3-(s+4)
less than- subtract
sum- addition
since it said 3 less than the sum of a number and 4 that means you would have to add s and 4
Answer:
A = f(1), which is the first term of the sequence, so there's no need for a formula to find A. When finding B, we can use the formula f(n) = f(n − 1) + B. n =
Step-by-step explanation:
is this it ?
8 x 7 x 6 x 5 x4 x3 = 20,160 ways
Answer:
Step-by-step explanation:
Let the length b y
Width = 2x - 3
Perimeter = 18x + 4
And
Perimeter = 2(l + w)
18x + 4 = 2(y + 2x - 3)
Dividing through by 2
9x + 2 = y + 2x - 3
Making y as subject
y = 9x - 2x + 2 + 3
y = 7x + 5
The missing side is 7x + 5
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