2 answers:
Answer:
r = 1
Step-by-step explanation:
Isolate the variable (r) by dividing each side by factors that don't contain the variable (r)
Hope this helps!! Please make me Brainliest!
-30-6r=36
We move all terms to the left:
-30-6r-(36)=0
We add all the numbers together, and all the variables
-6r-66=0
We move all terms containing r to the left, all other terms to the right
-6r=66
r=66/-6
r=-11
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(17*3) --- to find the total points of the 3 quizzes
17*3=51
the third quiz grade=51-14-19=18
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4- 7x = 23- 5
4 - 7x = 18
-4 = -4
-7x = 14
/-7 = /-7
X = -2
3x = -6
The answer to this is 11xy because 3x+2y is 5xy and you have to add 6 more which is equal to 11xy
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f(x)=x²-x+1
f(-2a)=(-2a)²-(-2a)+1
=4a²+2a+1
Answer:
hopes this help
Step-by-step explanation:
C