Answer:
2 × n - 1 = x
Step-by-step explanation:
for example:
Answer:
A square field has a perimeter if 3.6km what is the length of one side in metres
Step-by-step explanation:
A square field has a perimeter if 3.6km what is the length of one side in metres
A = 1/2bh
40 = 1/2 x^2
x^2 = 80
x = 8.9
Answer:
409
Step-by-step explanation:
296 = 200 + 90 + 6
The value of the 9 is 90 in 296.
1/10 of 90 is 9. The only number that has a 9 in the units digit is 409.
Answer:-3
-3
Step-by-step explanation:
