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Post New Question
All Questions
+0
234657 Questions
+1
34
1
+1756
Domain and Range
I need help with domain and range
DS2011
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bader
Jan 13, 2024
+1
33
1
+1756
Functions
Which is the graph of a function
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bader
Jan 13, 2024
+1
14
1
+1756
Graphing question
I need help with graphs
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bader
Jan 13, 2024
+1
38
2
+290
Problem
Square ABCD has side length 1 unit. Points E and F are on sides AB and CB, respectively, with AE = CF. When the square is folded along the lines DE and DF, sides AD and CD coincide and lie on diagonal BD. The length of segment AE can be expressed in the
read more ..
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DS2011
Jan 13, 2024
+1
14
2
+467
Semicircle
A semicircle is inscribed in triangle $XYZ$ so that its diameter lies on $\overline{YZ}$, and is tangent to the other two sides. If $XY = 10,$ $XZ = 10,$ and $YZ = 10 \sqrt{2},$ then find the area of the semicircle.
read more ..
DS2011
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ChiIIBill
Jan 13, 2024
+1
39
1
+467
Tangent circles
Help this is hard!
Two circles are externally tangent at $T.$ The line $AB$ is a common external tangent to the two circles, and $P$ is the foot of the altitude from $T$ to line $AB.$ If $AT = 4$ and $BT = 8$, then find
read more ..
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ChiIIBill
Jan 13, 2024
+1
36
1
+467
need help
Find the length BC, to two decimal places.
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ChiIIBill
Jan 13, 2024
+1
29
1
+467
help geometry
Find the length AC, rounded to two decimal places.
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ChiIIBill
Jan 13, 2024
+1
18
1
+1475
Trapezoid
In trapezoid $ABCD,$ $\overline{AB} \parallel \overline{CD}$. Find the area of the trapezoid.
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parmen
Jan 13, 2024
+1
17
0
+1475
Parallelogram
Quadrilateral $ABCD$ is a parallelogram. Let $E$ be a point on $\overline{AB},$ and let $F$ be the intersection of lines $DE$ and $BC.$ The area of triangle $EAD$ is $9.$ If $AE:EB = 3:4$ and the height of parallelogram $ABCD$ is $10$,
read more ..
parmen
Jan 13, 2024
+1
33
1
+70
help
In trapezoid ABCD segments AB and CD are parallel. Point P is the intersection of diagonals AC and BD. The area of ▲PAB is 16 square units, and the area of ▲PCD is 25 square units. What is the area of trapezoid ABCD?
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Hamburger
Jan 13, 2024
0
11
1
+200
Venn Diagram
I need a Venn Diagram for this
Dogs in the GoodDog Obedience School win a blue ribbon for learning how to sit, a green ribbon for learning how to roll over, and a white ribbon for learning how to stay. There are $100$ dogs in the school.
$45$
read more ..
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nathanl6656
Jan 13, 2024
+1
22
1
+1756
Circles
Help with circles plz! Find BC.
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bader
Jan 13, 2024
0
39
1
+1756
Angles
Help with angles plz! What is angle B?
DS2011
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bader
Jan 13, 2024
+1
15
1
+1756
Triangles
Need help with triangle. What is the value of x?
DS2011
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bader
Jan 13, 2024
+1
36
1
+467
Coordinates
Find the coordinates of the center of the circle.
ElectricPavlov
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ChiIIBill
Jan 13, 2024
+1
41
1
+1887
Functions
Let $f(x)$ and $g(x)$ be functions. Find $c$ if
(f \circ g)(x) = (g \circ f)(x)
for all $x$, where $f(x) = 2x + 1$ and $g(x) = -3x + c$.
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tomtom
Jan 13, 2024
+1
14
1
+1678
Proportion
All members of our painting team paint at the same rate. If $50$ members can paint a $3600$ square foot wall in $20$ minutes, then how long would it take for $25$ members to paint a $4000$ square foot wall, in minutes?
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wiseowl
Jan 13, 2024
+1
18
1
+1678
Proportion
All members of our painting team paint at the same rate. If $40$ members can paint a $100$ square foot wall in $50$ minutes, then how long would it take the $40$ members to paint a $480$ square foot wall, in minutes?
DS2011
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wiseowl
Jan 13, 2024
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