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djyliett [7]
4 years ago
7

How to tell if a line is parallel or perpendicular by the equation?

Mathematics
2 answers:
Zielflug [23.3K]4 years ago
7 0
You can tell if a line is parallel because the x (0,0) is straight but with perpendicular its going to change is going to shape its self different


bulgar [2K]4 years ago
5 0
It'll be the opposite reciprocal in front of the X like instead of 3 it will be -1/3 so flip it and change the sign
 
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You are renting a beach house for the summer. The cost of renting the beach house plus the one-time security deposit is represen
sveta [45]

Answer:

The security cost is 575

Step-by-step explanation:

Given

y = 151x + 575

x = days

y = cost

Required

Determine the security deposit

From the equation, we understand that

x represent days:

This implies that

151x represent the payment for x days.

<em>So, the security cost is 575</em>

7 0
3 years ago
How do you do congruence and transformations
defon
I love this unit a-lot (super fun)

So Congruent/Congruence is, For example If you have two triangles on a coordinates grid with the same coordinates than that would mean they're congruent. Shortened down would be 

Same shape same coordinates same dimension same size (same everything)

Transformations would be Rotating a shape clockwise(CW)...right) or counterclockwise(CC Left) 

Or Dilation which is making the shape smaller or bigger based on a scale factor.
  
Or reflection

How you would perform Reflection is reflect the shape over either the X-axis 
Or the Y-axis 

How you would perform a Translation would be to literally move the shape right left up or down.

How you would perform a Dilation(scaling) would be to pick a scale factor and either decrease or increase the size of the shape according to the scale factor number 

How you would perform a Rotation would be to pick a point of rotation (P.O.R) and then pick your measure º such as 90º clockwise and rotate accordingly. 


Hope it helps :)






3 0
4 years ago
The minute hand of a clock is 8 inches long. How far does the tip of the minute hand move in 30 minutes? How far does it move in
Brrunno [24]

Answer:

In 30 minutes:

The minute hand moves a distance of 25.13 inches

In 20 minutes:

The minute hand moves a distance of 16.76 inches

Step-by-step explanation:

When 60 minutes are completed, the minute hand of the relog makes a complete revolution. The distance s that the minute hand travels when making a complete revolution is:

s = 2\pi r Where r is the radius of the circumference, and in this case, the radius of the minute hand.

So:

s = 16 \pi

s = 50.27 inches.

In 30 minutes (which is half of 60) the minute hand covers only half a revolution. Then the distance traveled in 30 minutes is \frac{1}{2}(s) = 25.13 inches

In 20 minutes (which is one third of 60) the minute hand only travels a third of a complete revolution. Then the distance traveled in 20 minutes is \frac{1}{3}(s) = 16.76 inches

3 0
3 years ago
5.67<br> is it rational
wolverine [178]

Answer:

Yes

Step-by-step explanation:

It not a continues number like 1.33333... therefore it is rational. If it went on forever it would be concidered irrational.

4 0
3 years ago
Read 2 more answers
Please Help ASAP <br> I’m stuck on this question.
Neko [114]

Answer:

5.5

95.03

Step-by-step explanation:

To find the radius you would divide that diameter by 2.

11÷2 = 5.5

You also find the area of a circle with this formula A = pie radius ^2

So the area would be ~ 95.03

4 0
3 years ago
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