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liubo4ka [24]
3 years ago
15

What is the factored form of this expression?

Mathematics
1 answer:
Nataly [62]3 years ago
4 0

Answer: A

Step-by-step explanation:

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Pamela drove her car 99 kilometers on 9 liters of fuel.
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Step-by-step explanation:

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Write the quadratic equation whose roots are 4 and 5, and whose leading coefficient is 4.
Umnica [9.8K]

Answer:

<u>Answer</u><u>:</u><u> </u><u>4</u><u>x</u><u>²</u><u> </u><u>-</u><u> </u><u>9</u><u>x</u><u> </u><u>+</u><u> </u><u>2</u><u>0</u><u> </u>

Step-by-step explanation:

• General quadratic equation:

{ \rm{ {x}^{2}  - (sum \: of \: roots)x + (product \: of \: roots) }}

• sum of roots → 4 + 5 = 9

• product of roots → 4 × 5 = 20

• substitute:

{ \boxed{ \rm{4 {x}^{2}  - 9x + 20 }}}

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80 is what percent of 160
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80% is 128 of the number 160 For example: 128/160 = 80%

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Read 2 more answers
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