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3 years ago

Help!!!!!!!!!!!!!!! Please

Mathematics

1 answer:

Nonamiya [84]3 years ago

7 0

Answer:

58.995 round to the nearest whole number is 59 miles per hour

Step-by-step explanation:

1 kilometer/hr = 0.62 miles per hour

Therefore 100 km/hr = 100 × 0.621

= 62 miles per hour

95 km/hr = 95 × 0.621

= 58.995 miles per hour

58.995 round to the nearest whole number is 59 miles per hour

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Multiply row 1 by $\frac{1}{2}$ .

Step-by-step explanation:

The augmented matrix of the system of linear equation is described below:

$\left[\begin{array}{cccc}2&1&-1&-8\\0&2&3&-6\\-\frac{1}{2} &1&1&-4\end{array}\right]$

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$\left[\begin{array}{cccc}1&\frac{1}{2} &-\frac{1}{2} &-4\\0&2&3&-6\\-\frac{1}{2} &1&1&-4\end{array}\right]$

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