Answer:
The expression is -80x+24
Step-by-step explanation:
distribute the -8
Answer:
7/10
Step-by-step explanation:
hope this helps
Answer:
5
Step-by-step explanation:
<h3>Given</h3>
<u>In and AP</u>
<h3>Solution</h3>
<u>Formula for the terms of AP:</u>
<u>The difference of terms:</u>
- a + 3d - (a - d) = 13 - 3
- 2d = 10
- d = 5
Answer:
9x-14
Step-by-step explanation:
7 times 2 is 14, and 5x plus 4x is 9x so it is 9x-14
Answer: 

Step-by-step explanation:
- A null hypothesis is a hypothesis where a researcher generally try to disprove, it says that there is no statistically significant relationship between the two variables .
- An alternative hypothesis says that there is a statistical significance between two variables.
Claim 1. : Mean age of online dating service users is 40 years.
i.e.
, since it has equals sign so we take this as null hypothesis.
Claim 2. : Mean age of online dating service users is not 40 years.
⇒ Null Hypothesis : 
Alternative hypothesis : 