<span>1. Find the sum. -5 + ( -1 ) + 6 + 4
</span> -5 + ( -1 ) + 6 + 4
= -5 -1 + 10
= 4
answer <span>B: 4
</span><span>2. Add -10 + ( -5 ) + 15
</span><span> -10 + ( -5 ) + 15
= -10 - 5 + 15
= -15 + 15
= 0
answer
</span><span>B: 0</span>
Answer:
It's 51 square inches. You can multiply 12x8 and subtract 9x5 from that.
1st day: 1 1/2 hours
2nd day: half of first day = 1/2 * 1 1/2 hours
3rd day: 2 1/2 times as long as first day: 2 1/2 * 1 1/2 hours
1 1/2 + 1/2 * 1 1/2 + 2 1/2 * 1 1/2 =
= 3/2 + 1/2 * 3/2 + 5/2 * 3/2
= 3/2 + 3/4 + 15/4
= 6/4 + 3/4 + 15/4
= 24/4
= 6
Answer: She studied for 6 hours over the 3-day period.
Answer:
28.137 sq. units.
Step-by-step explanation:
Area of a regular hexagon is
where, a is the side length.
It is given that the side length of the regular hexagon is 
.
Substitute 
in the above formula.
Therefore, the area of regular hexagon is 28.137 sq. units.
The answer is 6.
Ignore this I’m just typing for more letters
