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All Questions
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237767 Questions
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152
1
need help
Catherine rolls a standard 6-sided die six times, and the product of her rolls is . How many different sequences of rolls could there have been? (The order of the rolls matters.)
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Guest
May 19, 2023
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159
2
+274
Help IMPORTANT
A right circular cone is sliced into four pieces by planes parallel to its base. All of these pieces have the same height. What is the ratio of the volume of the second-largest piece to the volume of the largest piece? Express your answer as a common f
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supremecheetah
May 19, 2023
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159
1
system
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
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Guest
May 19, 2023
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132
0
need help
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
May 19, 2023
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148
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?
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Guest
May 19, 2023
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145
1
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
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Guest
May 19, 2023
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149
1
+214
Graphing Quadratics
A parabola with equation has a vertical line of symmetry at and goes through the two points and The quadratic has two real roots. The greater root is . What is
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gb1falcon
May 19, 2023
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141
1
solve
Five times a number is divided by 7 more than the number. If the result is 0, then what was the original number?
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Guest
May 19, 2023
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153
1
equations
I need to solve this help
Seven years ago, Grogg's dad was 6 times as old as Grogg, and 4 years ago, his dad was 4 times as old as Grogg. How old is Grogg's dad currently?
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Guest
May 19, 2023
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150
1
Downloading web2.0calc
Is it possible to download web2.0calc to your computer?
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Guest
May 19, 2023
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127
0
geometry
help i need 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,
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Guest
May 19, 2023
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143
2
variables
Find the ordered triple (p,q,r) that satisfies the following system:
p - 2q = 3
q - 2r = -2 + q
p + r = 9 + p
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Guest
May 19, 2023
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151
0
help with geo
This is some very hard geometry
Triangle XYZ is equilateral. Points Y and Z lie on a circle centered at O, such that X is the circumcenter of triangle OYZ, and X lies inside triangle OYZ. If the
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Guest
May 19, 2023
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160
3
+12
Inscribed angles
Explain why
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awhoo
May 19, 2023
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129
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
May 19, 2023
May 18, 2023
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72
1
y−3=2(x+1)y, minus, 3, equals, 2, left parenthesis, x, plus, 1, right parenthesis
y−3=2(x+1)y, minus, 3, equals, 2, left parenthesis, x, plus, 1, right parenthesis
Complete the missing value in the solution to the equation. if x equals -1
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Guest
May 18, 2023
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148
1
Help plz im stuck
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.
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Guest
May 18, 2023
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151
1
stats question
Using the digits 1 through 9, how many four-digit numbers can be formed in which 3 appears at least once?
The answer to this question is 2465. I would like to know the work involved in achieving this answer though.
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Guest
May 18, 2023
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