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hjlf
3 years ago
10

What is 5pi/6 radians concerted to degrees? if necessary, round your answer to the nearest degree

Mathematics
2 answers:
iris [78.8K]3 years ago
6 0

Answer:

\frac{5\pi }{6}\texttt{ radian =}150\texttt{ degrees}

Step-by-step explanation:

We know

            2π radians = 360 °

               1 radian = =\frac{360}{2\pi }=\frac{180}{\pi }

Here we are asked to convert \frac{5\pi }{6} radiands to degrees.

         \texttt{ 1 radian = }\frac{180}{\pi } \texttt{ degrees}\\\\\frac{5\pi }{6}\texttt{ radian =}\frac{5\pi }{6}\times \frac{180}{\pi } \texttt{ degrees}\\\\\frac{5\pi }{6}\texttt{ radian =}150\texttt{ degrees}

   

babymother [125]3 years ago
3 0
150 degrees. Look up the unit circle for more help on problems like these☺️!!
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What are the roots of the quadratic equation x2+2x=-5
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Answer:

x = -1 +/-2i

Step-by-step explanation:

Write the equation in standard form to find the roots, also known as the solutions, zeros, or x-intercepts, of the quadratic.

x² + 2x + 5 = 0

Use the quadratic formula by substituting a= 1, b = 2 and c = 5.

x = \frac{-2 +/- \sqrt{(-2)^2 - 4(1)(5)} }{2(1)} = \frac{-2 +/-\sqrt{4 -20 } }{2} = \frac{-2 +/-\sqrt{-16 } }{2} = \frac{-2 +/-4i }{2} = -1 +/-2i

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3 years ago
The perimeter of a rectangle is 24 inches. Find the dimensions if it’s length is 3 inches greater than its width?
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Answer:

Length: 9 inches

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2 years ago
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Phyllis invested 50000 dollars, a portion earning a simple interest rate of 5 percent per year and the rest earning a rate of 7
Elodia [21]

Answer:

The amount invested at 5% was $39,000 and the amount invested at 7% was $11,000

Step-by-step explanation:

we know that

The simple interest formula is equal to

I=P(rt)

where

I is the Final Interest Value

P is the Principal amount of money to be invested

r is the rate of interest  

t is Number of Time Periods

Let

x-----> the amount invested at 5%

50,000-x -----> the amount invested at 7%

so

t=1\ year\\ I=\$2,720\\r_1=0.05\\r_2=0.07\\P_1=\$x\\P_2=\$(50,000-x)

substitute in the formula above

2,720=x(0.05*1)+(50,000-x)(0.07*1)

solve for x

2,720=0.05x+3,500-0.07x

0.07x-0.05x=3,500-2,720\\0.02x=780\\x=\$39,000

(50,000-x)=\$11,000

therefore

The amount invested at 5% was $39,000 and the amount invested at 7% was $11,000

5 0
3 years ago
A museum groundskeepers is creating a semicircle statuary garden with a diameter of 30 feet. The fencing cost 9.25 per linear fo
malfutka [58]
It is equal to 277.5 

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3 years ago
Our waitress was fantastic!! Matthew decided
bearhunter [10]

Hey!

-----------------------------------------------

Steps To Solve:

~Turn into decimal

15% = 0.15

~Multiply

25.65 x 0.15 = 3.8475

-----------------------------------------------

Answer:

Matthew will give the waitress $3.8475 for a tip.

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Hope This Helped! Good Luck!

4 0
3 years ago
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