The speed at which Mario can walk is given in the question and it is 3.9 miles/hour. Also we get to know from the question that Mario walked for 0.72 hours. The question requires the answer to the distance for which Mario walked.
Now
Mario in 1 hour can cover a distance of 3.9 miles
The n
The distance covered by Mario in 0.72 hours = (3.9 * 0.72) miles
= 2.808 miles
Then the distance covered by mario in o.72 hours is 2.808 miles.
You use y=mx+b and you get y=6x-33
Answer: its b
Step-by-step explanation:
Answer:
1 , 29/11
Step-by-step explanation:
3x+y = 10 ....(1)
2x² +y² = 19 ....(2)
3x+y= 10
y = 10-3x
substituting the value of y in 2nd equation
2x² + y² = 19
2x² + (10-3x)² = 19
2x² + 100 + 9x² - 60x -19 = 0
11x² - 60x +81 = 0
11x² - 33x - 27x + 81 = 0
11x( x-3) - 27(x-3) = 0
(x-3)(11x-27) = 0
x = 3, 27/11
substituting x value on first equation
x= 3 x= 27/11
y= 10-3(3) y= 10 - 81/11
= 10-9 = (110-81)/11
= 1 = 29/11
Hope it helps...
Answer:
Speed = 1050 meters per seconds
Distance =10500 meters
Step-by-step explanation:
Car traveling at a speed of 63 kilometers per hour
Let us convert this into meter per second
Speed = 
kilometers per hour
Speed = 
--------(A)
1 kilometer = 1000 meters
1 hours = 3600 seconds
Replacing them in (A)
Speed = 
Speed = 
meters per seconds
Speed = 
meters per seconds
Speed = 1050 meters per seconds
Distance = speed x time
Speed = 1050 mt per sec
time = 10 sec
Distance = 1050 x 10 = 10500 meters
