3 years ago

F(r) = 3.14r2. what is f(5)?

Mathematics

1 answer:

rjkz [21]3 years ago

5 0

Answer:

f(5)= 78.5. I hope this helps!!

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Help! Read the question on the image! Thanks!

Vilka [71]

Answer:

its not A if your asking that

Step-by-step explanation:

i cant see all imeges but look you the one that has 1 as the x vaue and goes to 5 for the first plot.

6 0

3 years ago

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What is parallel to 2x-y=1 and contains (4, -6)? Please show your work!

Contact [7]

$k:\ y=m_1x+b_1\\\\l:\ y=m_2x+b_2\\\\l\ ||\ k\iff m_1=m_2\\\\\text{We have}\\\\k:\ 2x-y=1\ \ \ |-2x\\-y=-2x+1\ \ \ \ |\cdot(-1)\\y=2x-1\to m_1=2\\\\l:\ y=m_2x+b\\\\l\ ||\ k\iff m_2=2\\\\l:\ y=2x+b\\\\\text{The line l contains (4, -6)}\\\\\text{Put the values of coordinates to the equation of line l}\\\\-6=2(4)+b\\-6=8+b\ \ \ \ \ |-8\\b=-14\\\\Answer:\ y=2x-14\to 2x-y=14$