Answer:
1) incorrect
2) incorrect
Step-by-step explanation:
-2x-2x = 0 ?
-2x -2x = -4x
It will be 0 only if x = 0.
Not always true, so incorrect
x+x = x² ?
2x = x²
They will be equal if x = 0 or 2.
Not always true so incorrect
Answer:
22
Step-by-step explanation:
the answer is 22
Answer:
75000
Step-by-step explanation:
We can use ratios to solve. Put the scale length over the real length
1 15
------------ = ----------------
5000 x
Using cross products
1x = 15*5000
x =75000