Step-by-step explanation:
0.9(17) -2.7(3) =
15.3-8.1
=7.2
Answer:
d = 7.2
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>
Boat A(3.1, -1)
Boat B(-4.1, -1)
<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{(-4.1-3.1)^2+(-1+1)^2}](https://tex.z-dn.net/?f=d%20%3D%20%5Csqrt%7B%28-4.1-3.1%29%5E2%2B%28-1%2B1%29%5E2%7D)
- Subtract/Add:
![d = \sqrt{(-7.2)^2+(0)^2}](https://tex.z-dn.net/?f=d%20%3D%20%5Csqrt%7B%28-7.2%29%5E2%2B%280%29%5E2%7D)
- Exponents:
![d = \sqrt{51.84}](https://tex.z-dn.net/?f=d%20%3D%20%5Csqrt%7B51.84%7D)
- Evaluate:
![d = 7.2](https://tex.z-dn.net/?f=d%20%3D%207.2)
Answer:
He had 0.8 liters to start with...
Step-by-step explanation:
0.44 is 55% of what? (what = x)
Equation: Y = P% * X
X = Y/P%
X = 0.44/55%
55% = 0.55
X = 0.44/0.55
X = 0.8
Answer:
But, you didn't ask any question.
Step-by-step explanation:
Remember to post your question next time.
A= 360
B= 2(12)²(7)/120= 2016/120=16.8