Answer:
Step-by-step explanation:
percent increase = ((new number - original number) / (original number)) * 100
= ((910 - 650) / 650) * 100
= (260 / 650) * 100
= 0.4 * 100
= 40% <===== Maki's increase
Answer:
x=2*sqrt(5)
Step-by-step explanation:
Since the triangle is isosceles, the other side of the triangle is sqrt(10) too. By using Pythagoras theorem, we have 10+10=x^2, x=2*sqrt(5).
X⁴-13x²+36
(x²-4)(x²-9)
x²=4. | x²=9
x=√4. |x=√9
x=2. |x=3
27x³-8=0
x³=8/27
x=2/3
...
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