Answer:
A = 14 mm²
Step-by-step explanation:
The area (A) of a triangle is calculated as
A = bh ( b is the base and h the height )
Here b = 14 and h = 2 , then
A = × 14 × 2 = 7 × 2 = 14 mm²
What number + (−56)=12 How do I do this?
2 answers:
Answer:
Missing number = 68
Step-by-step explanation:
You can simply set up an equation like so: .
Then, proceed to solve by isolating the x by itself.
x+(-56)=12
+56 +56 <--- Do the opposite operation on both sides to cancel the 56.
x=68
A quick pointer: A number plus a negative number is just subtracting so you can just work backwards.
Answer: 68.
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