All Questions ⁺⁰234669 Questions

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Geometry

Let $AC$ be a diameter of a circle $\omega$ of radius $1$, and let $D$ be the point on $AC$ such that $CD = \frac{1}{5}$. Let $B$ be the point on $\omega$ such that $DB$ is perpendicular to $AC$, and let $E$ be the midpoint of $DB$. Compute length $AE$ read more ..

bader Mar 8, 2024

Mar 7, 2024

-1

13

1

+1887

Binomial

Find the sum of all values of $k$ for which $x^2 + kx - 9x + 25 - 9$ is the square of a binomial.

tomtom Mar 7, 2024

-1

12

1

+1887

Algebra

Five workers have been hired to complete a job. If one additional worker is hired, they could complete the job $8$ days earlier. If the job needs to completed $28$ days earlier, how many additional workers should be hired?

tomtom Mar 7, 2024

0

13

1

+1341

Coordinates

Find the area of the region enclosed by the graph of the equation $x^2-14x+3y+70=15+9y-y^2$ that lies below the line $y=x-3$.

kittykat Mar 7, 2024

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18

1

+1341

Domain

Find the domain of the function $f(x) = \sqrt{6-x-x^2-2x^2}$.

kittykat Mar 7, 2024

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31

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+4

Equations and Inequalities: Solving a fraction word problem using a linear equation of the form Ax = B

Keith is on his way home in his car. He has driven 12 miles so far, which is one-half of the way home. What is the total length of his drive?
help meeeee

fnaflover4005 Mar 7, 2024

0

20

1

+743

Algebra

Fill in the blanks with positive integers:
(3 + sqrt(5))^2*(2 - sqrt(5))^7 = ___ + ___ *sqrt(5)

bingboy Mar 7, 2024

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16

1

+743

Coefficient

Find the coefficient of y^4 in the expansion of (2y - 5)*(5y - 2)^8.

bingboy Mar 7, 2024

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34

1

+556

help with algebra

Find the largest real number $c$ such that $1$ is in the range of $f(x)=x^2-5x+c-3x+8$.

booboo44 Mar 7, 2024

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21

1

+467

Algebra

For what values of $j$ does the equation $(2x + 7)(x - 4) = -31 + jx$ have exactly one real solution? Express your answer as a list of numbers, separated by commas.

ChiIIBill Mar 7, 2024

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26

1

+52

How is the domain of a trigonometric function restricted so that its inverse function is defined?

How is the domain of a trigonometric function restricted so that its inverse function is defined?
Drag a phrase or interval into each box to correctly complete the statements.
The graph of f(x)=cos x _____. read more ..

xXValeXx Mar 7, 2024

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25

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+556

Quadratic

Find the value of $v$ such that $\frac{-21-\sqrt{201}}{10}$ a root of $5x^2+21x+v = 0$.

booboo44 Mar 7, 2024

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26

1

+467

help graphing!

Assume that f(3) = 4. Name a point that must be on the graph of y= 4f(2/5*x + 3) - 7.

ChiIIBill Mar 7, 2024

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34

1

+556

Quadratic

The quadratic equation $x^2+4mx+m = 2x - 6$ has exactly one real root. Find the positive value of $m$.

booboo44 Mar 7, 2024

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19

1

+2651

help coordinates

What is the area of the region defined by the equation $x^2+y^2 - 7 = 4y-14x+2x-6y+3$?

LiIIiam0216 Mar 7, 2024

0

13

1

+52

PLEASE HELP

xXValeXx Mar 7, 2024

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42

1

+2651

Circle

For what value of $c$ will the circle with equation $x^2 - 10x + y^2 + 10y + c = 0$ have a radius of length 1?

LiIIiam0216 Mar 7, 2024

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18

1

+1475

Expected value

Suppose we have a bag with 10 slips of paper in it. Eight slips have a 3 on them and the other two have an 8 on them.
a) What is the expected value of the number shown when we draw a single slip of paper?
b) What is read more ..

parmen Mar 7, 2024

+2

29

1

+273

I need help with functions

Find all points (x, y) that are 5 units away from the point (2, 7) and that lie on the line

ABJelly Mar 7, 2024

+1

34

1

+273

please help!!

What are the coordinates of the points where the graphs of and intersect?
Give your answer as a list of points separated by commas, with the points ordered such that their -coordinates are in increasing order. (So "(1,-3), (2,3), read more ..

ABJelly Mar 7, 2024

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12

3

+85

More tough questions

I am very confused by these problems
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2.
read more ..

Akhaim1 Mar 7, 2024

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20

5

+85

Tough questions

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Akhaim1 Mar 7, 2024

Mar 6, 2024

-1

14

0

+1887

Function

For what values of $x$ is the expression $\frac{\log(x^2-4x-5+2x)}{\sqrt{x-1}}$ defined? Express your answer in interval notation.

tomtom Mar 6, 2024

-1

25

0

+1887

Constants

Find the sum of all constants $k$ such that $3x^2 + kx + 27 - x^2 + 3x$ can be factored in the form $(Ax + B)(Cx+D)$ for some integers $A$, $B$, $C$, and $D$.

tomtom Mar 6, 2024

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