Leonardo da Vinci drew a portrait of a young woman. The portrait is shaped like a rectangle. It is 13.5 inches long and 10 inche s wide. What is the length of a diagonal that connects one corner of the portrait to the other? Round the answer to the nearest tenth of an inch.
1 answer:
Let x---------------> long side rectangle------------> 13.5 in y---------------> wide side rectangle------------> 10 in d--------------> <span>length of a diagonal </span> we know <span>applying the Pythagorean theorem </span>d²=x²+y²-----------> d²=13.5²+10²-> d²=282.25 d=√282.25=16.80 inthe answer is 16.8 in
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f(-4) = -18
Step-by-step explanation:
f(-4) means x = - 4
So Plug in x = - 4 into f(x) = 3x - 6
f(-4) = 3(-4) - 6
= -12 - 6
= -18
So
f(-4) = -18
1.Make y the subject
k = xy
k/x = xy/x
y = k/x
2.Substitute
y = k/x
y = 7/9
y = 0.777......
y = 0.8 (A n s w e r )
T o c o n f i r m
k = xy
k = 9 × 0.8
k = 7.2
k = 7 (constant )
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Step-by-step explanation:
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