Take arctan(.1) in radian mode. Since .1 is not on the unit circle, you have to use your calculator.
Answer:
He made 40 grams of 20% sugar syrup.
Step-by-step explanation:
Alan threw 8 grams of sugar into 32 grams of water and got 8 + 32 = 40 grams of sugar syrup.
To determine the percent of sugar, note that
40 g - 100%,
8 g - x%,
then

G(x) = 2^x is an exponential function and it increases at a faster rate.
Answer:
5% significance level indicates the level of risk, error or exactness. It guides our conclusion on which hypothesis a data supports
Level of significance defined as the possibility, probability or chances of rejecting a null hypothesis when it's results is valid.
For every statistical hypothesis, the result has propency or likeliness to be exact or not. That is, it has chances of containing a type of error referred to as level of significance.
Now, a 5% significance level implies that, the statistical results or analysis has 95% reliability or confidence level.
In other words, a 5% significance level indicates that a result has 0.05 RISK level.
The level of significance is needed for every hypothetical test because it indicates validity of each hypothesis data. It gives confidence such that one is at peace to know the hypothesis a particular data supports
Answer:
85
Step-by-step explanation:
425 divided by 8= 85