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501

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help

One pipe can fill a pool in 9 hours. Another pipe can fill the pool in 6 hours. How long would it take them to fill the pool if they were working together?

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Guest Apr 19, 2020

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428

1

please help

Find the solutions of the quadratic equation -9x^2 + x + 3 = 0.

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Guest Apr 19, 2020

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496

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help

Which polynomial function could be represented by the graph below?

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Guest Apr 19, 2020

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472

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PLEASE HELP!

I have 5 different biology textbooks and 4 different economics textbooks. In how many ways can I place the 9 textbooks on a bookshelf, in a row, if there must be an economics textbook in the middle, and there must be a biology textbook at each end? read more ..

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Guest Apr 19, 2020

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325

0

help

how to do fractions on the calculator

Guest Apr 19, 2020

+1

526

1

+22

pls help

Of the five quadratics listed below, four of them have two distinct roots. The fifth quadratic has a repeated root. Find the value of the repeated root.

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Safri Apr 19, 2020

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448

1

+22

word problem

A box has a total surface area of 100 The length of the box is equal to twice its width, as well as equal to 3 less than its height. What is the height of the box?

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Safri Apr 19, 2020

+1

498

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+22

find all values of x

find all values of x such that

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Safri Apr 19, 2020

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457

1

+22

find all values of x such that

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Safri Apr 19, 2020

+1

626

1

HELP!

I have 5 different biology textbooks and 4 different economics textbooks. In how many ways can I place the 9 textbooks on a bookshelf, in a row, if there must be an economics textbook in the middle, and there must be a biology textbook at each end? read more ..

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Guest Apr 19, 2020

0

487

1

+22

HELP

Find all values of x such that 3x^2+16x+5=0

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Safri Apr 19, 2020

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317

0

help

In how many ways can Ray, Steve, Ben, Ann, Cindy, and Dolly line up so that no two of the three boys are next to each other?

(Ray, Steve and Ben are boys. Ann, Cindy, and Dolly are girls.)

Guest Apr 19, 2020

+1

523

1

+84

help quickly please

A right triangle has legs of length 6 and b, and a hypotenuse of length c. The perimeter of the triangle is 18. Compute c.

read more ..

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floccinaucini Apr 19, 2020

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527

1

Can anyone help me with this question please? I need help ASAP thanks!!!!!

Let p and q be real numbers such that the roots of x^2+px+q=0 are real. Prove that the roots of x^2+px+q+(x+a)(2x+p)=0 are real, for any real number a.

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Guest Apr 19, 2020

0

970

10

+22

This problem has been stomping me, please help!!!

We define a bow-tie quadrilateral as a quadrilateral where two sides cross each other. An example of a bow-tie quadrilateral is shown below.
The Image I cannot upload, but it is of a circle with 7 points on it, and two of each of the points read more ..

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awoafdwawda Apr 19, 2020

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373

1

I NEED AN EXPLANATION FOR THE ANSWER THANKS!!!!

Let $p$ and $q$ be real numbers such that the roots of \[x^2 + px + q = 0\]are real. Prove that the roots of \[x^2 + px + q + (x + a)(2x + p) = 0\]are real, for any real number $a.$

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Guest Apr 19, 2020

0

1104

1

Help please :)

Find the 3 smallest positive x-intercepts of the graph of and list them in increasing order.

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Guest Apr 19, 2020

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460

1

help

Solve the following system of equations

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Guest Apr 19, 2020

0

406

1

please help!

I have 5 different biology textbooks and 4 different economics textbooks. In how many ways can I place the 9 textbooks on a bookshelf, in a row, if there must be an economics textbook in the middle, and there must be a biology textbook at each end? read more ..

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Guest Apr 19, 2020

0

480

1

please help

What is the equation of the line that passes through the point (6,-5) and has a slope of -3/2

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Guest Apr 19, 2020

0

459

1

help

How many real solutions does this system of equations have?

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Guest Apr 19, 2020

0

489

1

help

Solve the following systems of equations for x.

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Guest Apr 19, 2020

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695

2

help

Find the solutions of the quadratic equation 3x^2 + 9x + 17 = 0.

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Guest Apr 19, 2020

All Questions ⁺⁰235531 Questions

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pls help

word problem

find all values of x

find all values of x such that

HELP!

HELP

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help quickly please

Can anyone help me with this question please? I need help ASAP thanks!!!!!

This problem has been stomping me, please help!!!

I NEED AN EXPLANATION FOR THE ANSWER THANKS!!!!

Help please :)

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please help!

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