The inequality would start out looking like this:
![-30\ \textless \ \frac{5}{9} (F-32)\ \textless \ 130](https://tex.z-dn.net/?f=-30%5C%20%5Ctextless%20%5C%20%20%5Cfrac%7B5%7D%7B9%7D%20%28F-32%29%5C%20%5Ctextless%20%5C%20130)
Now it's just a matter of solving the inequalities simultaneously. Get rid of the fraction by multiplying everything by 9:
![-270\ \textless \ 5(F-32)\ \textless \ 1170](https://tex.z-dn.net/?f=-270%5C%20%5Ctextless%20%5C%205%28F-32%29%5C%20%5Ctextless%20%5C%201170)
Then distribute the 5 into the parenthesis:
![-270\ \textless \ 5F-160\ \textless \ 1170](https://tex.z-dn.net/?f=-270%5C%20%5Ctextless%20%5C%205F-160%5C%20%5Ctextless%20%5C%201170)
Now add 160 everywhere:
![-110\ \textless \ 5F\ \textless \ 1330](https://tex.z-dn.net/?f=-110%5C%20%5Ctextless%20%5C%205F%5C%20%5Ctextless%20%5C%201330)
and finally divide everything by 5:
-22<F<266
Answer:
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Step-by-step explanation:
Answer:
Basically, when a scientific calculator displays a number as aEb, it means to move the decimal point in a as follows:
If b is positive, move the decimal point b units to the right.
If b is negative, move the decimal point b units to the left.
Step-by-step explanation:
The one that makes the most sense is C
We have that
using a graph tool
see the attached figure
the answer is the first option
y<=3x
y>-2x-1