3 years ago

Gravel covers 66 ft of a path. This distance represents 55% of the length of the path. What is the length of the path?

Mathematics

1 answer:

Zarrin [17]3 years ago

3 0

Just divide 66 by 11 or 6, you should be able to then just find out it is the answer of 11 or 6 multiplied by 100

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Let g(x)=2x and h(x)=x^2+4 <br><br> (g o h)(0)

sweet [91]

Answer would be 0 because whatever you get when you plug in g&h in the equation you have to multiply that by 0. And a number multiplied by 0 is always 0.
Hope this helped. Have a great day!

4 0

4 years ago

Simplify -2+5(2+6r)<br><br> I’ll mark brainlist

Dmitriy789 [7]

Answer:

10+30r

Step-by-step explanation:

-2+5(2+6r)

expand 5(2+6r)

5x2=10

(6r)x(5)=30r

so it is 10+30r

then add that to -2

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Hope that helps :)

6 0

3 years ago

Convert the Cartesian equation 2xy = 1 to a polar equation.

GuDViN [60]

$\bf \textit{Double Angle Identities}
\\\\
sin(2\theta)=2sin(\theta)cos(\theta)\\\\
-------------------------------\\\\
\begin{cases}
x=rcos(\theta )\\
y=rsin(\theta )
\end{cases}\qquad 2xy=1\implies 2rcos(\theta )rsin(\theta )=1
\\\\\\
r^2\cdot 2cos(\theta )sin(\theta )=1\implies r^2\cdot sin(2\theta )=1$