Answer:
144 169 225
Step-by-step explanation:
12² = 144
13² = 169
15² = 225
Answer:
Step-by-step explanation:
<u>The goal of the question</u>
Find the value of 2abcosC
<u>Given information</u>
a = 4
b = 3
c = 2
<u>Given formula (Law of Cosine)</u>
<u>Substitute values into the formula (Leave 2abcosC as it is)</u>
<u>Simplify the exponents</u>
<u>Simplify by addition</u>
<u>Add 2abcosC on both sides</u>
<u>Subtract 4 on both sides</u>
Hope this helps!! :)
Please let me know if you have any questions
<h2>
Answer:</h2>
20.
<h2>
Step-by-step explanation:</h2>
If 60% of the fish are red, then 40% are blue.
This means that the difference is 20%. As the difference between red and blue fish is given to you as 10, you know that 20% of the total is 10.
This means that 100% is 10 * 5, or 50 fish.
Because 40% of them are blue, 40% of 50 is 20, so there are 20 blue fish.
It’s 28, 16 add 4 is 20 add 8 is 28
Answer:
x = 9
Step-by-step explanation:
Well to find x we need to use the commutative property which is the moving of numbers and variables to either side of the equation,
|2x - 19| = 4x + 1
-2x to both sides
|-19| = 2x + 1
Absolute value of -19 is 19
19 = 2x + 1
-1 to both sides
18 = 2x
Divide 2 to both sides
x = 9
<em>Thus,</em>
<em>x is 9.</em>
<em />
<em>Hope this helps :)</em>