All Questions ⁺⁰237767 Questions

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124

1

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 18, 2023

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140

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 18, 2023

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135

2

help pls

Jeri finds a pile of money with at least . If she puts of the pile in her left pocket, gives away of the rest of the pile, and then puts the rest in her right pocket, she'll have more money than if she instead gave away of read more ..

Guest Jun 18, 2023

0

125

0

plz help

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

Guest Jun 18, 2023

+10

117

10

+215

Evaluate!!!

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xud33 Jun 18, 2023

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125

2

solve

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

Guest Jun 18, 2023

+8

108

4

+215

Algebra 2! Help Please.

Let .If ,then find the value of .

xud33 Jun 18, 2023

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151

1

hard geometry

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 read more ..

Guest Jun 18, 2023

0

138

1

20+69=?

Guest Jun 18, 2023

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155

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 18, 2023

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139

1

help please

Solve the inequality $2x - 5 \le -x +12$. Give your answer as an interval.

Guest Jun 18, 2023

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77

3

Math Question (Algebra)

If $x$, $y$, and $z$ are positive integers such that $6xyz+30xy+21xz+2yz+105x+10y+7z=812$, find $x+y+z$.
I tried and couldn't do it, can you help me?

Guest Jun 18, 2023

0

130

0

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 18, 2023

0

95

6

+197

I really need help with this problem....I have spent over 3 hours on this one...

In triangle , and Point is on side such that line segment bisects . If , then find the area of triangle .
I'm constantly getting, as my answer....which isn't read more ..

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icecreamlover Jun 18, 2023

Jun 17, 2023

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131

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 17, 2023

0

130

0

combinations

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.)

Guest Jun 17, 2023

0

145

1

plz help

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

Guest Jun 17, 2023

0

143

2

+13

I need help

I know there's a problem like this already posted, but the answer was wrong
Find the positive integer n such that the expansion of contains a term of the form (the x in this is actually to the power of 10 as in x^10, but the LaTeX didn't read more ..

hg378 Jun 17, 2023

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126

0

i 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 17, 2023

0

131

0

χ² = [(630 - 278)² / 278] + [(202 - 278)² / 278] + [(216 - 278)² / 278] + [(64 - 278)² / 278]

χ² = [(630 - 278)² / 278] + [(202 - 278)² / 278] + [(216 - 278)² / 278] + [(64 - 278)² / 278]

Guest Jun 17, 2023

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128

0

help me please

In triangle $PQR,$ let $X$ be the intersection of the angle bisector of $\angle P$ with side $\overline{QR}$, and let $Y$ be the foot of the perpendicular from $X$ to side $\overline{PR}$. If $PQ = 9,$ $QR = 12,$ and $PR = 17,$ then compute the length of read more ..

Guest Jun 17, 2023

0

122

2

please help

Our Underwater Basket-Weaving club has 12 members. In how many ways can the club members split up into four groups of 3 for a friendly speed basket-weaving competition, if Adi and Noor must be on different teams?

Guest Jun 17, 2023

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