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matrenka [14]
3 years ago
9

5. Find the value of x.

Mathematics
1 answer:
goldfiish [28.3K]3 years ago
8 0

Answer:

x = 70

Step-by-step explanation:

Interior angles of a 4 sided shape = 360

80+70 = 150

360-150 = 210

210/3 = 70

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Question 1.:
klasskru [66]

Answer:

-7 is bigger

-9 is bigger

-6 is bigger

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-9,-8,-7,-6,-4

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-8,-2,3,5,8 ?

I guess I didn't understand the question

8 0
3 years ago
What is 20.1246117975 in Radical form
Alexxandr [17]
20.12… squared equals 405

Square root of 405
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/81 x 5
9 / 5

9 Times Square root of 5 :)
8 0
2 years ago
PLEASE HELP ASAP. Determine if the following lines are parallel, perpendicular,Identical,or neither y= 1/3x+4 and 3x+y=5
earnstyle [38]
Neither. When graphing both lines they intersect but are not perpendicular.
6 0
3 years ago
Can someone please solve
pentagon [3]

Answer:

78

Step-by-step explanation:

Evaluate 6 (2 x^2 - 5) where x = -3:

6 (2 x^2 - 5) = 6 (2×(-3)^2 - 5)

Hint: | Evaluate (-3)^2.

(-3)^2 = 9:

6 (2×9 - 5)

Hint: | Multiply 2 and 9 together.

2×9 = 18:

6 (18 - 5)

Hint: | Subtract 5 from 18.

| 1 | 8

- | | 5

| 1 | 3:

6×13

Hint: | Multiply 6 and 13 together.

6×13 = 78:

Answer:  78

7 0
2 years ago
Determine the solution of the equation 4y - 5= 7.<br> A) 4<br> B) 3<br> C)
puteri [66]

Answer:

B) 3

Step-by-step explanation:

add 5 to both sides, 4x=12

divide both sides by 4, x=3

6 0
3 years ago
Read 2 more answers
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