Hello!
If Bruce observes that the number of pitches a batter hits varies and is given by the function f(x)=x-11, and the batters get {4, 12, 14, 27, 42}, then Bruce threw {15, 23, 25, 38, 53} pitches. We get this solution set by adding 11 to each element in the set {4, 12, 14, 27, 42}.
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You watched 36.75 sitcom episodes and 21 drama episodes (you might have to round 36.75 to 37 i'm not sure)
Answer:
4
Step-by-step explanation:
The equation would be x * 3 = 12 because we know that Hal's age is 12 and that he's 3 times as old as his nephew. When we solve it we get the answer 4.
Let's call the numbers x and y:
their sum is:
x+y=30
and their difference is x-y=12.
from the first equation: x=30-y
and we insert this into the second equation:
30-y-y=12.
we calculate:
30-2y=12
30-12=2y
18=2y
9=y
so the first number is 9 and the second is 30-9=21.
Answer:
Step-by-step explanation:
13. -2(4)= -8 14. 6(-5)= -30 15. 3(-5)(2)= -30
16. -12(4)= -48 17. -4(2)^2= -64 18. (-5)^2= -25
19. -5(-3)(4)= =60 20. 13(-5)(2)= -130. 21. 3(-3)= -9
Hope this helps!