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Viktor [21]
2 years ago
14

Please need help quick, trigonometry

Mathematics
1 answer:
Mademuasel [1]2 years ago
7 0

Answer: C: 5

Step-by-step explanation:

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Solve the equation for the indicated variable S=2πrh+2πr²<br> Solve for h
valina [46]

Answer:

Good luck :)

Step-by-step explanation:

S=2πrh+2πr ²

subtract 2πr ² from each side

S -2πr ² = 2πrh

divide by 2πr from each side

(S -2πr ² )/ 2πr  = h

4 0
3 years ago
Solve 5x^2-2=-12 by taking the square root
k0ka [10]

Answer:

x = ±i√2

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  

Equality Properties

Multiplication Property of Equality

Division Property of Equality

Addition Property of Equality

Subtraction Property of Equality<u> </u>

<u>Algebra II</u>

Imaginary root <em>i</em>

  • <em>i</em> = √-1

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

5x² - 2 = -12

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. [Addition Property of Equality] Add 2 on both sides:                                    5x² = -10
  2. [Division Property of Equality] Divide 5 on both sides:                                 x² = -2
  3. [Equality Property] Square root both sides:                                                    x = ±√-2
  4. Rewrite:                                                                                                             x = ±√-1 · √2
  5. Simplify:                                                                                                             x = ±i√2
7 0
3 years ago
Help. I’ll give more points and brainiest
AveGali [126]

Answer:

18

Step-by-step explanation:

13.5 / 3 = 4.5

so 4 x 4.5 = 16 + 2 = 18

4 0
3 years ago
Read 2 more answers
A pole is 65 feet tall. A support wire is attached to the top of the pole and secured to the ground 33 feet from the base of the
Leni [432]

Answer:

Therefore the Answer would be (D) 73

Step-by-step explanation:

Let A = 65 feet and B = 33 feet.

Let C represent teh length of the hypotenuse, the length of the wire.

We use the Pythagroem Therom to find C.

(Hope this Helped  :)

                                 

                           

 

                               

6 0
3 years ago
Help me please algebra 2 question..
zavuch27 [327]
Bottom right corner of the screen
4 0
3 years ago
Read 2 more answers
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