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Brut [27]
3 years ago
5

Please help me I’ve been stuck I’ll mark you as brainliest if you answer and give 5 stars

Mathematics
2 answers:
Rudiy273 years ago
6 0
X + 20 + x + 40 + 2x + 2x = 360 degrees. This is because all exterior angles add up to 360. You then simplify and you have 6x+60=360 and then subtract 60 from both sides so you get 6x=300. Divide by 6 on both sides giving you x= 50.
zalisa [80]3 years ago
3 0

Answer:

the sum of exterior angles of a polygon is 360°

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Are the two lines parallel, perpendicular, or neither?
RideAnS [48]

Graph 1 neither

Graph 2 neither

Graph 3 perpendicular

Graph 4 parallel

5 0
3 years ago
10 points!!! What is sqr root 12x^8/ sqr root 3x^2 in simplest form
marta [7]

Answer:

2 x^3

Step-by-step explanation:

sqrt(12 x^8)/ sqrt(3x^2)

combine into 1 term

sqrt(12x^8/3x^2)

when dividing exponents with the same base, we subtract

sqrt(12/3  x^(8-2))

sqrt(4 x^6)

sqrt(4)  sqrt(x^6)

2 x^3

8 0
3 years ago
Read 2 more answers
Which of the lines below has an undefined slope? A B 6 с LO D 5 O A. Line A O B. Line B O C. Line C O D. Line D​
Anna71 [15]

Answer:

B. Line B

General Formulas and Concepts:

<u>Algebra I</u>

Undefined slopes are when x equals a certain number.

Slope-Intercept Form: y = mx + b

  • m - slope
  • b - y-intercept

Step-by-step explanation:

From the given choices, B is the correct answer.

A has a slope of 0, so <em>m</em> = 0 and would become a horizontal line.

C has a negative slope, so it is not undefined.

D has a positive slope, so it is not undefined.

B shows a vertical line, and so it has an undefined slope.

8 0
2 years ago
I'm trying to find 1, 2, &amp; 3 but idk how? Sry if it's sideways I'm new ​
Vedmedyk [2.9K]

Answer:

Step-by-step explanation:

m∠1+∠2=180

2x+40+2y+40=180

2x+2y=180-80

2x+2y=100

x+y=50

x=50-y

m∠1=m∠3

2x+40=x+2y

2x-x=2y-40

x=2y-40

2y-40=50-y

2y+y=50+40

3y=90

y=30

x=50-y=50-30=20

m∠1=2x+40=2×20+40=80°

m∠2=2y+40=2×30+40=60+40=100°

m∠3=x+2y=20+2×30=80°

6 0
3 years ago
Lexy and Lonnel applied to the same university. They looked up the average SAT score of students admitted to that university. Le
Tomtit [17]

9514 1404 393

Answer:

  (a)  ❘-270 - 30❘

Step-by-step explanation:

One score is -270 and the other is +30. The difference is either of ...

  |30 -(-270)|

or

  |-270 -30| . . . . . . matches choice A

4 0
2 years ago
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