All Questions ⁺⁰235549 Questions

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15

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+1431

Coordinates

Let $a$ and $b$ be real numbers, where $a < b$, and let $A = (a,a^2)$ and $B = (b,b^2)$. The line $\overline{AB}$ (meaning the unique line that contains the point $A$ and the point $B$) has slope $2$. Find $a + b$.

kittykat Apr 10, 2024

0

24

1

+1525

Geometry

In triangle ABC, angle A = p + 2q degrees, angle B = 6p - 5q degrees, and angle C = 14p + 8q degrees. Find p (in degrees) in terms of q.

parmen Apr 10, 2024

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15

0

+1525

Area

A rectangle contains a strip of width $1,$ as shown below. Find the area of the strip.

parmen Apr 10, 2024

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23

0

+1525

Triangle

Point $D$ is the midpoint of median $\overline{AM}$ of triangle $ABC$. Point $E$ is the midpoint of $\overline{AB}$, and point $T$ is the intersection of $\overline{BD}$ and $\overline{ME}$. Find the area of triangle $BET$ if $AB = 20$, $AC = 20$, and BC read more ..

parmen Apr 10, 2024

0

16

0

+1911

Help geometry

In triangle PQR, M is the midpoint of \overline{QR}. Find PM.

tomtom Apr 10, 2024

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26

0

+1911

Need help

In the diagram below, SR = PQ = 20 and RT:TS = 2:5. Find UV.

tomtom Apr 10, 2024

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31

0

+1911

Help trapezoid

Trapezoid $ABCD$ is inscribed in the semicircle with diameter $\overline{AB}$, as shown below. Find the radius of the semicircle. Find the area of ABCD.
PQDC is a square. read more ..

tomtom Apr 10, 2024

0

27

0

+1911

Help plz

Points $L$ and $M$ lie on a circle $\omega_1$ centered at $O$. The circle $\omega_2$ passing through points $O,$ $L,$ and $M$ is drawn. If the measure of arc $LM$ in circle $\omega_1$ is $90^\circ,$ and the radius of $\omega_1$ is 1, then find read more ..

tomtom Apr 10, 2024

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26

0

+1234

Geometry

Trapezoid $HGFE$ is inscribed in a circle, with $\overline{EF} \parallel \overline{GH}$. If arc $GH$ is $66$ degrees, arc $EH$ is $x^2 + 8x$ degrees, and arc $FG$ is $25 + 16x$ degrees, where $x > 0,$ find arc $EPF$, in degrees.

Akhain1 Apr 10, 2024

0

20

0

+1234

Geometry

The diagram below consists of a small square, four equilateral triangles, and a large square. Find the area of the large square.

Akhain1 Apr 10, 2024

0

24

0

+1234

Geometry

A sector of a circle is shown below. The sector has an area of $60 \pi.$ What is the radius of the circle? read more ..

Akhain1 Apr 10, 2024

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42

0

+1234

Geometry

Point $P$ is on side $\overline{AC}$ of triangle $ABC$ such that $\angle APB =\angle PBA$, and $\angle ABC - \angle ACB = 24^\circ$. Find $\angle PBC$ in degrees.

Akhain1 Apr 10, 2024

+1

29

1

+9

kinda urgent

Write the following expression as a single combination (n choose k) so that k doesn't equal 1 and n-k doesn't equal 1.
(38 choose 5)+(38 choose 32)=(n choose k)

coolerthanu Apr 10, 2024

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17

0

+279

Counting

A baking club wants to form an executive committee. There are $20$ people in the baking club, including Mark. In how many ways can the baking club form an executive committee with $7$ people, including Mark?

fjeihqoO Apr 10, 2024

0

17

0

+279

Counting

A baking club wants to form an executive committee. There are $20$ people in the baking club, including Mark. In how many ways can the baking club form an executive committee with $7$ people?

fjeihqoO Apr 10, 2024

0

21

0

+279

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 read more ..

fjeihqoO Apr 10, 2024

+1

13

1

+11

Help

Represent the sum of the complex numbers −4+3i and −2−i on the complex plane.
Use the Point and Segment tools to plot all required points and segments.
I need it graphed read more ..

justtryinpass Apr 10, 2024

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19

0

+279

Counting

In how many ways can the numbers through be entered once each into the five boxes below so that all the given inequalities are true?
___ > ___ > ___ > ___ < ___

fjeihqoO Apr 10, 2024

0

17

1

+279

Counting

Catherine rolls a standard 6-sided die six times. If the product of her rolls is 200, then how many different sequences of rolls could there have been? (The order of the rolls matters.)

fjeihqoO Apr 10, 2024

0

19

0

+279

Counting

In how many ways can three pairs of siblings from different families be seated in two rows of three chairs, if siblings may sit next to each other in the same row, but no child may sit directly in front of their sibling?

fjeihqoO Apr 10, 2024

0

35

0

+279

Counting

In how many ways can three pairs of siblings from different families be seated in two rows of three chairs, if siblings may sit next to each other in the same row, but no child may sit directly in front of their sibling?

fjeihqoO Apr 10, 2024

0

34

0

+279

Counting

Annville Junior High School has a math club and a science club. There are $3$ students in the math club and $3$ students who are members of both clubs. There are twice as many students in the science club as in the math club. Find read more ..

fjeihqoO Apr 10, 2024

+1

29

1

+9

Find tan 7pi/4

I know how to get the answer, but are we expected to know and memorize the different values of cosine and sin with radians. Like are we supposed to know what sin 7pi/4 without a calculator. Because the last step is (sin 7pi/4)/(cos 7pi/4). I have absolutely read more ..

sticknotes.com Apr 10, 2024

0

19

1

+51

seating

In how many ways can three pairs of siblings from different families be seated in two rows of three chairs, if siblings may not sit next to each other in the same row?

fjeihqo0 Apr 10, 2024

0

21

1

+279

Counting

Annville Junior High School has a math club and a science club. There are $3$ students in the math club and $3$ students who are members of both clubs. There are twice as many students in the science club as in the math club. Find read more ..

fjeihqoO Apr 10, 2024

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