Answer:
Step-by-step explanation:
Given
Volume of box
Suppose base square has a length
and vertical walls has length of
volume
Cost of bottom material per square meter
Cost of side material per square meter
Total cost
1. 70
2. 22
3. 54.5
4. 38.5
5. 65.5
I think 300 kelvins is greater
4-7x=5
+7x +7x
4= 12x
/12 /12
x= 4/12
x= 1/3
Step-by-step explanation:
The sequence above is an arithmetic sequence
For an nth term in an arithmetic sequence
A(n) = a + ( n - 1)d
where a is the first term
n is the number of terms
d is the common difference
From the question
a = - 1
To find the common difference subtract the previous term from the next term
We have
d = 4 --1 = 4 + 1 = 5 or 9 - 4 = 5
Therefore d = 5
Substitute the values into the general formula
That's
To find A(50) substitute the value of n that's 50 into the formula above
Hope this helps you