Answer:
Alex and 5 pages
Step-by-step explanation:
Sammie 25 pages per hour
Alex 1/2 pages per minute
You do 1/2x60=30 because you can find out how many pages he can read per hour. Which is 30 pages per hour. So Alex can read 30 pages per hour and Sammie can only read 25 pages per hour. To find how many pages he reads faster per hour, you have to take 30 and subtract it by 25 to get 5 extra pages. So Alex reads 5 pages faster per hour. In the end, Alex reads faster than Sammie by 5 more pages per hour.
Hope this helps! Please give brainliest.
Answer:
The probability density function for the average length of life of the two components is 
Step-by-step explanation:
Exponential distribution:
The exponential probability distribution, with mean m, is described by the following probability density:
In which 
is the decay parameter.
Each missile has a length of life governed by the exponential distribution with mean 1 (with measurements in hundreds of hours). Find the probability density function for the average length of life of the two components.
2, each with mean 1 means that 
So the probability density function is:
Answer:
x=3 and y=3
Step-by-step explanation:
−x+8y=21for x:
−x+8y=21
−x+8y+−8y=21+−8y(Add -8y to both sides)
−x=−8y+21
−x
−1
=
−8y+21
−1
(Divide both sides by -1)
x=8y−21
Step: Substitute8y−21forxin−4x+2y=−6:
−4x+2y=−6
−4(8y−21)+2y=−6
−30y+84=−6(Simplify both sides of the equation)
−30y+84+−84=−6+−84(Add -84 to both sides)
−30y=−90
−30y
−30
=
−90
−30
(Divide both sides by -30)
y=3
Step: Substitute3foryinx=8y−21:
x=8y−21
x=(8)(3)−21
x=3(Simplify both sides of the equation)
Answer:
22/25
Step-by-step explanation:
Multiples of 8 betwen 1 - 50 =
8
16
24
32
40
48
there are 6 multiples of 8
Numbers that are not multiples of 8 = 50 - 6 = 44
Probability the operator will choose a unit that is not a multiple of 8 = 44/50
Expressing in simpler terms = 22/25
Answer:
-7w
Step-by-step explanation:
-2w - 5w are like terms because they both have "w"
-2 - 5 = -7
