The square root of 144= 12. 12 is an integer, integers are always rational since they can be written into a fraction.
Subtract the expression on the right of the equal sign. Collect terms. (Write the exponent properly.)
.. x² -9x +20 = 0
Answer:
0,11
Step-by-step explanation:
y^2-11y=0
y(y-11)=0 we have transformed the equation into a product
a product can be zero only if one of the factors is 0
so the two solutions are
y=0
and y-11=0 y=11
You can draw 15 lines and 7 lines as inches and add them all together.
15+7=22
Answer: 5
Step-by-step explanation: