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Ira Lisetskai [31]
3 years ago
15

Write the equation in standard form. Show Work!

Mathematics
1 answer:
Serhud [2]3 years ago
6 0

Answer:

1. 2x^2-15x+17=0

2. 2.4x^2-3.5x-2.2=0

3. -4.2x^2+6.8x-2=0

Step-by-step explanation:

Standard form is written as ax^2+bx+c=0. To write each equation in standard from:

  • Distribute into any parenthesis
  • Move terms across the equal sign with inverse operations
  • Combine any like terms

1.

2(x-3)^2=3x+1\\\\2(x^2-6x+9)=3x+1\\\\2x^2-12x+18=3x+1\\\\2x^2-15x+17=0

2.

2.4x^2-3.5x=2.2\\\\2.4x^2-3.5x-2.2=0

3.

6.8x - 2 = 4.2x^2\\\\-4.2x^2+6.8x-2=0

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Step-by-step explanation:

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2 years ago
Solve for the indicated variable in each scientific formula. c=wtc/1000 for w
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6 0
3 years ago
You cut off half of a strip of paper. then you cut half of the piece was left. then you cut half of the remaining piece.
lianna [129]

Answer:

The fraction of the original strip left is \frac{1}{8}.

Step-by-step explanation:

We have that,

A strip of paper is cut in \frac{1}{2}. So, the strip of paper left is \frac{1}{2}.

Now, again the remaining part is cut in half. The part left will be  \frac{1/2}{2} i.e.  \frac{1}{4}.

Finally, the remaining part is again cut in half.

We get, the final part of the paper remaining is  \frac{1/4}{2} i.e.  \frac{1}{8}.

So, the fraction of the original strip left is \frac{1}{8}.

6 0
3 years ago
Jordan earned $200 this month delivering newspapers. His mom said he must put 20% into his savings account. He wants to buy head
Dennis_Churaev [7]

Answer:

Yes, his calculation is reasonable. He will have about $16.67 left.

Step-by-step explanation:

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