Answer:
Let n be the number of questions you got right. Then
30-n equals the number of questions you got wrong.
So:
A) 20n-10(30-n)=180
30n-300=180
30n=480
n=16
30-n=14
B)You got <u>16</u> questions right and <u>14</u> questions wrong.
Answer: first option
Step-by-step explanation:
Let's make the following conversion:
40 inches to feet (Knowing that 1 feet=12 inches):

The formula for calculate the are of a rectangle is:

Where l is the lenght and w is the width.
Therefore, when you substitute values, you obtain the following result:

Answer: H0: p1 ≤ p2, Ha: p1 > p2
Step-by-step explanation:
According to the information obtained, we can say that the hypothesis that determines that the percentages of support votes are different between the two incumbent candidates is as follows
H0: p1 ≤ p2, Ha: p1> p2
where the null hypothesis represents the difference between proportions
1. B
2. A
3. A
All of theses are true
Step-by-step explanation:
