<span>(4x ÷ 2) - 9y
is difference of two terms.</span>
So a²+b²=c²
8²+15²=c²
64+225=c²
289=c²
±17=c
So c=17 or c=-17
Step-by-step explanation:
l dont understand your question
is it 3 and a fifth or 31/5
Answer: 18 hours
Step-by-step explanation:
Amy's dad drove the car at a constant speed and travel 585 miles in 13 hours
, using proportion
. Find out how long would it have taken the family to travel 810 miles
. Let x -----> the time in hours to travel 810 miles! Hope this helps! Good luck!
Saw A = 150 planks/30 seconds = 5 planks per second
Saw B = 130 planks/ 13 seconds = 10 planks per seconds
5 + 10 = 15 planks per second total
225 planks / 15 planks per second = 15 seconds
Answer: 15 seconds