All Questions ⁺⁰236050 Questions

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49

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+1768

Domain and Range

I need help with domain and range

bader Jan 13, 2024

+1

46

1

+1768

Functions

Which is the graph of a function

bader Jan 13, 2024

+1

19

1

+1768

Graphing question

I need help with graphs

bader Jan 13, 2024

+1

52

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 ..

DS2011 Jan 13, 2024

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21

2

+478

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 ..

ChiIIBill Jan 13, 2024

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42

1

+478

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 ..

ChiIIBill Jan 13, 2024

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50

1

+478

need help

Find the length BC, to two decimal places.

ChiIIBill Jan 13, 2024

+1

33

1

+478

help geometry

Find the length AC, rounded to two decimal places.

ChiIIBill Jan 13, 2024

+1

24

1

+1557

Trapezoid

In trapezoid $ABCD,$ $\overline{AB} \parallel \overline{CD}$. Find the area of the trapezoid.

parmen Jan 13, 2024

+1

29

0

+1557

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

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46

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?

Hamburger Jan 13, 2024

0

21

1

+346

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 ..

nathanl6656 Jan 13, 2024

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28

1

+1768

Circles

Help with circles plz! Find BC.

bader Jan 13, 2024

0

53

1

+1768

Angles

Help with angles plz! What is angle B?

bader Jan 13, 2024

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24

1

+1768

Triangles

Need help with triangle. What is the value of x?

bader Jan 13, 2024

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46

1

+478

Coordinates

Find the coordinates of the center of the circle.

ElectricPavlov ●

ChiIIBill Jan 13, 2024

+1

53

1

+1911

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 $g(x) = -3x + c$.

tomtom Jan 13, 2024

+1

18

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?

wiseowl Jan 13, 2024

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22

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?

wiseowl Jan 13, 2024

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