Answer:
I think it is -5+root-7/2 & -5-root-7/2
Step-by-step explanation:
You must add all sides together to get the perimeter.
The perimeter is 24
There is a right triangle with the height (4) and half the base (3) as legs and the slant height (x) is the hypotenuse:
4² + 3²= x²
x² = 16+9
x =5 mm
The answer of 18 divided by 783 is 43.5. can try for make sure it like 43.5 x 18 :483
Answer: After 8 hours the pressure will be at -60?
Explanation: not sure how the balloon can reach -60 kilopascals but 15% of 300 is 45 and 45 x 8(hours) is 360. 300 - 360 is -60
