ratios

At a math convention, a poll is taken about cable news. It turns out that 7 out of every 12 people are bored by cable news. If there are 280 people at the convention who are bored by cable news, then how many people at the convention read more ..

Guest Jun 26, 2023

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