All Questions ⁺⁰235714 Questions

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40

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+1533

Function

If is a function f(x)whose domain is[-8,8] , and g(x)=f(x)/2 , then the domain of g(x) is an interval of what width?

parmen Jan 12, 2024

+1

20

1

+290

Trig Problem

Simon bought a new shop and wants to order a new sign for the roof of the building. From point P, he finds the angle of elevation of the roof, from ground level, to be 31º and the angle of elevation of the top of the sign to be 42º. If point P is read more ..

DS2011 Jan 12, 2024

+1

32

2

+19

Any help is appreciated :)

Let x and y be nonnegative real numbers. If x y=2/5, then find the minimum value of 6x+(3/5)y. Any help is greatly appreciated! Thanks :)

breadysetgo Jan 12, 2024

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45

1

+306

Function

Let $A(t) = 3 - 5t^3 \cdot 4 \cdot 2^t$. Find $A(2) - A(1)$.

nathanl6656 Jan 12, 2024

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32

1

+306

Domain

Let
\[f(x) = \frac{2x + 3}{x^2 + 7}.\]
Find the domain of $f$. Give your answer using interval notation.

nathanl6656 Jan 12, 2024

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46

2

+1768

Graphing

Which graph represents the solution set

bader Jan 12, 2024

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27

1

+1768

Interval

Which graph is the solution set?

bader Jan 12, 2024

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40

1

+1678

Rectangle

Points $A$ and $B$ are on side $\overline{YZ}$ of rectangle $WXYZ$ such that $\overline{WA}$ and $\overline{WB}$ trisect $\angle ZWX$. If $WX = 2$ and $XY = 3$, then what is the area of rectangle $WXYZ$?

wiseowl Jan 12, 2024

-1

40

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+1678

Rectangle

In rectangle $WXYZ$, $A$ is on side $\overline{WX}$, $B$ is on side $\overline{YZ}$, and $C$ is on side $\overline{XY}$. If $AX = 15$, $BY = 20$, $\angle ACB= 60^\circ$, and $CY = 3 \cdot CX$, then find $AB$.

wiseowl Jan 12, 2024

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21

1

+1678

Medians of a triangle

In right triangle $ABC,$ $\angle C = 90^\circ$. Median $\overline{AM}$ has a length of 1, and median $\overline{BN}$ has a length of 1. What is the length of the hypotenuse of the triangle?

wiseowl Jan 12, 2024

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37

1

+1678

help with triangle

Plz help Im stuck
In triangle $PQR,$ $M$ is the midpoint of $\overline{QR}.$ Find $PM.$
PQ = 5, PR = 8, QR = 11

wiseowl Jan 12, 2024

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31

0

+1364

Triangle

In triangle $ABC$, points $D$ and $F$ are on $\overline{AB},$ and $E$ is on $\overline{AC}$ such that $\overline{DE}\parallel \overline{BC}$ and $\overline{EF}\parallel \overline{CD}$. If $CE =3$ and $DF = 3$, then what is $BD$?

sandwich Jan 12, 2024

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22

1

+1364

Quadrilateral

In quadrilateral $BCED$, sides $\overline{BD}$ and $\overline{CE}$ are extended past $B$ and $C$, respectively, to meet at point $A$. If $BD = 8$, $BC = 3$, $CE = 1$, $AC = 19$ and $AB = 13$, then what is $DE$?

sandwich Jan 12, 2024

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47

1

+1768

Need help

Help I need help with this

bader Jan 12, 2024

+1

25

2

+1768

Circles

Help how do you do angles with circles

bader Jan 12, 2024

+1

18

1

+1768

Circles

Help I need help with circles

bader Jan 12, 2024

+1

49

1

+25

pls help its diffiuclt

Let A1, A2, A3....A15 be a regular polygon. A rotation centered at A4 with an angle of X takes A8 to A15. Given that X < 180, find X in degrees.

nathan166656 Jan 12, 2024

+1

42

1

+1911

counting question

I run a book club with $n$ people, not including myself. Every day, for $100$ days, I invite $14$ members in the club to review a book. What is the smallest positive integer $n$ so that I can avoid ever having the exact same group of $14$ members read more ..

tomtom Jan 12, 2024

+1

36

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+1911

Balls in boxes

In how many ways can $4$ balls be placed in $8$ boxes if the balls and boxes are both distinguishable?
In how many ways can $4$ balls be placed in $8$ boxes if neither the balls nor the boxes are distinguishable?
In read more ..

tomtom Jan 12, 2024

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29

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+1911

Counting problems

A baking club wants to form an executive committee. There are $18$ people in the baking club, including Mark. In how many ways can the baking club form an executive committee with $2$ people?
A baking club wants to form read more ..

tomtom Jan 12, 2024

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