3 years ago

Who is good at math I really need help

Mathematics

1 answer:

const2013 [10]3 years ago

6 0

Me I am very good at math I am a tutor

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How do I solve this?

ozzi

The answer is A) √3
cot(-5π/6)=1/tan(-5π/6)
=1/tan(-(5π/6)
Use the property: tan(-x)=-tan(x)
=1/tan(5π/6)
-(1/tan(5π/6))
tan(5π/6)=-√3/3
-(1/-√3/3)
-(1/-√3/3)
=√3

4 0

2 years ago

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URGENT PLEASE HELP!!!

Naily [24]

15.7 feet
and you are welcome

7 0

3 years ago

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-2 3/4 ÷ -1/7= <br>help

Hitman42 [59]

The answer is 19 $\frac{1}{4}$

First you must set up the equation

$-2\frac{3}{4}$ ÷ $-\frac{1}{7}$

First, you must make the mixed number a improper fraction

$-\frac{11}{4}$ ÷ $-\frac{1}{7}$

Then you must divide

$\frac{77}{4}$

Finally, simplify

19 $\frac{1}{4}$

3 0

3 years ago

PLEASE HELP!!<br> Name the solution to this system of equations:

RoseWind [281]

9514 1404 393

Answer:

(x, y) = (3, -1)

Step-by-step explanation:

The solution to the system of equations is the point where the lines intersect.

(x, y) = (3, -1)

3 0

2 years ago

Find the mean of the data set: 9 4 7 3 10 9

almond37 [142]

To find the mean, add up at the numbers and divide by the number of numbers in the set (6)

9 + 4 + 7 + 3 + 10 + 9 =
9 + 11 + 12 + 10
20 + 22
42

42 / 6 = 7

the mean is 7.

6 0

2 years ago

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