Answer:
y=2x+2
Step-by-step explanation:
convert x-2y=7 into slope intercept form
then your new slope is the reciprocal of the original function then substitute
x and y values to find b.
Answer:
She will need approximate of plastic border
Step-by-step explanation:
we know that
The circumference of a circle is equal to
In this problem we have
substitute
----> exact value of the length of plastic border
assume
---> approximate value of the length of plastic border
it says if
ax^2+bx+c=0
a<0
answer is D because, there is (-) near of x^2