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2 answers:
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Answer:
Total length of string required for decorative bottles
Step-by-step explanation:
Length of string A =
Length of string B = =
Total length of the string required for decorating one bottle = Summation of string A and String B,used
To find the string needed for bottles we will multiply the strings used for
bottle with
.
So .
The total length of string needed for [tex}17{/tex} bottles is .
Answer:
y=3/2 x + 5
Step-by-step explanation:
<em>Firstly, find m (gradient).</em>
m= (y1-y2)/(x1- x2)
m= 8-(-1)/ 2-(-4)
m= 9/ 6
m= 3/2
<em>Please leave gradient in improper fraction if its value is not a whole number.</em>
<em>Now substitute m into the equation:</em>
y= 3/2 x + c
<em>Then substitute a coordinate to find c:</em>
When y= 8, x= 2,
8= 3/2 (2) + c
8= 3 + c
c= 8 - 3 = 5
Thus, the equation of the line is y= 3/2 x + 5.