To answer this item, we have 4 as the speed of the kayaker in still water and the speed of current be y.
When the karayaker moves upstream or against the current, his speed would be 4 - y. Further, if he moves downstream or with the current, the total speed would be 4 + y. The time utilized for the travel is equal to the ratio of the distance and the speed.
Total time = 9/(4 - y) + 9/(4 + y) = 6
We multiply the equation by (4-y)(4+y)
9(4-y) + 9(4 + y) = 6(4-y)(4+y)
Simplifying,
72 = 96 - 6y²
Transposing all the constants to only one side of the equation and rearranging,
6y² = 96 - 72
y² = 4
y = 2
Hence, the speed of the river's current is 2 miles/hr. <em>The answer is letter B.) 2 miles/hour.</em>
Answer:
< 1 = 112 degrees
< 2 = 68 degrees
Step-by-step explanation:
< 1 = x
< 2 = x - 44
x + x - 44 = 180
2x = 180 + 44
x = 224/2
x = 112
Ok, so increasing a recipe originally for 16 to 24, you need to figure out how many times larger you need the recipe, so divide 24 by 16, and you get 1.5 (one and a half times larger)
You then just need to take each ingredient amount and multiply it by 1.5
2 cans chopped clams x 1.5 = 3 cans
4 cups broth x 1.5 = 6 cups
6 cups milk x 1.5 = 9 cups
4 cups cubed potatoes x 1.5 = 6 cups
Does this make sense?
Answer:
14/3 4 2/3, 4.6
Step-by-step explanation:
Hope this helps!!
Answer:
country = 0.31
rock and roll =0.47
Blues = 0.22
Step-by-step explanation:
country = 11
Rock and roll= 17
blues = 8
Total = 36
the probabilities by dividing the frequencies by the total. ( round to the nearest hundredth.)
11/36 = country
17/36 = rock and roll
8/36 = blues
Divide
country = 0.31
rock and roll =0.47
Blues = 0.22
pls mark brainliest
