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timofeeve [1]
3 years ago
5

9. Evaluate the following expre -6 +9 x 4+ (-2) x 10

Mathematics
2 answers:
Nata [24]3 years ago
6 0
I used bedmas and got 10
Ghella [55]3 years ago
3 0
-6+(9x4)+(-2x10)
-6+(36+-20)
-6+16
= 10
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mrs_skeptik [129]

Answer:

B. \displaystyle \frac{-1}{2}ln|cos2x| + C

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>Calculus</u>

Antiderivatives - Integrals

Integral Constant C

U-Substitution

Integration Property [Multiplied Constant]:                                                           \displaystyle \int {cf(x)} \, dx = c \int {f(x)} \, dx

Trig Integration:                                                                                                       \displaystyle \int {tan(u)} \, du = -ln|cosu| + C

Step-by-step explanation:

<u>Step 1: Define</u>

<u />\displaystyle \int {tan(2x)} \, dx<u />

<u />

<u>Step 2: Identify Variables</u>

<em>Set variables for u-substitution.</em>

u = 2x

du = 2dx

<u>Step 3: Integrate</u>

  1. [Integral] Rewrite [Integration Property - Multiplied Constant]:                   \displaystyle \frac{1}{2}\int {2tan(2x)} \, dx
  2. [Integral] U-Substitution:                                                                                \displaystyle \frac{1}{2}\int {tanu} \, du
  3. [Integral] Trig Integration:                                                                              \displaystyle \frac{1}{2}(-ln|cosu|) + C
  4. [Integral] Back-Substitute:                                                                              \displaystyle \frac{-1}{2}ln|cos2x| + C

Topic: AP Calculus AB/BC (Calculus I/II)

Unit: Integration

Book: College Calculus 10e

7 0
3 years ago
50 POINTS PLZ HELP ME!!!!!
vaieri [72.5K]

Answer:

The overall answer is 65%

7 0
3 years ago
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