MATHEMATICS MIDDLE SCHOOL

What is the value of tanΘ in the unit circle below?
What is the value of tanΘ in the unit circle - 1

Answers

Answer 1
Answer: from the picture, we can see the pair, bear in mind that terminal point pair is really the (x,y) pair or namely the (cosine, sine) pair, so we know what the cosine and sine are.

\bf tan(\theta )=\cfrac{\stackrel{sine}{\quad (1)/(2)\quad }}{\stackrel{cosine}{(√(3))/(2)}}\implies \cfrac{1}{2}\cdot \cfrac{2}{√(3)}\implies \cfrac{1}{√(3)}\implies \stackrel{\textit{rationalizing the denominator}}{\cfrac{1}{√(3)}\cdot \cfrac{√(3)}{√(3)}\implies \cfrac{√(3)}{3}}
Answer 2
Answer:

Answer:

B) sqrt 3/3 (I don't know how to add the square root or fraction symbols)

Step-by-step explanation:

Did the quiz

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Alex wants to paint one side of his skateboard ramp with glow-in-the-dark paint, but he needs to know how much area he is painting. Calculate the area of the isosceles trapezoid.Isosceles trapezoid with top base 16 feet, bottom base of 24 feet, and height of 10 feet.A. 140 ft2 B. 160 ft2C. 180 ft2D. 200 ft2
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a cylinder has a base radius of 2 inches and a height of 9 inches . what is it volume in cubic in to the nearest tenth place.

Answers

Answer:

volume is about 113.1 in^3

Step-by-step explanation:

V=(pi)(r^2)(h)

V=(pi)(2^2)(9)

V=(pi)(4)(9)

V=(pi)(36)

V= about 113.1 in^3

Find the inverse f(x)= 3x-5/2

Answers

I hope it helps you get it right

Jim has a box in the shape of a rectangular prism. The area of the base of the box is 48 square inches. The volume of the box is 144 cubic inches. let h= the height of Jim's box. Write and solve an equation you can use to find the height of Jim's box.

Answers

Volume = v, height = h, area of the base= B
v=h•b
144=h•48
h=144/48
h=3 inches

What is the value of X if 5X + 25(34-x)= 510

Answers

Answer:

- 17

Step-by-step explanation:

hello :

5x  + 25(34-x)= 510

divid by 5 :   x +5(34-x)=102

x+ 170 -5x = 102

-4x =102-170

-4x = 68

x = 68/- 4 = - 17

When You are Doing mean, median, and mode can you have a zero for the median?

Answers


Sure, but one or more of the numbers would have to be negative.
In that case, even the mean could be zero.

Look at these numbers.
What's the mean ?

           1,  2,  6,  4,  7,  -20

Simplify this expression. Explain step-by-step the process.

-12÷3•(-8+(-4)²–6)+2

Answers

well so you have to go with pemdas. p parenthesis, e exponets,m multipication, d division, a add, s subtract. let start with the parenthesis which is 8 plus negative four to the secondpower minus 6. so negative 4 to the second power is equal to positive sixteen because negative time negative is equal to positive. so 8 plus sixteen is 24-6 is 18. negative 12 divided by 3 is negative 4.so negative 4 time 18 is negative 72 plus 2 is negative 70.the answer is negative 70
Using PEMDAS to answer this, the steps are:
Parenthesis first, so (-8+(-4)^2-6)= 2 
You now have -12/3 (2)+2 
Next is multiplication, so 3(2)= 6
Now you have -12/6 +2
Next is division, so -12/6= -2
Now you have -2+2
Add them together to get the answer of 0
Hope this helped!
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