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1219

what is (7k-3)(k 2 -2k+7)

what is (7k-3)(k2-2k+7)

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Guest Jan 22, 2018

1128

+17

HELP

what is 3t+4=12+3t???

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haehae1738 Jan 22, 2018

1182

+17

I don't know

I am completly clueless when it comes to math.

off-topic

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haehae1738 Jan 22, 2018

809

+1378

Sorry I Couldn't Type This Out

Thanks :D

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AnonymousConfusedGuy Jan 22, 2018

1032

+1378

Not sure where to start here...

A quadrilateral is called a "parallelogram" if both pairs of opposite sides are parallel. Show that if WXYZ is a parallelogram, then < W = < Y and < X = < Z.

(< = angle)
read more ..

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AnonymousConfusedGuy Jan 22, 2018

1140

https://vle.mathswatch.co.uk/vle/assignment/777190/8267

dont know it

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Guest Jan 22, 2018

968

good morning

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TANKER15 Jan 22, 2018

879

eccentricity

I don't get eccentricity and its relation to hyperbolas...in a question where I have to form an equation for a hyperbola with a center at (-3,1), one focus at (2,1), and eccentricity is 5/4, how would I solve this?

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Guest Jan 22, 2018

1184

graph 9xy=16

graph 9xy=16 ?

Omi67 ●

Guest Jan 22, 2018

796

Linear Programing

Can someone explain how to get the equations from this problem or check if my equations are right:

We have two types of workers tenured and probationary. Our Union contract states that of our 34000 work hours a week at least read more ..

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Guest Jan 22, 2018

1872

Help

Suppose $a$ and $x$ satisfy $x^2 + \left(a-\frac{1}{a}\right)x - 1 = 0$. Solve for $x$ in terms of $a$.

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Guest Jan 22, 2018

2228

Need help with rewriting expressions

Rewrite the expression $6j^2 - 4j + 12$ in the form $c(j + p)^2 + q$, where $c$, $p$, and $q$ are constants. What is $\frac{q}{p}$?

Melody ●

Guest Jan 22, 2018

2338

Help

If $s$ is an integer and the root(s) of the quadratic expression $\frac{1}{2}x^2+sx-\frac{1}{2}$ are integers, find the sum of all possible values of $s$.

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Guest Jan 22, 2018

621

Simplifying Exponential Fractions

Simplify this expression. Assume that all variables are positive.

X2/3y-1/4
----- read more ..

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Guest Jan 22, 2018

Jan 21, 2018

3096

The formula 180(n-2) gives the number of degrees

The formula 180(n-2) gives the number of degrees in the angles of a convex polygon because n-2 triangles can be drawn (with no lines crossing) in a polygon with n sides, each triangle containing 180. In how many ways can a convex heptagon be divided read more ..

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Guest Jan 21, 2018

3580

+1443

help plz

Dates can be written as month/day/year using integers 1 through 12 for the month, followed by the day of the month, followed by the last two digits of the year. The date 12/ 3/ 45 is an increasing sequence of consecutive digits, while 1/ 22/ 34, read more ..

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SmartMathMan Jan 21, 2018

830

+1443

help

How many integers between 200 and 300 have the sum of their digits equal to 15?

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SmartMathMan Jan 21, 2018

1912

+1443

HELP THIS IS VERY IMPORTANT!

How many integers between 200 and 300 have the sum of their digits equal to 15?

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SmartMathMan Jan 21, 2018

4651

+1443

Help!

The sum of all the digits used to write the whole numbers 10 through 13 is 1+0+1+1+1+2+1+3 = 10. What is the sum of all the digits used to write the whole numbers 1 through 110, inclusive?

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SmartMathMan Jan 21, 2018

2396

PLS HELP NOW PLS DUE TMROW

1) Find the area of a regular 12-gon inscribed in a unit circle.

2) A regular hexagon has side length 6. If the perimeter and area of the hexagon are p and A, respectively, what is the value of (p^4)/(a^2)? read more ..

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Guest Jan 21, 2018

-1

3455

Help with 2 questions

1. The solutions of $x(x-3)=1$ may be expressed in the form $\frac{a+\sqrt{b}}{c}$ and $\frac{a-\sqrt{b}}{c}$, where $a$, $b$, and $c$ are prime numbers. Find $abc$.

2. The quadratic $4x^2+2x-1$ can be written in the form read more ..

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Guest Jan 21, 2018

1769

18+5x^2=20x

There are two distinct solutions $x$ to the equation $18+5x^2=20x$. If each solution is rounded to the nearest integer, and then these two integers are multiplied together, what is the result?

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Guest Jan 21, 2018

718

Help

If we express $3x^2 + x - 4$ in the form $a(x - h)^2 + k$, then what is $k$?

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Guest Jan 21, 2018

All Questions ⁺⁰237827 Questions

what is (7k-3)(k 2 -2k+7)

HELP

I don't know

Sorry I Couldn't Type This Out

Not sure where to start here...

https://vle.mathswatch.co.uk/vle/assignment/777190/8267

good morning

eccentricity

graph 9xy=16

Linear Programing

Help

Need help with rewriting expressions

Help

Simplifying Exponential Fractions

The formula 180(n-2) gives the number of degrees

help plz

help

HELP THIS IS VERY IMPORTANT!

Help!

PLS HELP NOW PLS DUE TMROW

Help with 2 questions

18+5x^2=20x

Help

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