What is the coefficient of the variable in the expression 4-3x
2 answers:
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Answer:
x = 4
Step-by-step explanation:
The vertex is on the line of symmetry. The zeros are located equidistant from the line of symmetry, which is ...
x = (2 + 6)/2 = 4
The x-coordinate of the vertex is x=4.
Answer:
<em>680</em>
Step-by-step explanation:
Given that:
All the pupils at a primary school come from one of three villages: Elmswell, Haughley or Woolpit.
of the pupils come from Elmswell
of the pupils come from Haughley
102 pupils come from Woolpit.
To find:
Total number of pupils in the school.
Solution:
Let total number of pupils =
So, number of pupils that come from Elmswell = of 100x
OR
And, number of pupils that come from Haughley= of 100x
OR
Number of pupils that come from Woolpit =
As per given statement:
Number of pupils from Elmswell = 25x = 25 6.8 = 170
Number of pupils from Haughley = 60x = 60 6.8 = 408
Total number of pupils at the school =
Answer:
,
,
,
Step-by-step explanation:
1880:
The predicted value is:
The residual value is:
1920:
The predicted value is:
The residual value is: