Answer:
Step-by-step explanation:
The mode is 24 so we know that at least 2 of the 5 numbers are 24.
The mean is 20 so we know that the 5 numbers add up to 100.
The median is 21 so the third number is 21.
100-(24+24+21)= 31
Now, I am pretty certain that the last 2 numbers can be anything as long as they add up to 31 AND they are not also 21 because 24 then would no longer be the mode.
E.g. 24, 24, 21, 11 & 20
Answer:
82
Step-by-step explanation:
33 + (-5) - (-70) - 26
33 - 5 + 70 - 26
- and - = +
- and + = -
+ and - = -
33 -5 = 28
28 + 70 = 108
108 - 26 = 82
Answer:
this question need more details
Step-by-step explanation:
Answer:
a-He answered less than half of the questions because half is 50%
b-45%=45/100=9/20
Step-by-step explanation:
Answer:
3x+8
Step-by-step explanation:
First, we can write the sum into a <em>mathematical expression</em>:
<em>The sum of (x+5) and (2x+3)</em>
<em />
<u>(x+5)+(2x+3)</u>
<u />
<em>However, we do not need the parenthesis. It is unnecesarry here as we are just adding the two parts:</em>
<em />
<u>x+5+2x+3</u>
<u />
Using <em>commutative property</em>, we can rearrange the symbols so that the x's are with each other and the numbers are with each other:
<u>x+2x+5+3</u>
<u />
Now we can <em>simplify</em> the expression:
<u>3x+8</u>
<u />
Hope this helped :)
