An example should help you understand
(3 + 2) + (8 +1)
= 9* + 1) + (3 + 2)
= 3 + (2 + 8 + 1)
= 2 + 3 + (1 + 8)
all of these have the same sum.
Answer:
1197 miles.
<h3>Step by step explanation:</h3>
Speed(s) = 63 mph
Time(t) = 19 hours
Distance(d) = ?
We know,
D = S × T
= 63 × 19
= 1197 miles
Answer: 9/8
Step-by-step explanation:
The square root of this is 9/8 because when you square 9/8, you get 81/64, and when you square root it, you get 9/8.
The easiest way tho is knowing that when you square a number and square root the square, you get the same number, cuz the square root cancels the square. Does that make sense?
Anyways hope this helped!
Answer:
C
Step-by-step explanation:
Area of a square = s² ; where s = side length
Area of square = 88 unit²
88 = s²
Square root of both sides
√88 = s
9.38 = s