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Ivanshal [37]
3 years ago
13

2x-7y=-56 and 7x+2y=8 are they parallel perpendiculare or neither

Mathematics
2 answers:
Contact [7]3 years ago
6 0

Answer:

They are perpendicular

Step-by-step explanation:

2/7 for the first

-7/2 for the second

Archy [21]3 years ago
6 0
They are prepdiculer


Because they are the same lines duh
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Please please help I really need it today please show work
Cerrena [4.2K]

Answer:

<u><em>x=9</em></u>.

<em><u>perimeter=68</u></em>

<em><u>area=168</u></em>

Step-by-step explanation:

First find the side that has a exact number which would be the bottom 28cm then look at the opposite side (2x+10) in order to find x subtract 10 from 28 which gives you 18, now 2x means x multiplied by 2 so what multiplied by 2 = 18? 9 meaning <u><em>x=9</em></u>. Now you are going to want to plug 9 in to your short side (x-3) once you plug it in it should look like this 9-3 and 9-3=6 meaning the short side is 6cm. In order for you to find the perimeter you have to add the sides together so 28+28+6+6 wich <u><em>=68</em></u> and in order for you to find the area you have to  multiply the length and the width so 28x6 which is <em><u>168</u></em>.

hope that helped :)

4 0
2 years ago
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5. A 200 pound person weighs 33 pounds on the moon.
blsea [12.9K]

Answer:

Well the formula for that is,

weight on Earth(in this case 200)/9.81m/s2) * 1.622m/s2 which comes out to 33

6 0
3 years ago
Angle B=? <br> HELP HELP HELP
o-na [289]

Answer:

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8 0
2 years ago
A triangle has legs that are 7in and 24in long. How long is the hypothenuse?
SashulF [63]

Answer: 25 in

Step-by-step explanation:

<u>Due to the use of the term "hypotenuse" I will assume the triangle is a right triangle.</u>

<u></u>

According to pythagorean theorem, 7²+24²=(hypotenuse)²

49+24²= (hypotenuse)²

49+576= (hypotenuse)²

625 = (hypotenuse)²

25 = hypotenuse

Hope it helps <3 :D

6 0
2 years ago
I need help. I have been stuck on this for an hour now.​
topjm [15]

Answer:

The one about the beetles

Step-by-step explanation:

8 0
3 years ago
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