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snow_lady [41]
3 years ago
13

Find the equation of the line using the point-slope formula.

Mathematics
1 answer:
irina [24]3 years ago
7 0

Answer:

9x-7y+28=0

Step-by-step explanation:

using formula

y-y1=m(x-x1)

y-4=9/7(x-0)

7y-28=9x

9x-7y+28=0

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What is the area of the sector with a central angle of 49° and a radius of 11 cm? Use 3.14 for pi and round your final answer to
olga_2 [115]

Answer:

\boxed{\text{51.71 cm}^{2}}

Step-by-step explanation:

If the angle θ is in radians, the formula for the area (A) of a sector of a circle is

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Calculation:

\begin{array}{rcl}A& = &3.14\times 11^{2}\times\dfrac{49}{360}\\\\ & = &3.14 \times 121 \times 0.1361\\ & = & \mathbf{51.71}\\\end{array}\\\text{The area of the sector is }\boxed{\textbf{51.71 cm}^{2}}

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3 years ago
What is 86.8954776543 rounded to the nearest millionth/ show work
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<span>86.8954776543 rounded to the nearest millionth is 86.895478


The order after the decimal point goes like this:

tenths, hundredths, thousandths, ten thousandths, hundred thousandths, millionth</span>
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