Answer:
a = 20 and b = 21
Step-by-step explanation:
Given:
2a-3b = -23
a and b are consecutive
Find:
a and b
Computation:
a = b - 1
So,
2a-3b = -23
2(b-1)-3b = -23
2b - 2 - 3b = -23
-b = -21
b = 21
So
a = b - 1
a = 21-1
a = 20
<span>the answer is 4.14285714286</span>
Answer:
![d \approx 13.5](https://tex.z-dn.net/?f=d%20%5Capprox%2013.5)
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
<u>Algebra II</u>
- Distance Formula:
![d = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}](https://tex.z-dn.net/?f=d%20%3D%20%5Csqrt%7B%28x_2-x_1%29%5E2%2B%28y_2-y_1%29%5E2%7D)
Step-by-step explanation:
<u>Step 1: Define</u>
Point E (9,0)
Point F (0, -10)
<u>Step 2: Find distance </u><em><u>d</u></em>
Simply plug in the 2 coordinates into the distance formula to find distance <em>d</em>.
- Substitute [DF]:
![d = \sqrt{(0-9)^2+(-10-0)^2}](https://tex.z-dn.net/?f=d%20%3D%20%5Csqrt%7B%280-9%29%5E2%2B%28-10-0%29%5E2%7D)
- Subtract:
![d = \sqrt{(-9)^2+(-10)^2}](https://tex.z-dn.net/?f=d%20%3D%20%5Csqrt%7B%28-9%29%5E2%2B%28-10%29%5E2%7D)
- Exponents:
![d = \sqrt{81+100}](https://tex.z-dn.net/?f=d%20%3D%20%5Csqrt%7B81%2B100%7D)
- Add:
![d = \sqrt{181}](https://tex.z-dn.net/?f=d%20%3D%20%5Csqrt%7B181%7D)
- Evaluate:
![d = 13.4536](https://tex.z-dn.net/?f=d%20%3D%2013.4536)
- Round:
![d \approx 13.5](https://tex.z-dn.net/?f=d%20%5Capprox%2013.5)
Answer:
Starting from the top box 1, 2, 2, 3, 2, 2
Step-by-step explanation:
Answer: the answer is c
Step-by-step explanation:
If not i'm sorry have a good day/night