math
From 70 feet away from the base of a tree on level ground, the angle to the top of a tree is 60⁰. What is the height of the tree? What is the approximate distance from the vantage point to the top of the tree, to one decimal point? (Assume that the tree is perpendicular ...
Algebra
9 more than 2 times x
physics
if the * is the degrees, then you need to draw the vectors according to their direction. you can use a graph paper and make your own scale: say one unit cube is 10km/hr. then use the protractor to draw the vectors taking an horizontal line as zero degrees. then draw the vector...
Science
which of the following is an example of a mineral? silver, lava, fossils, sand, I say Lava
stats
suppose that a population of people is 1200. .25 of the population is white. we take a random sample of 100 people. What is the probabilit that more than .29 of these people are white?
chemistry
A metal block of mass 11.5 g gives off 360 J of heat while cooling from 99.7 to 32.5 oC. What is the specific heat of the metal in J g-1 oC-1?
chemistry
A metal block of mass 11.5 g gives off 360 J of heat while cooling from 99.7 to 32.5 oC. What is the specific heat of the metal in J g-1 oC-1?
Science
Name 3 ways screws are used?
math
which fraction cannot be expressed as repeat decimal? a) 1/11 b)1/4 c 5/8 d 2/3
math
solve the equation: 3x-8=12
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