Answer:
1. 10m
2. 18 ft
Step-by-step explanation:
These are just ratios. They are both essentially doubling
Move over 2 decimal places
This would be 38.4%
For quite some time now, calculators have had statistical functions built in. Here we need to use the stat. function normalcdf, which has only two inputs when we're working with z scores instead of raw scores.
Here,
normalcdf(-100,1.25) = 0.894
This same result could be obtained using a table of z-scores.
Answer:
5 tulips.
Step-by-step explanation:
Given:
The expression for the cost of the tulips is 
Where,
is the number of tulips.
Now, Joanna has
.
So, number of tulips that can be bought with the above amount can be obtained by substituting
for cost. This gives,
.
As the number of tulips cannot be in decimals or fractions, so the maximum number of tulips that can be bought will be 5.