Saturday

December 20, 2014

December 20, 2014

Total # Posts: 9

**math**

The height of a ball above the ground t seconds after it is thrown is h(t)= 20 + 32t - 16t^2. How long will it take for the ball to hit the ground? (Round your answer to the nearest hundredth of a second.)
*October 30, 2013*

**Math**

Determine the slope of the line that passes through the points E(–1, 9) and F(2, –3).
*May 27, 2012*

**Math**

The slope and y-intercept of the relation represented by the equation 12x – 9y + 2 = 0 are
*May 27, 2012*

**Math**

The equation of line A is y = –9x + 8. Write an equation that represents a line that is perpendicular to line A.
*May 27, 2012*

**Math**

Determine the ordered pair that solves the linear system 3(x – 1) – 2(y – 3) = 0 and 3(x + 4) – 4(y – 1) – 1 = 0.
*May 27, 2012*

**math**

How many solutions are there for the linear system x – y = –5 and x + y = 1?
*May 27, 2012*

**Math**

Ruby is 10 years older than Sam. The sum of their ages is 52. How old is Sam?
*May 27, 2012*

**math**

Jim owns a square piece of land with a side length of a metres. He extends his property by purchasing adjacent land so that the length is increased by 10 m and the width by 12 m. Write an algebraic expression for the area of Jim’s extended property.
*May 26, 2012*

**chemistry**

How is a mole ratio used to find the limiting reactant? Is there a specific equation to find the limiting reactant? Can someone explain it to me because I don't understand it.
*April 7, 2010*

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