Answer:
-2a + 3
Step-by-step explanation:
We can substitute a + 7 for x:
f(a + 7) = 17 - 2(a+7) = 17 - 2a - 14 = -2a + 3
Answer:
Step-by-step explanation:
P = 2(l +w)
Let width be x
Length = x + 13
P = 38
38 = 2(x + 13 + x)
38 = 2(2x + 13)
38 = 2x + 26
2x = 38 - 26
2x = 12
x = 12/2
x = 6unit
Width = 6units
Length = x + 13 = 6+13 = 19units
Answer: The length of the rectangular fence is:
476m^2
The answer to this question is 120 cm . you multiply 10 times 12 and u get 120.
Step-by-step explanation:
2x =15+5
2x =20
Divide by 2
X=10
