A car traveled 100 miles in 10 minutes, what was the car's average speed ?

Mathematics

2 answers:

Karo-lina-s [1.5K]2 years ago

8 0

Answer:

600 mph.

Step-by-step explanation:

its correct I think

SCORPION-xisa [38]2 years ago

5 0

Answer:

10 miles per 1 minute

Step-by-step explanation:

100 miles / 10 minutes

100/10

10/1

10 miles / 1 minute

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Select the values of r, below, that represent a low or no correlation. (There is more than one answer!)

Anon25 [30]

Ok I have the answers! Anything, whether positive or negative, with the value above .5 has a high correlation. Therefor the answers would be
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C-no correlation
D-low correlation
G- no correlation

I know that's too late for you but hope it helps with any other students struggling!

5 0

2 years ago

Tell whether the ordered pair is a solution of the given system. (-2,-4) {y=1/2x -3, y=-2x-8}

kompoz [17]

Answer:

The ordered pair $(-2,\, -4)$ is indeed a solution to the system:

$\left\lbrace\begin{aligned} & y = \frac{1}{2}\, x - 3 \\ & y = -2\, x - 8\end{aligned}\right.$ .

Step-by-step explanation:

Consider a system of equations about variables $x$ and $y$ . An ordered pair $(x_{0},\, y_{0})$ (where $x_{0}$ and $y_{0}$ are constant) is a solution to that system if and only if all equations in that system hold after substituting in $x = x_{0}$ and $y = y_{0}$ .

For the system in this question, $(-2,\, -4)$ would be a solution only if both equations in the system hold after replacing all $x$ in equations of the system with $(-2)$ and all $y$ with $(-4)$ .

The $\texttt{LHS}$ of the equation $y = (1/2)\, x - 3$ would become $(-4)$ . The $\texttt{RHS}$ of that equation would become $(1/2) \, (-2) - 3$ . The two sides are indeed equal.

Similarly, the $\texttt{LHS}$ of the equation $y = -2\, x - 8$ would become $(-4)$ . The $\texttt{RHS}$ of that equation would become $(-2)\, (-2) - 8$ . The two sides are indeed equal.

Thus, $x = (-2)$ and $y = (-4)$ simultaneously satisfy both equations of the given system. Therefore, the ordered pair $(-2,\, -4)$ would indeed be a solution to that system.