Three times a number would be 3t
Four more than that would be 3t+4
So the answer is 3t+4
ST= 7.1 here is the work:
Given:
63 tomato plants
81 rhubarb plants
63 / 9 = 7
81 / 9 = 9
ANSWER: The greatest number of rows Li Na can plant is 9 rows with 7 tomato plants and 9 rhubarb plants per row.
I hope this helps!
Answer:
C. 138°
Step-by-step explanation:
< ABC = 1/2 ( ac + de)
90 = 1/2 (ac +42)
multiply each side by 2
2*90 = 2*12/ (ac+42)
180 = ac+42
subtract 42 from each side
180-42 = ac
138 = ac
Answer:
x = -3
x = 7
Step-by-step explanation:
If either term is zero the product is zero
(2x + 6)(x - 7) = 0
2x + 6 = 0
2x = -6
x = -3
x - 7 = 0
x = 7