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Mrrafil [7]
3 years ago
14

Find x and y and the perimeter

Mathematics
1 answer:
asambeis [7]3 years ago
5 0

2+y+3=13

y=13-5=8

2+x+3=8

x=8-5=3

Perimeter=2(13+8)=42

or Perimeter=13+8+2+2+y+x+3+3=31+x+y=31+3+8=42

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PLEASE HELP!!!! 50 POINTS
Leni [432]

First you need to rewrite the equation in the form y = mx +b:

2y = x-4

Divide all terms by 2:

2y / 2 = x/2 - 4/2

Simplify:

y = 1/2x - 2

The slope of the line is 1/2.

A perpendicular line has a slope of the negative reciprocal, which would be -2.

Now using the point slope method:

y - y1 = m(x-x1)

Using the given point of (8,-4) and m = -2

you get:

y +4 = -2(x-8)

Simplify:

y +4 = -2x +16

Now subtract 4 from both sides to get the final equation:

y = -2x +12

3 0
3 years ago
Describe the main parts of a proof.<br><br> (There's no answer choices)
sertanlavr [38]
The main parts of a proof are the statements and the reasons. The statements are things you want to prove, and the reasons are the justifications for the statements. Some parts of a proof will provide a given statement or a visual with some congruency.

I hope this helps!
~kaikers
4 0
3 years ago
Read 2 more answers
A lot of 9 components contains 3 that are defective. Two components are drawn at random and tested. Let be the event that the fi
kirza4 [7]

Answer:

Probabilty of first component drawn defective= 0.1161

Probability of second component drawn defective= 0.1560

Step-by-step explanation:

Total component = 9

Defective component= 3

Non-defective component= 6

Probability of defective= 3/9

= 0.3333

Probabilty of non defective= 1-0.3333

= 0.6666

Probabilty of first component drawn is defective

= 9C1(0.333)¹(0.6666)^8

= 9(0.3333)(0.0387)

= 0.1161

Probabilty of second component is defective

= 8C1(0.3333)¹(0.6666)^7

= 8(0.3333)(0.0585)

= 0.1560

7 0
3 years ago
Please help!!!<br> Thank you
UNO [17]

Answer:

c

Step-by-step explanation:

5 0
3 years ago
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Can someone please help me on this one?
zubka84 [21]
Alright so x is equal to 20
then 6 times 20= 120 and then 120-28=92
then you add 92+48=140
then 2 times 20=40 and 140+40=180 which is your answer

5 0
3 years ago
Read 2 more answers
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