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kicyunya [14]
3 years ago
9

Use the reference angles to find the exact value of the expression cot -11 pi/6. Do not use a calculator

Mathematics
1 answer:
laiz [17]3 years ago
7 0

Answer:

\sqrt{3}

Step-by-step explanation:

cot(-11pi/6)=cot(-pi-5pi/6)= -cot(5pi/6)=cot(pi/6)=\sqrt{3}≈1.73

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Answer:

9

Step-by-step explanation:

Substitute w = 3 into the expression

6w - 9

= 6(3) - 9

= 18 - 9

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For what value of x is sin x = cos 19°, where 0°&lt; x &lt; 90°? 38°
Digiron [165]
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When the function ƒ(x) = 4x−2 is evaluated for x = 3, the output is:<br> -4<br> -6<br> -16<br> -none
Mkey [24]

Answer:

None

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right<u> </u>

<u>Algebra I</u>

  • Terms/Coefficients

Step-by-step explanation:

<u>Step 1: Define</u>

f(x) = 4x - 2

x = 3

<u>Step 2: Evaluate</u>

  1. Substitute in <em>x</em> [Function]:                                                                                f(3) = 4(3) - 2
  2. Multiply:                                                                                                             f(3) = 12 - 2
  3. Subtract:                                                                                                            f(3) = 10
7 0
2 years ago
The perimeter of the shape is 84 feet. What is the area?
Marta_Voda [28]
84 in is the area inches
4 0
3 years ago
8. Kim has a fever. Her temperature is 100.5 degrees Fahrenheit. Norr
Wewaii [24]

Answer:

1.9 degrees above the normal temperture

Step-by-step explanation:

Normal temperture: 98.6 degrees Fahrenheit

100.5 - 98.6 =  1.9  

4 0
3 years ago
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