How do you write an equation for a a line perpendicular to a line with only having the equation and not graphing?
2 answers:
Perpendicular lines gradients times to get -1 so you just use a line with any y intercept but the gradient must times with the gradient you already have to get minus one.
Put each formula in y=mx+b form, then find the inverse of m.
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Answer:
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Answer:
-18.8
Step-by-step explanation:
1/4 as a decimal is 0.25 so then if you divide -4.7 by 0.25 the answer is -18.8 :)
I hope this helped :)
Answer:
x = 7.5
Step-by-step explanation:
10/4 = 2.5
x = 3 × 2.5 = 7.5
Another way
x = 3/4 × 10 = 7.5
A = 1/2 bh
multiply each side by 2
2A = bh
divide each side by b
2A/b =h
The height of a triangle is equal to twice the area A divided by the base ,b.
