07/23/19

#### SAT SCORE 750???

Is a total of 750 on the sat falling will the person be able to graduate highschool?

07/03/19

#### does 1 mole = 6.02 x 10^23 amu

06/26/19

#### Vectors and magnitude

vector v - vector u= <15, -20> Find the magnitude of vector ||vector v - vector u||. Find the exact value. Does that mean that ||vector v - vector u||= sqrt of 15^2+(-20)^2. How would I...
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06/08/15

#### can someone solve this problem?

A painter leans a ladder against one wall of a house (see diagram). The ladder is 15 feet long. The base of the ladder is 9 feet from the house. How high up the wall is the ladder.

06/08/15

#### a 210-inch board is cut into two pieces, one piece is four times the length of the other. Find the lengths of the two pieces

a 210-inch board is cut into two pieces, one piece is four times the length of the other. Find the lengths of the two pieces.

06/08/15

#### physics help needed...

A horizontal force of 10 N is just sufficient to hold the box stationary against the wall, coefficient of friction between the block and the wall is 0.2. weight of the block is ?...
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