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lana [24]
3 years ago
14

Find the missing angle. Round your answer to the nearest degree.

Mathematics
1 answer:
Lubov Fominskaja [6]3 years ago
8 0

Step-by-step explanation:

\tan( x )  =  \frac{13}{18}  \\ x = arctan (\frac{13}{18} ) \\ x =  {79}^{o}

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Two angles form a
Alex777 [14]

Answer:

45° and 135°

Step-by-step explanation:

A linear pair of angles sum to 180°

let one angle be x , then the other is 3x ( 3 times the other ), thus

x + 3x = 180

4x = 180 ( divide both sides by 4 )

x = 45

Thus the 2 angles are

x = 45° and 3x = 3 × 45° = 135°

5 0
3 years ago
Malik borrowed $1,800 from the bank at a rate of 8% simple interest per year.Over the course of three years ,how much interest d
sergij07 [2.7K]
I’m gonna say c? Good luck!
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NikAS [45]

i cant understand the question

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3 years ago
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The drama club is selling tickets for a play. The profit, y, is
Goshia [24]

Answer:

80 tickets

Step-by-step explanation:

Given the profit, y, modeled by the equation, y = x^2 – 40x – 3,200, where x is the number of tickets sold, we are to find the total number of  tickets, x, that need to be sold for the drama club to break  even. To do that we will simply substitute y = 0 into the given the equation and calculate the value of x;

y = x^2 – 40x – 3,200,

0 = x^2 – 40x – 3,200,

x^2 – 40x – 3,200 = 0

x^2 – 80x  + 40x – 3,200 = 0

x(x-80)+40(x-80) = 0

(x+40)(x-80) = 0

x = -40 and x = 80

x cannot be negative

Hence the total number of  tickets, x, that need to be sold for the drama club to break  even is 80 tickets

8 0
3 years ago
A Ferris wheel at the local fair has a diameter of 36 feet and a midline of 15 feet. This Ferris wheel makes one revolution ever
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