The solution to given quadratic equation is x = -0.3851 or x = 10.3851
<em><u>Solution:</u></em>
Given equation is:

To find: solve by quadratic equation formula

Using the above formula,

<u><em>Substituting the values of a = -4 ; b = 40 ; c = 16 in above quadratic formula we get,</em></u>

Thus the solution to given quadratic equation is x = - 0.3851 or x = 10.3851
Answer:
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Step-by-step explanation:
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It is the third one out of all 4
Great Job! they are all correct. :)
Good luck in your next tests.
Answer:
1120 cm^3
Step-by-step explanation:
Volume of the ice cube = B * h
B = 20 cm^2
h = 4 cm
Volume = 20 * 4 = 80 cm^3
This volume is for one cube holder in the tray.
There are 7 * 2 such holders
There are 14 holders
Total volume of the holders =
14 * 80 =
1120 cubic cm