solution is (4, - 7 )
given the equations
y = 2x - 15 → (1)
4x + 3y = - 5 → (2)
substitute y = 2x - 15 into (2)
4x + 3(2x - 15) = - 5
4x + 6x - 45 = - 5
10x - 45 = - 5 ( add 45 to both sides )
10x = 40 ( divide both sides by 10 )
x = 4
substitute x = 4 into (1) for corresponding value of y
y = (2 × 4 ) - 15 = 8 - 15 = - 7
solution is (4, - 7 )
I believe it 9/20
hope that helped!!!
:)
if its not give the multiple answer choice if it has one!<span />
Answer:
A) linear
B) y = x is linear; y = 1/x is non-linear
Step-by-step explanation:
A) The points lie on the same straight line, so the function is linear.
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B) Any function that has x to a power other than 1 will be non-linear.
linear function: y = x
nonlinear function: y = x^-1 = 1/x
5% sales tax would be $0.70
Answer:
The mode is the least used of the measures of central tendency
Step-by-step explanation:
