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3 years ago

Help please ASAP

Mathematics

1 answer:

Pani-rosa [81]3 years ago

5 0

Answer:

Step-by-step explanation:

i did the math

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8.<br> Find the arc length of a central angle of 7pi/3 in a circle whose radius is<br> 3inches

pashok25 [27]

$\textit{arc's length}\\\\ s = r\theta ~~ \begin{cases} r=radius\\ \theta =\stackrel{radians}{angle}\\[-0.5em] \hrulefill\\ \theta =\frac{7\pi }{3}\\ r=3 \end{cases}\implies s=(3)(\frac{7\pi }{3})\implies s=7\pi \implies s\approx 21.99~in$

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2 years ago

The formula A=12(b+c)h. Write the equation in term of c?

Lisa [10]

Answer:

$c = \frac{A}{12h} - b$

Step-by-step explanation:

Okay, so the goal is to isolate c on one side with all the other terms on the other side. So, let's start by dividing both sides with 12h. After we do that, we will be left with $\frac{A}{12h} = b+c$ . Now, we can subtract both sides by b, and we will be left with $\frac{A}{12h} - b = c$ . Yay! We've now isolated c and that is our final answer!

Hope this helped! :)

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4 years ago

Helppp meeeee pleaseeeee

Irina18 [472]

Answer:

1.) 4

2.) -11

3.) -4

4. 19

Step-by-step explanation:

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3 years ago

What is the equation of the line that passes through the points (-3,5) (6,8)

Ratling [72]

$(\stackrel{x_1}{-3}~,~\stackrel{y_1}{5})\qquad (\stackrel{x_2}{6}~,~\stackrel{y_2}{8}) \\\\\\ \stackrel{slope}{m}\implies \cfrac{\stackrel{rise} {\stackrel{y_2}{8}-\stackrel{y1}{5}}}{\underset{run} {\underset{x_2}{6}-\underset{x_1}{(-3)}}}\implies \cfrac{3}{6+3}\implies \cfrac{3}{9}\implies \cfrac{1}{3}$

$\begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{5}=\stackrel{m}{\cfrac{1}{3}}(x-\stackrel{x_1}{(-3)}) \\\\\\ y-5=\cfrac{1}{3}(x+3)\implies y-5=\cfrac{1}{3}x+1\implies y=\cfrac{1}{3}x+6$

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2 years ago

Summer campers John and Ryan are trying to earn their archery merit badges.

lana66690 [7]

Answer:

John win the merit badge

Step-by-step explanation:

3 0

3 years ago

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