help due in 5 min!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!will mark brainliest if correct!!!!!!!!!!!!
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2 answers:
Answer:
1200
Step-by-step explanation:
18/30 is the ratio of the girls compared to the class
you can simplify it to 3/5.
the equation to solve how many girls are in the school is 3/5= x/2000
cross multiply to get 5x=6000
x=1200
To get the total amount ask the counselor
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the answers are B,D and F
Answer:
Because 0 counts as the first possible number. 0-9 gives you 10 possible numbers.
Step-by-step explanation:
Answer:
third option: log_2 1/3
Step-by-step explanation:
change of base formula:
log_b a= (log_x a)/(log_x b)
(log 1/3)/(log 2)
apply reverse change of base formula
2 from log 2 becomes new base, and 1/3 becomes the other number
=log_2 1/3
(9x^4-13x^3-x-7)+(7x^3-2x+1)=
9x^4-13x^3-x-7+7x^3-2x+1=
9x^4+(-13+7)x^3+(-1-2)x-7+1=
9x^4+(-6)x^3+(-3)x-6=
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Answer: Option <span>D.)9x^4−6x^3−3x−6</span>
Is 21 because volume you add them up
