40, because 6×4=24 and 10×4=40
Answer:
x = -1 + 5y
Step-by-step explanation:
If you writing this equation in terms of x then the answer is correct, however, if there is a value for y, then you just need to sub it into y.
For example,
Find x when y = 3
x = -1 + 5(3)
= -1 + 15
= 14
Answer:
x=9, x=-9
Step-by-step explanation:
subtract 3 from both sides
x^2=81
then squareroot both sides (remember that there is a positive and negative solution!)
x=9, x=-9
Answer:
Pattern A starts at 0 and uses the rule Add 2
Pattern B starts at 0 and uses the rule Add 3.
hope this helps
Answer:
4 weeks per level
Step-by-step explanation:
notice the pint (1,4)
the next is (2, 8)
meaning that in 4 weeks she completes 1 level and in 8 weeks she completes 2 levels.