MATH
The bottom of the ladder on a horizontal flat surface rests against a wall. It makes an angle of elevation of 35°. The bottom of the ladder is 42 ft from the base of the wall. How long is the ladder? Round your answer to the nearest whole number.
alg 1
f(x)=-3x squade 2
Finite
The quantity demanded each month of Russo Espresso Makers is 250 when the unit price is $136. The quantity demanded each month is 1000 when the unit price is $106. The suppliers will market 750 espresso makers when the unit price is $72 or higher. At a unit price of $92, they ...
chemistry
.592grams of na2so4
chemistry
0.1 molality or m total ions of Na2SO4
chemistry
if you want a solution that is .1m in ions what mass of na2so4 must you dissolve in125 grams of water assume total dissolution of ionic solid.
math
a piece of rope 80 centimeters long must be cut into 2 pieces. Each piece of rope will be used to form a rectangle. Where would the rope be cut if the area of 1 rectangle must be 1/4 the area of the other rectangle
orgo
The first explanation is impossible, since any purity would change the melting point, even if the impurity has the same melting point as naphthalene. If the procedure involves the removal of colored impurities via charcoal, then it is likely that the color is caused by residua...
math
How do you calculate the total number cells in a human body given that a cell is 1/1,000 of an inch in diameter and the average human body is 66 inches?
math
Jonah has a large collection of marbles. He notices that if he borrows 5 marbles from a friend, he can arrange the marbles in rows of 13 each. What is the remainder when he divides his original number of marbles by 13?
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