What are the values of x in the following equations showing work:-
i. x squared +25 = 100
ii. x/15 -65 = 100
iii. x cubed +73 = 100
Answers:-
i. x = square root of 75
ii. x = 2475
iii. x = 3
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This is an open response...
you get to define what "challenging" is to you.
It could be
x + y + z = 100
Start with the equation:x = 100 Then, do different transformations, doing the same thing to both sides of the equation - you might add the same number to both sides, then multiply by some number, then add again; or at some point you might square both sides, or apply exponential, logarithmic, trigonometric, and inverse trigonometric functions. You can make it as challenging as you want, this way.
It is difficult to answer this question because something that one person might find challenging could be easy to another.
what does three three fourths equal? what does three three fourths equal?
A Triangle has THREE sides. ; not necessarily equal . However, triangles are then sub-divided into ;- EQUILATERAL ; All three sides are the same length , and all three angles are 60 degrees. ISOSCELES ; Two sides are of equal length and two angles are of equal size. RIGHT-ANGLED ; All three sides can be of different length , or it can be an Isosceles triangles. However, there MUST be ONE RIGHT Angle (90 degrees). SCALENE ; All three sides are of different length , and all three angles are of different size.
True. To solve a three variable system of equations you can use a combination of the elimination and substitution methods.