Write this as -z⁴+3z²=-z²(z²-3). This is a quadratic in z². It could also be called a quadratic quartic.
As a polynomial it is fourth degree.
So
1/x * 3/8 = 5/8
1/x = 5/8 / 3/8
1/x = 5/3
x = 3/5
3/5 as a decimal is 0.6
Answer: 2x^3+4x+4 would be the answer.
Step-by-step explanation: x^2 can only be combines with another variable with the same exponent. Then you just multiply the whole equation by 2. Hope this helps!
Answer:
you should by 18 eggs at the second price.
Step-by-step explanation:
my reason being is that if you buy it for the second price you will get two for the price of one which will be $0.97cents.
Approximating 17.850 litres with a precision to 1/2 (or 0.5) litre, you look at the number 8, and see if it lower or higher than 5. Since it is higher, you round it up, meaning you have 18 litres.