Maggie's mom made some sugar cookies for her family and some to give away to friends. If she kept 14 cookies and gave away 33, which equation could be used to find the total number of cookies, C, Maggie's mom made?

c = 14 + 33

c = 47

Step-by-step explanation:

Maggie's mom made some sugar cookies for two sole reasons :  for her family and some to give away to friends.

The total number of cookies made would be the sum of cookies she made for her family and the one she gave away.

c = 14 + 33

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the solution of the equation is 2.23 ⇒ answer b

step-by-step explanation:

* lets revise the meaning of exponential function

- the form of the exponential function is y = ab^x, where a ≠ 0, b > 0 ,  

  b ≠ 1, and x is any real number

- it has a constant base b

- it has a variable exponent x

- to solve an exponential equation, take the log or ln of both sides,  

  and solve for the variable

* lets solve the problem

∵

- the base is 7 and the exponent is x

- insert ㏑ in both sides

∴

- use the rule

∴ x ㏑(7) = ㏑(77)

- to find x divide both sides by ㏑(7)

∴

* the solution of the equation is 2.23 to the nearest 2 decimal places