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Elden [556K]
3 years ago
12

W(x)=4x+5, find w(-8)

Mathematics
2 answers:
ollegr [7]3 years ago
5 0
If I remember properly, the number in the parentheses will be substitute the x on the other side of the equation sign. So w(-8)=4(-8)+5, or -40+5 which is equal to -35
Genrish500 [490]3 years ago
3 0
Just Put -8 in for X 4(-8)+5   goes to -32+5 to       27
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the half circle at the top has a diameter of 6m. therefore, it’s radius is 3m. if it is cut in half, the part removed from the triangle height is 3m. therefore, the height of the triangle is 35 -15 = 20; 20 - 3 = 17. the height of the triangle is 17. the triangle area formula is a = 1/2(bh).
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