Answer:
223=409−z
409=223+z
Step-by-step explanation:
<u>Equation/Question:</u>
2/5 x 2/3 = ?
<u>Answer/Steps to answer:</u>
1. Use this rule: a/b x c/d = ac/bd
2x2/5x3
2. Simplify 2×2 to 4.
4/5x3
3. Simplify 5×3 to 15.
<u>4/15</u>
<u></u>
<u>Done by NeighborhoodDealer</u>
Answer: D
Step by step explanation:
If A to C is 3x+7 then you can plug in the numbers. B to c is 5x-5 so 5x-5-2x+ 12 gives you the total of 3x+7
In 4 seconds, number of beats = 28
In 1 sec., it is = 28/4 = 7
Now, In 30 seconds, it would be: 30 * 7 = 210
In short, Your Answer would be: 210 beats
Hope this helps!