Write each points position as an ordered pair, like (1,2). A: B: C: D:

Mathematics

2 answers:

Charra [1.4K]2 years ago

6 0

Where is all the physics stuff

schepotkina [342]2 years ago

4 0

Answer:

A: (-7, 4)

B: (-6, -4)

C: (0, -3)

D: (2, 0)

Step-by-step explanation:

The first number in an ordered pair is the x point, so which number the point aligns with on the horizontal line.

The second number in an ordered pair is the y point, so which number the point aligns with on the vertical line.

If you look at point B you can see that it is directly below the -6 on the horizontal line and directly left of the -4 on the vertical line.

This means that point B is at (-6, 4)

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A machine covers 5/8 square foot in 1/4 hour

VLD [36.1K]

The question is incomplete. Here is the complete question:

A machine covers 5/8 square foot in 1/4 hour. what is the unit rate?

Answer:

2.5 square feet per hour

Step-by-step explanation:

Given:

Area covered by a machine = $frac{5}{8}\ ft^2$

Time taken to cover the given area = $\frac{1}{4}\ h$

Now, unit rate of the first quantity with respect to second quantity is the magnitude of the first quantity being when the second quantity is one unit.

Here, the first quantity is the area covered and the second quantity is the time taken.

So, unit rate is the area covered by the machine in 1 hour.

In order to find that, we use the unitary method and divide the area by the total time taken. Therefore,

$Unit\ rate=\frac{Total\ area\ covered}{Total\ time\ taken}\\\\Unit\ rate=(\frac{5}{8}\ ft^2)\div (\frac{1}{4}\ h)\\\\Unit\ rate=\frac{5}{8}\times \frac{4}{1}\ ft^2/h\\\\Unit\ rate=\frac{20}{8}=2.5\ ft^2/h$