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Dmitriy789 [7]
3 years ago
6

You are on a roller coaster,your velocity is 13 feet per second, are you moving up or down?

Mathematics
1 answer:
Aleksandr-060686 [28]3 years ago
5 0
Velocity is speed. It doesn't matter what direction.
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Smplify the expression:<br> 5+6i/4+6i
skelet666 [1.2K]
The answer would be 5 + 15i/2.

1. 5 + 3i/2 + 6i

2. 5 + (3/2i + 6i)

3. 5 + 15i/2.
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A pair of designer sneakers was purchased for $100. Since they were purchased, their price has increased by 15%. What is the new
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Step-by-step explanation:

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blondinia [14]
0.329 is a rational number because the decimal stops. If it had continued on and on with no particular pattern, it would have been irrational. It can be a fraction too (329/1000)...

127.5 is a rational number because again the decimal ends. It can also be converted into a fraction which is another sign that it is rational (127 1/2)...

-89 is a rational number because negatives are rational numbers. It is also in the category of an integer, which means that is a rational number also...

The last one is a non-perfect square, which means no number squared could ever give you 101. When you solve for it, it is also a non-terminating decimal.
8 0
2 years ago
((Please help asap! Giving brainliest))
Ludmilka [50]

Answer:

b. y = −0.5x + 5.5

Step-by-step explanation:

Well first we need to find the slope of line CD.

To do that we'll use the following formula,

\frac{y^2-y^1}{x^2-x^1}

We'll use the points (1,1) and (3,5)

So y2 is 5 y1 is 1 so 5-1 = 4

3-1 = 2

<u>Slope = 2x</u>

If the slope of line CD is 2x we can cross out choices C and D.

Two lines that are perpendicular to each other have reciprocal slopes,

meaning is the slope of line CD is 2 then its perpendicular lines slope should be -.5.

If the perpendicular line goes through point (-1,6), the y intercept would be, 5.5.

Look at the image below ↓

<em>Thus,</em>

<em>the answer is option b. y = −0.5x + 5.5.</em>

<em>Hope this helps :)</em>

8 0
3 years ago
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