I am pretty sure it is 100 becayse it looks luke it is doubling the number.
3x+x=180
x=45 is the right answer
Answer:
Percent error = 6.25%
Step-by-step explanation:
Percentage error can be defined as a measure of the extent to which an experimental value differs from the theoretical value.
Mathematically, it is given by this expression;
<u>Given the following data;</u>
Experimental value = 4.5cm
Theoretical value = 4.8cm
<em>Substituting into the equation, we have;</em>
Percent error = 6.25%
Answer:
12 inches
Step-by-step explanation:
A=1/2bh
30=1/2b5
(30*2)/5=b
B=12