Answer:
27x - 2
Step-by-step explanation:
First off, we use commutative property to get the like terms together.
(20x + 7x) - (3-5)
Now we can solve the equations inside the parenthesis.
27x - (-2)
Because these aren't like terms, this is as far as we can go. Meaning 27x - 2
is out answer.
Given:
The population of continent of South America in 2010 is 395, 280, 204.
To find:
The closest estimate of this number.
Solution:
We have,

The approximate value of this number is

The scientific form of this value is

Therefore, the correct option is C.
The polar equation is r = 2 + cos(theta).
Given,
A choir is performing in front of an audience. a microphone is placed in front of the choir to capture sound.
The polar equation represents the microphone the choir is using i.e
On edge i.e r = 2 + cos(theta)
Hence, The polar equation is r = 2 + cos(theta).
Learn more about polar equations here brainly.com/question/23575937
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Answer:
x=-1/2
Step-by-step explanation:
-6x+4=7
-6x=7-4
-6x=3
x=3/-6
x=-1/2
B. 42 degrees
Angle ABC is an inscribed angle so u have to divide Arc AC by 2 to find angle ABC.
84degrees divided by 2 is 42 degrees.