Point A and B of what? Plz show a number line or graph or table or something.
Answer:
x=34
y=17
Step-by-step explanation:
Let Paula's score be= x
Let Maria's score be=y
<u>Given</u><u>:</u>
x=2y
x+y=51
<u>Substitution</u><u>:</u>
2y+y=51
<u>Formula</u><u>:</u>
2y+y=51
3y=51
y=17
x=2y
x=2(17)
x=34
<u>Proof</u><u>:</u>
x+y=51
34+17=51
51=51
Hope this helps ;) ❤❤❤
Answer:
The value of the test statistic is 
Step-by-step explanation:
The null hypothesis is:

The alternate hypotesis is:

Our test statistic is:

In which X is the sample mean,
is the null hypothesis value,
is the standard deviation and n is the size of the sample.
In this problem:

So



The value of the test statistic is 
Answer:
a/4b = 0.075
Step-by-step explanation:
a = 30% of b
a = 30/100 × b
a = 0.3b
The value of a/4b is calculated as:
= 0.3b/4b
= 0.075
Answer:
The greater than symbols looks like this > , and the less than symbol looks like? <