Answer:8.4
Step-by-step explanation:
Ten percent of 14 is 1.4 so add 1.4 4 times or multiple 1.4 by 4 and you get 5.6, then subtract 14 by 5.6 and you get 8.4
Answer: i would think it would be 1/3 or 33%
Answer:
positive
Step-by-step explanation:
X is positive since it is to the right of zero
Y is negative since it is to the left of zero
-xy
- ( +) ( -)
negative times positive times negative
negative times negative
positive
Answer:
2.5%
Step-by-step explanation:
In order to find the interest rate of a thing, you divide the first value by the second. This gives you 0.025, which is roughly 2.5%. 10% and 25% wouldn't make sense, as those are 6 and 15 dollars, so they aren't applicable.
<h2>Population becomes 550 in 27 days</h2>
Step-by-step explanation:
The population of spiders in a lab is modeled by the function , where represents the number of days since population was first counted.
Consider that after days, the population of spiders has grown to 550. We need to find such .
Applying logarithm on both sides,
∴ It takes about 27 days for the population to become 550.