Answer:
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Step-by-step explanation:
please
Answer:
5 milliliter per second
55 seconds
Step-by-step explanation:
first question:
275 - 210 = 65 ml
65 ml : 13 seconds = 5 ml per second
second question:
275 ml : 5 ml = 55 seconds
Answer: x = 0, y = 7
-x+y=7
add x to both sides
y=x+7
plug this in for y in the other equation
6x-(x+7)=-7
simplify
6x-x-7=-7
simplify
5x-7=-7
add 7 to both sides
5x=0
divide both sides by 5
x=0
plug in to one of the equations to find y
-(0)+y=7
y=7
Therefore, x=0 and y=7.
Hope this helps!
Answer:
Step-by-step explanation:
Given: 
Let's changed that mixed number to an improper fraction. Now we get:
Let's find out least common denominator. This one is easy, the LCD is 8. Now that we know the LCD, let's convert both our fractions:
We can use 
because it is equal to 
. Now, all we need to do is subtract the numerators:
Answer:
y=18 when x=15
Step-by-step explanation:
