Answer:
Mean is the same as average so you simply take 4+5+9+2+104+5+9+2+10+6+7+9+8=180 but for it to be average you also have to divide by the number of values used which in this case is 13 so you take 180/13=13.85 if you round to the second decimal place
Step-by-step explanation:
please give brainliest if this helped
Answer:
900 students
Step-by-step explanation:
We have, 85% × x = 765 or, 85/100 × x = 765. Multiplying both sides by 100 and dividing both sides by 85, we have x = 765 × 100/85. So x = 900. If you are using a calculator, simply enter 765×100÷85, which will give you the answer.
Answer:
Step By Step Explanation:
Multiply: 
Multiply: 
Combine: 
- Mordancy
<em>Answer:</em>
<em>X = 9</em>
<em>Step-by-step explanation:</em>
<em>X + 12 = 4X - 15</em>
<em>12 + 15 = 4X - X</em>
<em>3X = 27</em>
<em>X = 27 : 3</em>
<em>X = 9</em>
