All Questions ⁺⁰236009 Questions

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+1678

interest

Chuck deposits $2000 into a bank account that compounds annually at an interest rate of . Assuming there are no other transactions, what will the balance be after years, in dollars?
Chuck deposits $2000 into a bank read more ..

wiseowl Dec 2, 2023

0

59

0

+1678

function

The graph of the exponential function $f(x)$ is shown below. Find $f(x).$

wiseowl Dec 2, 2023

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44

2

+1678

algebra

Fill in the blank: 3*___ = 81*5

wiseowl Dec 2, 2023

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29

1

+1768

Algebra

The graph of $y=f(x)$ is shown below in red. Given that $f$ is invertible, find $f^{-1}(4)$. (Assume grid lines are spaced $1$ unit apart.)

bader Dec 2, 2023

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21

1

+1768

graphing

What are the coordinates of the points where the graphs of $f(x)=x^3 + x^2 - 3x + 5$ and $g(x)=x^4-7x^3+5x^2-18x+17$ intersect?
Give your answer as a list of points separated by commas, with the points ordered such that read more ..

bader Dec 2, 2023

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29

1

+1768

plz help

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 $x$-intercept $(10,0)$ and $y$-intercept $(0,-2)$. Find read more ..

bader Dec 2, 2023

+2

27

2

+180

A circle centered at the origin is tangent to line x-2y+15=0 What is the area of the circle?

A circle centered at the origin is tangent to line x-2y+15=0 What is the area of the circle?

itsash Dec 2, 2023

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42

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+1768

need help

Find the vertex of the graph of the equation $x - y^2 + 8y = 13 + 2y + y^2 - 7y - 14$.

bader Dec 2, 2023

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52

0

+1768

help with parabola

The parabola $y = ax^2 + bx + c$ is graphed below. Find $a + b + c$. (The grid lines are one unit apart.)

bader Dec 2, 2023

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59

0

+1768

functions

(a) Let f : (-inf,0) U (0,inf) -> R be defined by f(x) = x + 1/x. Show that f has no inverse function.
(b) Let g : (0,inf) -> R be defined by g(x) = 1/x. Show that g has an inverse function.

bader Dec 2, 2023

0

21

1

+4

Help fast

A recent survey of mathematicians and chess players found that 50% of mathematicians surveyed are chess players, and 20% of chess players surveyed are mathematicians. If N% is the percent of those surveyed who are both mathematicians and chess players, read more ..

Betahunter911 Dec 2, 2023

Dec 1, 2023

-1

60

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+1505

help geometry

In triangle $PQR$, let $M$ be the midpoint of $\overline{PQ}$, let $N$ be the midpoint of $\overline{PR}$, and let $O$ be the intersection of $\overline{QN}$ and $\overline{RM}$, as shown. If $\overline{QN}\perp\overline{PR}$, $QN = 1$, and $PR =1$, read more ..

blackpanther Dec 1, 2023

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55

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+1505

need help

In triangle $STU$, let $M$ be the midpoint of $\overline{ST},$ and let $N$ be on $\overline{TU}$ such that $\overline{SN}$ is an altitude of triangle $STU$. If $ST = 8$, $SU = 8$, $TU = 8$, and $\overline{SN}$ and $\overline{UM}$ intersect at $X$, read more ..

blackpanther Dec 1, 2023

-1

57

0

+1505

Altitudes

Altitudes $\overline{AD}$ and $\overline{BE}$ of acute triangle $ABC$ intersect at point $H$. If $\angle AHB = 144^\circ$ and $\angle BAH = 66^\circ$, then what is $\angle HCA$ in degrees?

blackpanther Dec 1, 2023

-1

41

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+1505

geometry

Points $M$, $N$, and $O$ are the midpoints of sides $\overline{KL}$, $\overline{LJ}$, and $\overline{JK}$, respectively, of triangle $JKL$. Points $P$, $Q$, and $R$ are the midpoints of $\overline{NO}$, $\overline{OM}$, and $\overline{MN}$, respectively. read more ..

blackpanther Dec 1, 2023

-1

58

1

+1505

need help

Let $M$, $N$, and $P$ be the midpoints of sides $\overline{TU}$, $\overline{US}$, and $\overline{ST}$ of triangle $STU$, respectively. Let $\overline{UZ}$ be an altitude of the triangle. If $\angle TSU = 60^\circ$ and $\angle STU = 45^\circ$, read more ..

blackpanther Dec 1, 2023

-1

15

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+1505

help plz

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 $AB = 20$, $AC = 20$, read more ..

blackpanther Dec 1, 2023

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49

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+1505

triangle

Altitudes $\overline{AP}$ and $\overline{BQ}$ of an acute triangle $\triangle ABC$ intersect at point $H$. What is the area of triangle $ABC$?

blackpanther Dec 1, 2023

0

49

2

+101

Geometry Question

Quadrilateral ABCD is an isosceles trapezoid, with bases AB and CD. A circle is inscribed in the trapezoid, as shown below. (In other words, the circle is tangent to all the sides of the trapezoid.) The length of base AB is 2x, and the length of base read more ..

Vxritate Dec 1, 2023

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42

1

+660

PLS Heelpp! Due very soon!

Fill in the blanks to make the equation true. (Each blank should contain an integer.)

Keihaku Dec 1, 2023

Nov 30, 2023

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61

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+1678

Polynomial

What is the coefficient of $x^2$ in $(x^3 + x^2 + x + 1)(5x^4 - 8x^3 + 17x^2 + 4x - 18)$?

wiseowl Nov 30, 2023

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39

1

+1678

Polynomial

What is the coefficient of $x$ in $(x^3 + x^2 + x + 1)(x^4 - 8x^3 + 17x^2 - 23x + 14)$?

wiseowl Nov 30, 2023

0

49

0

+1678

Algebra

There exists a polynomial $f(x)$ and a constant $k$ such that
(x^2 - 2x - 5) f(x) = 2x^4 + 19x^3 + kx^2 - 15x - 1.
What is $k?$

wiseowl Nov 30, 2023

0

42

0

+1678

polynomials

Find $t$ if the expansion of the product of $x^3$ and $x^2 + tx$ has no $x^2$ term.

wiseowl Nov 30, 2023

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