Choose the polynomial that is written in standard form.
1 answer:
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The formula for area of a sector is...
A = θ
NOTE θ is converted from degree to radian
θ = 167 ×
θ =
so...
A =
A = (1/2)(316.84)(2.9146)
A = 158.42 * 2.9146
A = 461.7
Hope this helped!
So, the problem is asking for one of the equations to be rewritten. Lets rewrite the second one. The way to create a system of equations that will cancel is to create a situation where the a or b of both equations add to 0. In this case, we can multiply the second equation by 3 to turn the 3y into 9y.
Our new system is and
. We can now add these together.
Adding each part straight down, we get the equation:
We now have an equation with a single variable, which also tells us that x is equal to 27.
Extra: To find the value of y after this, we merely need to plug in the value of x to one of the equations and solve for y.