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Harman [31]
3 years ago
15

A car is traveling at a rate of 100 kilometers per hour. What is the car's rate in miles per hour? How many miles will the car t

ravel in 4 hours? In your computations, assume that 1 mile is equal to 1.6 kilometers. Do not round your answers.
Mathematics
2 answers:
masya89 [10]3 years ago
8 0

Answer:

62mph

Step-by-step explanation:

Simora [160]3 years ago
6 0

Answer: 250 miles

Step-by-step explanation:

100 kph = 62.5 mph

In 4 hours, the car will travel

62.5 x 4 = 250 miles

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kobusy [5.1K]

Answer:

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3 years ago
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3 0
3 years ago
Read 2 more answers
Please help me with this.
OLga [1]

Swapping rows alters the sign of the determinant:

\begin{vmatrix} x & y & z \\ -8 & 2 & -12 \\ u & v & w \end{vmatrix} = - \begin{vmatrix} x & y & z \\ u & v & w \\ -8 & 2 & -12 \end{vmatrix}

Multiplying a single row by a scalar scales the determinant by the same amount:

\begin{vmatrix} x & y & z \\ u & v & w \\ -8 & 2 & -12 \end{vmatrix} = -2 \begin{vmatrix} x & y & z \\ u & v & w \\ 4 & -1 & 6 \end{vmatrix}

Then

\begin{vmatrix} x & y & z \\ -8 & 2 & -12 \\ u & v & w \end{vmatrix} = -(-2) \begin{vmatrix} x & y & z \\ u & v & w \\ 4 & -1 & 6 \end{vmatrix} = 2\times(-6) = \boxed{-12}

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2 years ago
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inna [77]
To find out how old the twins were that were in the recital you need to be able to interpret a stem and leaf plot.  The number of the left gets placed with each number on the right to create a number in the data set.  See the key for an example.  This means there were 2 people that were 5 years old making them the twins!
3 0
3 years ago
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