2 years ago

How many dots are in the 5th step?

Mathematics

1 answer:

zaharov [31]2 years ago

7 0

Answer:

add 5 + 4, which is 9 and that's 81 dots

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HELP PLEASE ASAP!!! Khan Academy unit test!

dsp73

Answer:

As=0.13

Step-by-step explanation:

If we have central angle we use this rule to find area of sector :

$As=\pi r^{2}(\frac{C}{360})$

C is central angle. r is radius.

$As=\pi *9*\frac{\frac{9\pi }{17} }{360} =\\\\As=\pi *9*\frac{9\pi }{17*360} =\\\\$

Evaluate :

$\frac{798.63}{6120}=0.13$

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3 years ago

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Answer:

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Step-by-step explanation:

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tankabanditka [31]

Step-by-step explanation:

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Suppose M is the midpoint of line FG.

alukav5142 [94]

$A)\\|FM|=5y+13;\ |MG|=5-3y\\\\|FG|=|FM|+|MG|\\\\|FG|=(5y+13)+(5-3y)=2y+18\\\\B)\\|FM|=8a+1;\ |FG|=42\\\\|FG|=2|FM|\\\\2(8a+1)=42\\16a+2=42\ \ \ \ \ |subtract\ 2\ from\ both\ sides\\16=40\ \ \ \ \ |divide\ both\ sides\ by\ 16\\a=\frac{40}{16}\\a=\frac{5}{2}\\a=2.5$