Answer:
x=4
Step-by-step explanation:
x^3-4x^2-16x+64
(x^2-16)(x-4)
x-4=0
+4 +4
x=4
x^2-16=0
+16 +16
x^2=16
√ x^2=√ 16
x=4
Answer:
Step-by-step explanation:
![5\sqrt[3]{x+8}=35\\ \\ \sqrt[3]{x+8}=7\\ \\ x+8=7^3\\ \\ x+8=343](https://tex.z-dn.net/?f=5%5Csqrt%5B3%5D%7Bx%2B8%7D%3D35%5C%5C%20%5C%5C%20%5Csqrt%5B3%5D%7Bx%2B8%7D%3D7%5C%5C%20%5C%5C%20x%2B8%3D7%5E3%5C%5C%20%5C%5C%20x%2B8%3D343)
Answer: 4 times
Step-by-step explanation:
2.50 x 4 = 10
I tried different numbers
1. 20 x 8 = 160 m
2.
January to November = 11 months.
11 flats are painted every year.
100 flats / 11 flats per year = 9 years + 1 month
the next time it will be painted is September 2019.
