Answer:
the answer to this is 2
Step-by-step explanation:
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Answer:
x=1.816298 or x=−1.162524
Step-by-step explanation:
Step 1: Multiply both sides by x^2.
x2=x4−3x3+8x2−16
x2−(x4−3x3+8x2−16)=x4−3x3+8x2−16−(x4−3x3+8x2−16)(Subtract x^4-3x^3+8x^2-16 from both sides)
−x4+3x3−7x2+16=0
(Use quartic formula)
x=−1.162524,1.816298
Check answers. (Plug them in to make sure they work.)
x=1.816298(Works in original equation)
x=−1.162524(Works in original equation)
The mean is 61.
Mean basically means "average." First you add up all terms, then you divide that sum by the number of terms you added together. 336 is the total when all numbers are added together and 6 is the number of terms that we had to add.
31 + 55 + 68 + 70 + 70 + 72 = 366
366/6 = 61
Answer:
x = -2
Step-by-step explanation:
hello :
the system is : 3x-5y=10 ...(*)
-x+3y=-6...(**)
multiply (**) by : 3 you have : -3x+9y = -18 ...(***)
add (*) and (***) : 4y= -8 so: x = -2
A regular oval shape, traced by a point moving in a plane so that the sum of its distances from two other points (the foci) is constant, or resulting when a cone is cut by an oblique plane which does not intersect the base.