What is the solution to this system of equations? 4x + 5y = 7 3x – 2y = –12 The solution is .
2 answers:
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Answer:
3).
4).
If it was by 10, k = 3 by 10
k = 30
5).
Length (L): 2w + 3
width (w): w
border (b):
Area (A) = (L + b) * (w + b) <em>NOTE: This is assuming the width also has a border</em>
= (2w + 3 + ) * (w +
)
=
=
=
Let sum of 3 numbers be x.
Average of 3 numbers and 8 =
25 =
100 = x +8
x= 92.
The sum of 3 numbers is 92.
Average of 3 numbers and 8 =
25 =
100 = x +8
x= 92.
The sum of 3 numbers is 92.