sqrt(2x+1) when x=11
sqrt(2*11+1)
sqrt(22+1)
sqrt(23)
4.79583
to the nearest tenth
4.8
sqrt(4x+1) + sqrt(2x) when x=8
sqrt(4*8+1) + sqrt(2*8)
sqrt(32+1) + sqrt(16)
sqrt(33) + 4
5.7446 +4
9.7446
rounding to the nearest tenth
9.7
Answer:
Blake's total number of cards now: 1.25b
Step-by-step explanation:
Total number of cards now would be equal to 25% increase from b.
<em>This means we INCREASE b by 25% OF b.</em>
<em />
What is 25% of b???

Now we need to ADD this to original amount, b.
So, 
Rational bc anything that can be change into a fraction or decimal its rational and it doesnt matter on the negative