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N76 [4]
3 years ago
15

Find all the zeros of the equation. -3x^4+27x^2+1200=0 PLEASE HELP and show work

Mathematics
1 answer:
asambeis [7]3 years ago
8 0

Answer: x=−5 or x=5


Step-by-step explanation:

−3x4+27x2+1200=0

Step 1: Factor left side of equation.

−3(x2+16)(x+5)(x−5)=0

Step 2: Set factors equal to 0.

x2+16=0 or x+5=0 or x−5=0

x=−5 or x=5


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Setler79 [48]

Answer:

<em>Angle C is equal to 30.</em>

Step-by-step explanation:

To find angle C, we have to find all the other angles first. They tells us the B ~= BAD ~= ADC. So, if we find ADC, we've found B and BAD as well. ADC is just 180 - 70 (the angle of ADE), which is 110. So, ADC, BAD, and B are equal to 110.

Remember, angles in a quadrilateral add up to 360. So, add all of the values of angles be have now and subtract from 360:

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Hope this helped!

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3 years ago
What is the answer to this question
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8 0
3 years ago
Solve for I when 3/5 +I-1/15
Ugo [173]

Answer:

23 over 15 or 1.533

Step-by-step explanation:

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