3 years ago

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Mathematics

1 answer:

Elena L [17]3 years ago

5 0

Answer:

The answer I got for this equation is x=5

I hope this image helps of showing you how to solve the equation.

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What is the value of r? Round your final answer to the nearest whole number.

vaieri [72.5K]

Answer:

r = 13

Step-by-step explanation:

Hypotenuse is the side opposite to 90 degree angle, so hypotenuse is r.

Also, with respect to the angle given, the side "12" is the opposite.

So we have opposite side to angle and we need hypotenuse. Which trigonometric ratio related opposite with hypotenuse? It is SINE.

So we can write:

$Sin(67.4)=\frac{Opposite}{Hypotenuse}=\frac{12}{r}\\rSin(67.4)=12\\r=\frac{12}{Sin(67.4)}\\r=12.99$

Rounded to nearest whole number, r = 13

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3 years ago

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Reil [10]

Answer:

C. -12

Step-by-step explanation:

divide each side by 2/3

2/3x ÷ 2/3 = x

-8 ÷ 2/3 = -12

x = -12

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3 years ago

How do you find pi?

atroni [7]

to calculate pi you can use the Nilakantha Series.

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2 years ago

For every pizza erics family ate, Eric ate 2 of the 8 pizzas, write the ratio of the total number of pieces Eric ate to the tota

andreev551 [17]

Answer:

1:4

Step-by-step explanation:

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2 years ago

7x + 2y = 4

Vinil7 [7]

$7x + 2(x + 1) = 4 \\ 7x + 2x + 2 = 4 \\ 9x + 2 = 4 \\ 9x = 2 \\ x = \frac{2}{9} \\ \\ y = \frac{2}{9} + 1 = \frac{11}{9} \\ ( \frac{2}{9} \: \frac{11}{9} )$

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2 years ago

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