Step-by-step explanation:
The equation that Kaitlyn solved is as follows :
-5.4+x=12.2
The steps to solve it as follows :
Step 1. Add 5.4 to both sides,
-5.4+x+5.4=12.2+5.4
Step 2. 5.4 will cancel out as both have opposite signs
x=17.6
But Kaitlyn solved it as :
5.4.x=6.8
She has multiplied -5.4 and x which is wrong. The correct answer is 17.6.
Answer:
69.1
Step-by-step explanation:
<em>Mean height of 14 students = 69.0 inches</em>
<em>Mean = sum of data/number of data</em>
<em>69 = sum of data/14</em>
<em>sum of data = 966</em>
<u>FOR NEW MEAN:</u>
<em>Height of additional student = 70.5</em>
Mean = sum of data/ number of data
Mean = 966+70.5/14+1
Mean = 1036.5/15
Mean = 69.1
Therefore, the mean height of the 15 students in the class is 69.1
Answer:
0.002589
hope this helps
have a good day :)
Step-by-step explanation:
Answer:
Option (b)
Step-by-step explanation:
Let the points represented by the given table lie on a line.
And the equation of the line is,
y = mx + b
Where m = slope of the line
b = y-intercept
Let the points lying on the line are (0, -2) and (3, -3)
Slope of the line 'm' = 
m = 
m = 
m = -
y-intercept 'b' = (-2)
Equation of the line is,
y = 
This equation matches with equation given in option (b).
Option (b) will be the answer.
Answer:
57
Step-by-step explanation:
100 - 43 =
57
