All Questions ⁺⁰238471 Questions

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1176

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HELPPPP

If -5\leq a \leq -1$ and $1 \leq b \leq 3$, what is the least possible value of $\displaystyle\left(\frac{1}{a}+\frac{1}{b}\right)\left(\frac{1}{b}-\frac{1}{a}\right) $? Express your answer as a common fraction.

Guest May 24, 2019

0

1027

1

+299

Urgent!!!

Solve the equation 3x-1/2y=2

ElectricPavlov ●

Nerd123 May 24, 2019

0

697

1

help??

Find all pairs of real numbers (x,y)$ such that $x + y = 6$ and $x^2 + y^2 = 28$. If you find more than one pair, then list your pairs in order by increasing x$ value, separated by commas. For example, to enter the solutions $(2,4)$ and $(-3,9)$, you would read more ..

Guest May 24, 2019

0

1034

1

help (last one)

The two lines shown intersect at the point (a,b). Find ab. Each unit square in the grid represents a distance of 1 .

ElectricPavlov ●

Guest May 24, 2019

0

1267

1

help plz

What is the intersection of the lines given by y=-3x+5$ and $y=2x-6$? Express your answer as an ordered pair.

ElectricPavlov ●

Guest May 24, 2019

0

1342

2

Help pls

The first figure contains 2 dots, the second 6 dots, and the third 12 dots. If the pattern continues, how many dots would the tenth figure contain?

Guest May 24, 2019

May 23, 2019

0

754

1

Help with 2 questions

1. Find all integers n for which

Please put your second question on a different post - Melody.

Guest May 23, 2019

0

1

1415

1

help (last few)

}}$. Rationalize the denominator: frac{1}{1 + \sqrt{2} - \sqrt{3}}$. The simplified result can be written in the form $\frac{\sqrt{2} + a + \sqrt{b}}{c}$, where $a$, $b$, and $c$, are positive integers. What is $a + b + c$?

Guest May 23, 2019

0

691

1

Need Help please!

I need help with this question very badly! Hope someone can help.

Guest May 23, 2019

0

1354

1

help

The lines y=5x+3$, $y=-2x-25$ and $y=3x+k$ intersect at the same point. What is the value of $k$?

Guest May 23, 2019

0

1513

1

helppppp

What is the value of a$ if the lines $2y - 2a = 6x$ and $y + 1 = (a + 6)x$ are parallel?

Guest May 23, 2019

0

1366

1

+422

Help Please

The least common multiple of two numbers is 3720, and their greatest common divisor is 8. Given that one of the numbers is 120, what is the other number?

APatel May 23, 2019

0

751

1

HELPPPPP

If x + 2y= 4 and xy = -8, what is the value of x^2 + 4y^2?

Guest May 23, 2019

0

830

1

calculator problem

how to use randint on this

off-topic

Guest May 23, 2019

0

270

1

Help urgent need. Need answer today!!!!:)

Dorothy has a mysterious button on her calculator. When she types in an integer and hits the button,
if the input is odd, the calculator outputs less than triple the input.
if the input is even but not divisible by , the calculator outputs read more ..

Guest May 23, 2019

-5

870

2

+73

A unit circle is centered at the origin. Last One!

A unit circle is centered at the origin.

GAMEMASTERX40 May 23, 2019

-5

1392

1

+73

If is an angle in standard position and its terminal side passes through the point , find the exact value of .

If is an angle in standard position and its terminal side passes through the point , find the
exact value of .

GAMEMASTERX40 May 23, 2019

0

956

1

Please help with this physics problem

The moon phobos orbits mars (mass= 6.42 x 10^23 kg) at a distance of 9.38 x 10^6 m. what is its period of orbit?

Guest May 23, 2019

0

804

1

geometry

Find the center and radius of the circle with equation (x + 2)2 + (y + 7)2 = 81.

Guest May 23, 2019

0

855

1

+31

HELP PLZ URGENT

At time t=0,$ a ball is thrown downward at 24 feet per second from a height of 160 feet above the ground. The equation h = -16t^2 - 24t +160$ describes the height (in feet) of the ball. In how many seconds will the ball hit the ground? Express your answer read more ..

samus May 23, 2019

0

837

1

Math help

Guest May 23, 2019

0

551

0

Grinding Machine ratio calculator

A/B * C/D = k If I have 'k' as a given number what formula could i use to circle to all possible alternatives for A,B,C,D(1...200) to get as close as possible to K

Guest May 23, 2019

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