Answer:
-4.5r + 12.3
Step-by-step explanation:
Multiply -4.5(r-2)
-4.5r + 9 + 3.3
Add 9+3.3=12.3
-4.5r + 12.3
Hope this helps plz mark brainliest
Answer:
x = - 130.5
Step-by-step explanation:
2x + 5 + 256
2x = -261
x = - 130.5
Tell me if I am wrong.
Can I get brainliest
Fine the length BC using the cosine law. Google the law and sub it in
Answer:
I got C because A and B are too small for the standard division to be a mean of 80% and the number also cannot be 50% or higher because it could bring the median lower and or higher
Solve this problem by setting up a proportion to model the number of boys to the total number of students than the class:
80/100=20/x
Now, cross multiply:
80x=2000
Then, divide 2000 by 80 to solve for x:
x=25
25 is the total number students in the class.
Hope this help
