![\Large\textsc{Answer\::}](https://tex.z-dn.net/?f=%5CLarge%5Ctextsc%7BAnswer%5C%3A%3A%7D)
4
![\Large\textsc{Calculations :}](https://tex.z-dn.net/?f=%5CLarge%5Ctextsc%7BCalculations%20%3A%7D)
2² simplified means 2 times 2 (2 times itself) so
2² = 4
2×2=4
2²=4
Now , it doesn't make any difference with a number like 2 .
Suppose we had 3 :
3² = 9
3² is not the same as 3 ×2 , and here's the reason for that :
3²=3×3=9
3 × 2 = 6
![\footnotesize\textsf{hope helpful ~}](https://tex.z-dn.net/?f=%5Cfootnotesize%5Ctextsf%7Bhope%20helpful%20~%7D)
Answer: the median is 30 and the mean is 26.4
Step-by-step explanation: to find the median you order it from least to greater and find the middle number. For the mean add all numbers and divide from how many numbers are there , so you would divide by 5.
Answer:
598 books
Step-by-step explanation:
Let x be the number of books in the 3rd pile. We will have then:
1st pile: 2x + 10
2nd pile: 2x
3rd pile: x
3000 = (2x + 10) + (2x) + (x)
3000 = 5x + 10
3000 - 10 = 5x
2990 = 5x
2990/5 = x
x = 598 books in the third pile!
We can check that:
3000 = 2*598 + 10 + 2*598 + 598
3000 = 1196 + 10 + 1196 + 598
3000 = 3000 CHECK!
Answer:
There are 19 students if there are 20 people in the class.
Step-by-step explanation:
Let's solve your inequality step-by-step.
−x−3<13+3x
Step 1: Simplify both sides of the inequality.
−x−3<3x+13
Step 2: Subtract 3x from both sides.
−x−3−3x<3x+13−3x
−4x−3<13
Step 3: Add 3 to both sides.
−4x−3+3<13+3
−4x<16
Step 4: Divide both sides by -4.
−4x
−4
<
16
−4
x>−4