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kirza4 [7]
3 years ago
7

HELP! i’ll mark brainleist!!!!

Mathematics
1 answer:
Westkost [7]3 years ago
4 0
Your answer is A hope this helps
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Solve the equation.<br><br> –18 + 3x = –6<br><br><br> –2<br><br> –8<br><br> –18<br><br> 4
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Its 4 hope this helped

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If Denise and Alex add a 15% tip after the tax is applied, what is the total cost, including tip?
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What’s the cost before the tip? We need to know that before calculating the cost with the tip.
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Evaluate (2 - 3)4(4) - 9 ÷ 3. -7 -2 1 2
insens350 [35]

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your answer is -8

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-16t^2+20t+65 Quadratic Formula
Shalnov [3]

The value of T is

\frac{-5+\sqrt{285} }{8} OR \frac{-5-\sqrt{285} }{8}

Step-by-step explanation:

Assumption: find the values of t

1. Equation is -16t^{2}+20t+65

2. Identify values of a, b and c

  • a = -16
  • b = 20
  • c = 65

3. Write the quadratic formula

t = \frac{-b±\sqrt{b^{2}-4ac } }{2a}

4. Substitute the values of a, b and c in the formula

t = \frac{-b±\sqrt{b^{2}-4ac } }{2a}

t = \frac{-20±\sqrt{20^{2}-4(-16)(65) } }{2(-16}

5. Solve to find the possible values of t

t = \frac{-20±\sqrt{20^{2}-4(-16)(65) } }{2(-16}

  • \frac{-5+\sqrt{285} }{8} OR
  • \frac{-5-\sqrt{285} }{8}

Keywords: Quadratic

Learn more about quadratic at

  • brainly.com/question/4460262
  • brainly.com/question/1357167

#LearnwithBrainly

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3 years ago
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stira [4]
They are the same because the distance formula depends on a right triangle relationship between x and y, where as the right triangle has the same relationship with x being one leg of the right triangle and y the other leg of the right triangle
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3 years ago
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