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All Questions
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230469 Questions
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54
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polygons
Let B, A, and D be three consecutive vertices of a regular -gon. A regular heptagon is constructed on line AB with a vertex C next to A. Find angle BCD in degrees.
Guest
May 28, 2023
May 27, 2023
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54
0
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
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Guest
May 27, 2023
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37
1
+274
Help pls
Two numbers between 0 and 1 on a number line are to be chosen at random. What is the probability that the second number chosen will exceed the first number chosen by a distance greater than 1/4 unit on the number line? Express your answer as a common fraction.
The
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supremecheetah
May 27, 2023
0
53
1
help 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 27, 2023
0
47
1
+8
HELP PLEASE!!
Thea has a key on her calculator marked $\textcolor{blue}{\bf\circledast}$. If an integer is displayed, pressing the $\textcolor{blue}{\bf\circledast}$ key chops off the first digit and moves it to the end. For example, if $6138$ is on the screen, then
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LemonCake
May 27, 2023
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59
4
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 27, 2023
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62
1
help me
The sum $1^2 + 2^2 + 3^2 + 4^2 + \cdots + n^2 = n(n+1)(2n+1) \div 6$. What is the value of $21^2 + 22^2 + \cdots + 40^2$?
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Guest
May 27, 2023
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55
1
triangle
In triangle $ABC,$ $\angle A = p + 2q$ degrees, $\angle B = 6p - 8q$ degrees, and $\angle C = 17p + 2q$ degrees. Find $p$ (in degrees).
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Guest
May 27, 2023
0
56
3
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?
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Guest
May 27, 2023
-1
62
1
+614
please help with next step
a 9-gram sample of a mixture A contains 5 grams of Pepper, 2 grams of Ginger and 2 grams of Turmeric. Another mixture B has 40% ginger, 40% turmeric and 20% pepper. If the two mixtures are mixed, and the final mixture has an equal amount of each of
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xxJenny1213xx
May 27, 2023
0
56
2
HELP IMMEDIATELY
Find an equation of the line that passes through the points (-2,1) and ()3,3. Write your equation in either point-slope form, standard form, or slope-intercept form.
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Guest
May 27, 2023
+1
61
1
+274
Somone (melody or asinus) pls help
P.S. Im saying melody or asinus in the title because their the only moderators active. But anyone can help!
A point in space (x, y, z) is randomely selected so that -1 ≤ x ≤ 1, -1 ≤ y ≤ 1, -1 ≤ z ≤ 1. What is the probability
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supremecheetah
May 27, 2023
0
49
0
polygons
Let B, A, and D be three consecutive vertices of a regular -gon. A regular heptagon is constructed on line AB with a vertex C next to A. Find angle BCD in degrees.
Guest
May 27, 2023
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