Answer:
5.7
Step-by-step explanation:
3x+4 = 21
3x = 17
x = 5.666667 = 5.7
Answer:
70 km
Step-by-step explanation:
2 cm is twice as much as 1 cm. So, the distance between landmarks will be twice as much as 35 km.
The actual distance is 70 km.
Let's turn this sentence into an equation:
8n = -n + 36
Then solve:
9n = 36 => n=4
Answer:
(2x + 3)(x - 7)
Step-by-step explanation:
Answer:
178.3 mm²
Explanation:
The surface area of the regular pyramid is equal to the sum of the base and lateral areas:()
