Answer:
They should refinish 96 tables using method 1
They should refinish 82 tables using method 2
Step-by-step explanation:
Let
a = number of tables refinished using method 1
b = number of tables refinished using method 2
Time equation
a+2b=260 (1)
Cost equation
6a+5b=986 (2)
a+2b=260 (1)
6a+5b=986 (2)
Multiply (1) by 5 and (2) by 2
5a+10b=1,300 (3)
12a+10b=1,972 (4)
Subtract (3) from (4)
7a=672
Divide both sides by 7
a=96
Recall,
a+2b=260
96+2b=260
2b=260-96
2b=164
Divide both sides by 2
b=164/2
=82
They should refinish 96 tables using method 1
They should refinish 82 tables using method 2
<span>3x + 4y = 10
4y = -3x + 10
y = -3/4x + 5/2
or
</span>f(x) = -3/4x + 5/2
answer: <span>C) f(x) = - 3/4 x + 5/2 </span>
The answer is D. Uts D b\c the bottom line is 5 but it's a negative. Then you see how much far is the sides dividing by two.
Interior angle: 108
exterior:72
