Answer:
![m=\frac{-23}{3}](https://tex.z-dn.net/?f=m%3D%5Cfrac%7B-23%7D%7B3%7D)
![m=-7.6666666667](https://tex.z-dn.net/?f=m%3D-7.6666666667)
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
<u>Algebra I</u>
- Slope Formula:
![m=\frac{y_2-y_1}{x_2-x_1}](https://tex.z-dn.net/?f=m%3D%5Cfrac%7By_2-y_1%7D%7Bx_2-x_1%7D)
Step-by-step explanation:
<u>Step 1: Define</u>
Point (-1.25, -18.5)
Point (0.25, -30)
<u>Step 2: Find slope </u><em><u>m</u></em>
- Substitute:
![m=\frac{-30+18.5}{0.25+1.25}](https://tex.z-dn.net/?f=m%3D%5Cfrac%7B-30%2B18.5%7D%7B0.25%2B1.25%7D)
- Add:
![m=\frac{-11.5}{1.5}](https://tex.z-dn.net/?f=m%3D%5Cfrac%7B-11.5%7D%7B1.5%7D)
- Divide:
![m=\frac{-23}{3}](https://tex.z-dn.net/?f=m%3D%5Cfrac%7B-23%7D%7B3%7D)
The closed formula for <span>an = an-1 – n will be found using the formula for arithmetic sequence given by:
an=a+d(n-1)
where
a=first term
d=common difference
n=number of terms
From the formula given:
a=4
d=n
thus the formula will be:
an=a+n(n-1)
an=4+n(n-1)
</span>
16/2=8
2+2+2+2+2+2+2+2=16
Pairs are 2. So just count in twos until you get to 16. How many times did you count twos? :)
D is your answer, it equals 9 :)
Answer:
T = 2
Step-by-step explanation:
Take the given formulaer
I = PRT
And plug in the variables you know (I, P, R)
387.50 = 1,550(.125)T
(12.5% becomes .125 after you divide it by 100, because precents are really just fractions out of 100)
387.50 = 193.75T
T = 2