Hello!
Answer ⇒ It is constant
X-values from 2 and on are in a straight line. That means it is the same.
When it increases, the line is going up. When it decreases, the line is going down. When it stays the same, forming a straight line, it is constant.
Therefore, you answer is A.
Explanation: I would substitute 2 into x which would be y = 2(2) + 3. I would then multiply 2 and 2 which would give me 4 and then add 3 which I get 7. This means that (2,5) is not a solution to the equation.
Answer:
The shortest side will be 198.82 cm (1.98 m) long
Step-by-step explanation:
This problem can be solved using proportions.
First we have that:
Shortest side in scale drawing = 4 cm
Longest side in scale drawing = 34 cm
Shortest side in actual piece = x cm
Longest side in actual piece = 16.9 m, but we know that 1 meter = 100 cm, therefore 16.9 meters would be 16.9 x 100 = 1690 cms.
Now we write down the proportion and solve for x
Therefore, the shortest side of piece will be 198.82 cm. (or 1.98 meters long)
37% get less than 8 hours of sleep, 100%-37%=63%
63% get 8 hours or more per night:
(0.63)(2200)=1386
ANSWER: You would expect 1386 to get 8 or more hours of sleep per night.
Speed of boat in still water ---- x km/h
speed of current ------ y km/h
distance with the current = 4(x+y)
distance against the current = 5(x-y)
we know that 3.5(x+y) = 70
x+y = 20
but 4(x+y) = 4(20) = 80
then 5(x-y) = 80
x-y = 16
x+y=20
x-y=16
add them
2x = 36
x = 18 , then y = 2
