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Elanso [62]
3 years ago
14

It takes has a 20 minutes to walk to school . it takes Andre 80% as long to walk to school how long dose it take Andre to walk t

o school
Mathematics
1 answer:
Blizzard [7]3 years ago
7 0
You have to find 80% of 20.
Since 80% is equal to 0.8, you multiply 20 by 0.8 to get 16
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Find a formula for the product P of the solutions of the quadratic equation ax²+bx+c=0 .
Ede4ka [16]

Answer:

product of the roots= c/a

Step-by-step explanation:

The the two roots(α and β) of the quadratic equation ax²+bx+c=0  as given by shridharacharya formula are

\alpha= \frac{-b+\sqrt{b^2-4ac} }{2a}

\beta= \frac{-b-\sqrt{b^2-4ac} }{2a}

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8 0
3 years ago
Write 1,000,000 as a power of 10 using exponents. A) 102 B) 103 C) 106 D) 107
Vikki [24]

Answer: 10 to the 6th power

Step-by-step explanation: To write 1,000,000 as a power of 10, first notice that 1,000,000 is a whole number. This means that the exponent of our power of 10 will be positive.

To determine the value of our exponent, first write a decimal point at the end of 1,000,000. So, it would look like this.

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Next, count the number of places we would need to move the decimal point in order to get 1.0.

In this problem, we would need to move the decimal point 8 places in order to get to 1.0.

This means that the value of our exponent on the power of 10 will be 8.

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4 0
3 years ago
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