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sabrinakholikov
05.01.2021 •
Mathematics
Is (1, 3) a solution to the system of equations listed below? (1 point) y= 6x -3 y = x - 2
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Ответ:
The solution for given system of equation is:
and ordered pair is: ![\mathbf{(\frac{1}{5},\frac{-9}{5})}](/tpl/images/1013/6657/bbce0.png)
So, (1,3) is not solution to the given system of equations.
Step-by-step explanation:
we can solve the system of equations to find the value of x and y and then verify if (1,3) is a solution or not.
The system of equation given is:
Solving:
Let:
Put value of y from equation 2 into equation 1
Now, put value of x in equation 2 to find value of y
So, the solution for given system of equation is:
and ordered pair is: ![\mathbf{(\frac{1}{5},\frac{-9}{5})}](/tpl/images/1013/6657/bbce0.png)
So, (1,3) is not solution to the given system of equations.
Ответ:
41.1
Step-by-step explanation:
To find the value of x, we need to use SOH-CAH-TOA. SOH-CAH-TOA is since, cosine, and tangent. The O, A, H stands for opposite, adjacent, and hypotenuse respectively.
Looking at the figure, we see 47°. The labelled angles are adjacent and the hypotenuse. Therefore, we use CAH or cosine.
When we plug that into a calculator, we get x=41.1.