![Zieken993](/avatars/47405.jpg)
Zieken993
31.12.2019 •
Mathematics
6x - 5y < 11
-3x + 2y < -8
is (5, 4) a solution of the system of inequalities shown ahon?
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Ответ:
Yes
Step-by-step explanation:
To determine if (5, 4) is a solution, substitute the x and y values into the left side of the inequalities and compare the result to the right side.
6(5) - 5(4) = 30 - 20 = 10 < 11 ← True
- 3(5) + 2(4) = - 15 + 8 = - 7 < - 8 ← True
Since both inequalities are true then (5, 4) is a solution to the system
Ответ:
1.Same-Side Interior Angles Theorem
2.Transitive property
Step-by-step explanation:
We are given that
GJ is a transversal line cut AB at K and intersect EF at L.
We have to fill the missing justification in given proof of![m\angle AKL=116^{\circ}](/tpl/images/0384/1718/ded48.png)
Statement:![AB\parallel EF](/tpl/images/0384/1718/722d4.png)
Reason: Given
Statement:![m\angle KLF=116^{\circ}](/tpl/images/0384/1718/4d8dd.png)
Reason: Given
Statement:![m\angle KLF+m\angle BKL=180^{\circ}](/tpl/images/0384/1718/c84dc.png)
Reason:Same-Side Interior Angles Theorem
Statement:![m\angle BKL+m\angle AKL=180^{\circ}](/tpl/images/0384/1718/ff61c.png)
Reason: Linear pair
Statement:![m\angle KLF+m\angle BKL=m\angle BKL+m\angle AKL](/tpl/images/0384/1718/a6760.png)
Reason:Transitive property
Statement:![m\angle KLF=m\angle AKL](/tpl/images/0384/1718/cdcc0.png)
Reason:Subtraction property
Statement:![m\angle AKL=m\angle KLF](/tpl/images/0384/1718/548df.png)
Reason: Symmetric property
Statement:![m\angle AKL=116^{\circ}](/tpl/images/0384/1718/ded48.png)
Reason: Substitution property