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Leokris [45]
3 years ago
7

21 = -3c + 7 -5c -2i need help with this multi step equation question​

Mathematics
2 answers:
JulijaS [17]3 years ago
6 0
<h3>Answer:</h3>

<u>On solving equation, we get</u>

  • - 3c + 7 - 5c - 2 = 21
  • - 8c + 5 = 21
  • - 8c = 21 - 5
  • - 8c = 16
  • c = - 16/8
  • c = - 2.

<u>Hence, the value of c for given equation is - 2</u>.

belka [17]3 years ago
5 0

Answer:

c=-2

Step-by-step explanation:

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Thw statement that's true for the function g is g(-13) = 20.

<h3>How to illustrate the information?</h3>

From the information given, the function, g, has a domain of -20 ≤ x ≤ 5 and a range of -5 ≤ g(x) ≤ 45.

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{ \boxed{\boxed{\begin{array}{cc} \maltese  \bf \: given \\  \\  \rm \: f(x) = ( {x}^{2}  + 16)( {x}^{2} - 9) \\  \\  \bf \: for \: zeroes \\  \\ \pink{ \boxed{\boxed{\begin{array}{c | c}   \bf \:  {x}^{2} + 16 = 0 & \bf \: {x}^{2}  - 9 = 0 \\  \\  =  >  {x}^{2}  =  - 16& {x}^{2}  = 9 \\  \\  =  > x =  \pm \sqrt{ - 16} &x =  \pm \:  \sqrt{9}  \\  \\  =  > x =  \pm \sqrt{ {i}^{2}  {4}^{2} } &x =  \pm \:  \sqrt{ {3}^{2} } \\  \\  =  > x =  \pm \: 4i&x =  \pm3  \end{array}}}}   \\  \\  \rm \: x =  \pm3 \: and \pm \: 4i\end{array}}}}

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