Answer:
x = 5
Step-by-step explanation:
The sides are in proportion.
The proportion is 20/36
The other sides must be in the same proportion: 5x / 45
5x/45 = 20/36 You can reduce the left side by dividing top and bottom by 5
1x / 9 = 20/36 You can reduce the right side by dividing by 4
x / 9 = 5/9 at this point you should be able to see that x = 5, because the denominators are the same.
That is the answer.
However you can extend this by cross multiplying
9x = 45 Divide by 9
x = 45/9
x = 5
Answer: 2.1
Step-by-step explanation:
3.4 - 2.8d + 2.8d - 1.3
add the variables together and the coefficients or add the d's with d's and 3.4 with 1.3
= 3.4 - 1.3 = 2.1
=2.8d - 2.8d = 0
The final answer would be 2.1
Answer:
q¹²
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
<u>Algebra I</u>
- Exponential Rule [Powering]:
Step-by-step explanation:
<u>Step 1: Define</u>
<em>Identify</em>
(q⁶)²
<u>Step 2: Simplify</u>
- Exponential Rule [Powering]: q⁶⁽²⁾
- [Exponents] Multiply: q¹²
If you are looking to find the value of x then you have to use distributive property.
1st: multiply -3 by 2x and 4 -3(2x+4)
-6x -12
2nd: do the same thing on the other side which is multiply 3 by x and -6
3(x-6)
3x-18
3rd: Then you have -6x-12=3x-18
+12 +12
add 12 to each side so then you have -6x=3x-6
then divide by -6 on each side and the answer is x= 2/3
