Answer:
All the possible values of 
lies in the interval 
.
Step-by-step explanation:
As the range of 
is
As the range of 
is
As contains the set of number between 3 to 4, and contains the values of from 4 to 5.
can be obtained by subtracting the values of from .
So,
⇒ 
⇒
Therefore, all the possible values of lies in the interval .
Keywords: number, value, interval
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Answer:
I think it's the bottom left answer
Step-by-step explanation:
x is always first (x, y). If you add the x +3 to all the x values and the y + 1 to all the y values, I have good reason to believe it is the bottom left answer.
Answer:
15 gallons
Step-by-step explanation:
If x is the gallons of 30% butterfat cream, and y is the gallons of 3% butterfat milk, then:
x + y = 45
0.30 x + 0.03 y = 0.12 (45)
Solve the system of equations with substitution or elimination. Using substitution:
0.30 x + 0.03 (45 − x) = 0.12 (45)
0.30 x + 1.35 − 0.03 x = 5.4
0.27 x = 4.05
x = 15
You need 15 gallons of 30% butterfat cream.
Answer:
21.6 liters
Step-by-step explanation:
40 drops make up a volume of 10 mL
Therefore, the volume of 1 drop of water = 10mL/40 = 1/4 mL= 0.25mL
Since the tap loses 1 drop of water in 1 sec, it loses 0.25mL of water in 1 second
60 seconds make up 1 second so volume of water lost in 1 minute = 0.25 x 60 = 15 mL
60 minutes make up 1 hour so volume of water lost in 1 hour = 15 x 60 = 900 mL
24 hours make up a day so volume of water lost in 1 day = 900 x 24 = 21,600 mL
Since 1000 mL make up 1 liter, divide by 1000 to get volume in liters
Volume of water lost in 1 day = 21600/1000 = 21.6 liters
Can be done as one equation
V lost in one day = 0.25 x 3600 x 24 mL = 21600 mL = 21.6 L
Answer:
x = 3/4
Step-by-step explanation:
Simply add 1/4 to both sides of the equation to isolate <em>x</em> and to get your answer.
x = 1/4 + 1/2
x = 1/4 + 2/4
x = 3/4 or 0.75
