This looks like the additive inverse property, because when you add something to its negative counterpart (or its additive inverse), you get 0 as a sum.
Another example would be 2+ (-2) = 0. -2 is the additive inverse for 2.
Answer:
The null hypothesis would say that class size has no effect on students learning.
Step-by-step explanation:
Null hypothesis is a type of hypothesis that is used in statistics which proposes that there is no difference between a certain characteristic of a population or the data - generating process.
Now, in this question,the school district is considering increasing class size in the elementary schools but we want to check whether larger classes may have a negative effect on students learning.
Thus, the null hypothesis would reject this claim of larger classes having negative effect on students and say that class size has no effect on students learning.
The answer is 40.5 all u have to do is 45 x .10 then get 4.5 subtract that with 45
<h2><u>Answer</u> : </h2>
By observing the table we can conclude that for the number of years to travel back double the electricity is required .
i.e. for 5 years = 10 megawatts
therefore, the relationship between x and y can be depicted by the following equation :

Answer:
38x-22
Step-by-step explanation: