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o-na [289]
4 years ago
10

Type the integer that makes the following addition sentence true: -3 + = -11

Mathematics
2 answers:
Alexxandr [17]4 years ago
6 0
It'd be clearer if you'd type   <span>-3 + (     ) = -11.    Adding 3 to both sides, 

(     ) = -11 + 3 = -8

Check:  Is -3 - 8 = -11?  YES</span>
konstantin123 [22]4 years ago
3 0
An integer that would work is 14 so -3 + 14 = -11
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Candice and Joe went to Sawcon, the concert tickets for the concert Sawcon was 50 dollars each person. Plus tax they add 2.5 dol
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Airida [17]
51 mL = 51L*0.001, because there are 1000mL in a Liter, so this would equal <em>0.051L</em>, and that is your answer, if you want to know about the top one, if it is 14-3.6, that would equal 11.4. If it is 1.14-3.6, it is -2.46.
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6 0
3 years ago
What is the roots of f(x)=-x^2-6x-14
Nutka1998 [239]

Answer:

x=-3\pm i \sqrt{5}

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Order of Operations: BPEMDAS
  • Equality Properties

<u>Algebra I</u>

  • Standard Form: ax² + bx + c = 0
  • Quadratic Formula: x=\frac{-b\pm\sqrt{b^2-4ac} }{2a}

<u>Algebra II</u>

  • Imaginary roots: √-1 = i

Step-by-step explanation:

<u>Step 1: Define function</u>

f(x) = -x² - 6x - 14

<u>Step 2: Set up</u>

  1. Set equation equal to 0:                    -x² - 6x - 14 = 0
  2. Factor out -1:                                       -(x² + 6x + 14) = 0
  3. Divide both sides by -1:                      x² + 6x + 14 = 0

<u>Step 3: Define variables</u>

a = 1

b = 6

c = 14

<u>Step 4: Find roots</u>

  1. Substitute:                              x=\frac{-6\pm\sqrt{6^2-4(1)(14)} }{2(1)}
  2. Exponents:                             x=\frac{-6\pm\sqrt{36-4(1)(14)} }{2(1)}
  3. Multiply:                                  x=\frac{-6\pm\sqrt{36-56} }{2}
  4. Subtract:                                 x=\frac{-6\pm\sqrt{-20} }{2}
  5. Factor:                                    x=\frac{-6\pm\sqrt{-1} \sqrt{20} }{2}
  6. Simplify:                                  x=\frac{-6\pm2i \sqrt{5} }{2}
  7. Factor:                                    x=\frac{2(-3\pm i \sqrt{5} )}{2}
  8. Divide:                                    x=-3\pm i \sqrt{5}
8 0
3 years ago
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