3 years ago

How to do the work.

1 answer:

5 0

U have to subtract the 2 numbers.
The bigger number is 1,787 * 10^9
the smaller is 8,867*10^8

Now convert the bigger to the same power of 10
1,787 * 10^9 = 17,87 * 10^8

17,87 * 10^8 - 8,867*10^8 = 9,003 * 10^8

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$\displaystyle m = \frac{y_2 - y_1}{x_2 - x_1}$

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4 years ago

Pamelas age is two times jiris age the sum of their ages is 33 what is jiris age?

Igoryamba

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Step-by-step explanation:

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3 years ago

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goldfiish [28.3K]

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3 years ago

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If using the method of completing the square to solve the quadratic equation

ArbitrLikvidat [17]

Answer:

x²-5x+(-5/2)²=27+(-5/2)²

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x= ...

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3 years ago

In the form of the matrice, how do you work out the following simultaneous equation?

lapo4ka [179]

$\left[\begin{array}{ccc}1&3&7\\1&1&1\end{array}\right]$
multiply 2nd row by -1 and add to first row
$\left[\begin{array}{ccc}0&2&6\\1&1&1\end{array}\right]$
divide the 1st row by 2
$\left[\begin{array}{ccc}0&1&3\\1&1&1\end{array}\right]$
multiply the first row by -1 and add to 2nd row
$\left[\begin{array}{ccc}0&1&3\\1&0&-2\end{array}\right]$

now we know
y+3=0
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therefor
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4 0

3 years ago