Isolate the variable by dividing each side by factors that don't contain the variable.
At 8:00 am, a building casts a shadow 75 feet long. The angle where the ray from the sun met the ground is 50°. How tall is the building?
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the angle of elevation of shadow from building is 50 degrees tan 50=height of building/length of shadow=h/75 h=75tan50=75(1.192)=89.38 feet the height of the building is 89.38 feet
What is 1000 times 80%
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800
(80% = .8, 1000 x .8 = 800)
80%×1000 :80/100×1000 80000/100 800
Express the quotient in simplest form.
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express the qoutient of what?? I can help if you give me the problem :)
which has more volume a cube of sides measuring 4 units each or a sphere with a radius of 3 units
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V cube = 4^3 = 64 V sphere = 4*π*3^3/3 = 4*π*9 = 36*π≈113 V sphere > V cube.