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Post New Question
All Questions
+0
235747 Questions
0
8
1
+70
equilateral triangle
Triangle DEF is equilateral. Find AE
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faiafronk
Mar 24, 2024
0
30
1
+70
even more gemoetry
Find the area of triangle ABC, given that AH=11 and HD=5
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faiafronk
Mar 24, 2024
0
12
1
+70
more geometry!
In the diagram below, ABCD is a square. Find
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faiafronk
Mar 24, 2024
0
17
1
+70
geometry
In square ABCD, M is the midpoint of AB, and N is the midpoint of CD. If the side legnth of the square is 1, then find the area of the shaded region.
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faiafronk
Mar 24, 2024
0
22
1
+2669
need help with probability
Raina places the following balls into a bag. She then draws three balls out of the bag, one at a time, without replacement. What is the probability that the colors of the balls alternate?
There are 3 orange balls and 2 purple
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LiIIiam0216
Mar 24, 2024
0
19
0
+2669
help counting
I have $3$ different mathematics textbooks, $2$ different psychology textbooks, and $2$ different chemistry textbooks. In how many ways can I place the $7$ textbooks on a bookshelf, in a row?
LiIIiam0216
Mar 24, 2024
0
23
0
+1533
help geometry
In triangle $ABC$, $\angle ABC = 90^\circ$, and $D$ is on side $\overline{BC}$ such that $\overline{AD}$ bisects $\angle BAC$. If $AB = 4,$ $BC = 3$, and $AC = 5,$ then find the area of $\triangle ADC$. Round your answer to the nearest integer.</
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parmen
Mar 24, 2024
0
21
0
+1533
Bisector
In the diagram, $\overline{CX}$ bisects $\angle ACB$. Find the ratio of the area of triangle $BCX$ to the area of triangle $ACX$. Express your answer as a common fraction.
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parmen
Mar 24, 2024
0
24
0
+1533
Triangle
In triangle $ABC$, let the perpendicular bisector of $BC$ intersect $BC$ and $AC$ at $D$ and $E$, respectively. If $BC = 20$ and $\angle C = 15^\circ$, then find the length of $BE$.
parmen
Mar 24, 2024
0
23
4
+4
PLS HELP ASAP!!!
Can anybody pls solve this?
The graph of y=f(x) is shown in th red below. Find f(-2).
Can you guys pls solve
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jthoppae
Mar 24, 2024
Mar 23, 2024
0
25
1
+118
Absolute Value
What is the length of the segment of the number line whose endpoints satisfy ?
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SilviaJendeukie
Mar 23, 2024
0
20
0
+2669
counting question
Miyu is giving out $8$ identical chocolates to her $5$ friends, including Dhruv. All possible distributions are equally likely. What is the probability that Dhruv gets at least $6$ chocolates?
LiIIiam0216
Mar 23, 2024
0
26
1
+2669
help counting
In how many ways can you distribute $8$ indistinguishable balls among $5$ distinguishable boxes, if at least three of the boxes must be empty?
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LiIIiam0216
Mar 23, 2024
0
31
0
+2669
Counting
Find the number of solutions to
x_1 + x_2 + x_3 + x_4 + x_5 + x_6 + x_7 \le 10
in nonnegative integers, where x_2 is even and x_5 is odd.
LiIIiam0216
Mar 23, 2024
0
24
1
+479
help with algebra
Pearl writes down seven consecutive integers, and adds them up. The sum of the integers is equal to $\frac{28}{9}$ times the largest of the seven integers. What is the smallest integer that Pearl wrote down?
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ChiIIBill
Mar 23, 2024
0
12
2
+479
Algebra
Seven years ago, Grogg's dad was $9$ times as old as Grogg. Four years ago, Grogg's dad was $6$ times as old as Grogg. How old is Grogg's dad currently?
CPhill
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ChiIIBill
Mar 23, 2024
0
21
1
+1246
help with coordinates
A median of a triangle is a line segment joining a vertex of a triangle to the midpoint of the opposite side. Let's try this out with a particular triangle. Consider the triangle ABC with A=(0, 0) B=(1, 0) C=(0, 1).
(a) Let D, E, F be
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Akhain1
Mar 23, 2024
+1
23
2
+479
system question
One ordered pair $(a,b)$ satisfies the two equations $ab^4 = 48$ and $a^2 = 24$. What is the value of $b$ in this ordered pair?
CPhill
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ChiIIBill
Mar 23, 2024
0
15
1
+479
Algebra
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 $2$ times as much money as
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ChiIIBill
Mar 23, 2024
0
26
1
+479
ratios
In Linguistics $101,$ the ratio of the number of juniors to the number of seniors is $3:2$. When $6$ more juniors join the class, and $1$ senior drops the class, the ratio of the number of juniors to the number of seniors becomes $18:7$. How
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ChiIIBill
Mar 23, 2024
0
13
1
+850
Coordinates
A line passes through the points $A,$ $B,$ and $C.$ Find $y.$
A = (0,0), B = (3,4), C = (7,y)
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magenta
Mar 23, 2024
0
20
1
+2669
Probability
A box contains 24 tiles. Each tile has certain properties:
Each tile is made of wood or plastic.
Each tile is red, yellow, or blue.
Each tile is a triangle, square, pentagon, or circle.
There is exactly one tile
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LiIIiam0216
Mar 23, 2024
0
12
1
+2669
help counting
Three adults and three children are to be seated at a circular table. In how many different ways can they be seated if each child must be next to at least one adult? (Two seatings are considered the same if one can be rotated to form the
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LiIIiam0216
Mar 23, 2024
0
19
1
+355
Venn diagram
North High School has a math club and a science club. There are students in the math club and students who are members of both clubs. There are twice as many students in the science club as in the math club. Find an expression for the total number
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Lilliam0216
Mar 23, 2024
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