Tuesday

March 31, 2015

March 31, 2015

Total # Posts: 11

**science**

If a 150 pound man walks onto an elevator. Suddenly it rises rapidly from the 1st to 14th floor. if the man steps onto a scale in the elevator during the rapid rise, he would weigh... A) 150 pounds B) More than 150 pounds C) Less than 150 pounds Please explain, thank you.
*October 29, 2011*

**science**

If a 150 pound man walks onto an elevator. Suddenly it rises rapidly from the 1st to 14th floor. if the man steps onto a scale in the elevator during the rapid rise, he would weigh... A) 150 pounds B) More than 150 pounds C) Less than 150 pounds Please explain, thank you.
*October 29, 2011*

**Science**

If a 150 pound man walks onto an elevator. Suddenly it rises rapidly from the 1st to 14th floor. if the man steps onto a scale in the elevator during the rapid rise, he would weigh... A) 150 pounds B) More than 150 pounds C) Less than 150 pounds Please explain, thank you.
*October 29, 2011*

**alberga**

3r-5s= -4 5r+3s= 16 Multiply the 1st equation by 5 and the second by 3... 15r-25s= -20 15r+9s=48 Subtract both -34s= -68 divide by -34 s=2 substitute 3r-10= -4 3r=6 r=2
*October 29, 2011*

**math**

Find a value of n when the sq. root of n^2 is NOT n.
*April 6, 2011*

**Math**

Change it into to inches. So 5= 60 7 and 8" is= 92 and 19= 228. 60/92 = x/228. SOlve the proportion to get x is about = to 149. Divide by 12 and you get about 12 feet tall.
*April 6, 2011*

**algebra**

another way to put this is 1/3 * by 8/3. this is 8/6 or 4/3.
*March 16, 2011*

**MATH**

A track meet awards 6, 5, 4, 3, 2 and 1 points for 1st, 2nd, 3rd, 4th, 5th and 6th places, respectively. Team A’s only two runners originally earned 6 points in the ﬁrst race with both runners ﬁnishing in the top 6, but then the winner of the ﬁrst ...
*March 16, 2011*

**Math**

The surface area of a particular cube is 600 square inches. When the edges of the cube are doubled in length, what is the volume of the new cube, in cubic inches?
*March 15, 2011*

**Math**

first turn this into a triangle... the base is 66 and you know two of the angles (30 deg. and 90 deg (the base and the ground)). Now this is a 30-60-90 triangle. the rules 4 30-60-90 is the base is x, the hyp. is 2x and the other leg is x multiplied by the sq. root of 3. you ...
*March 15, 2011*

**Math**

h= 66 root 3 or 66 multiplied by the sq. root of 3.
*March 15, 2011*

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