Answer:
x=2
Step-by-step explanation:
8x+4=20
Subtract 4 from each side
8x+4-4 = 20-4
8x =16
Divide by 8
8x/8 = 16/8
x=2
Answer:
140 oranges
Step-by-step explanation:
From the Question, we know that the pyramid has 7 layers
The number of oranges in the first layer is = 1
Hence, the number of oranges in a pile is calculated as:
1² + 2² + 3² + 4² + 5² + 6² + 7²
= 1 + 4 + 9 + 16 + 25 + 36 + 49
= 140 oranges
Answer:
Honestly you can just look these up
Step-by-step explanation:
Like for the first one, 53 cups in gallons is 3.3125, round that to 3.31, mixed number fraction would be 3 31/100
7 ( 5x - 6)
35x - 42 is the answer
