Answer: 5/6
Step-by-step explanation:
All we need do is to try to change 50 minutes to hour.
Remember that 60 minutes make 1 hour , so we need to find 50 minutes out of 1 hour , that is 50 minutes out of 60 minutes. Which is 50/60. Therefore:
50 minutes is 50/60 fraction of an hour
50/ 60 is the same as 5/6 in reduced form
<span>One way to ensure everyone in the population has an equal chance to be in the sample is to use random sampling.</span>
Answer:
What’s the answer
Step-by-step explanation:
?
Answer:
or 0.0000128
Step-by-step explanation:
Add the exponents together
-4+-3=-7
Answer:
v = 25
Step-by-step explanation:
The crucial information you need to know to solve this is to realize that HI and GH are the same length. However, why they are equal is not immediately obvious.
Both sides of the middle line (HF) are symmetrical, since G and I are the same distance away from the line, and they both lie on a line perpendicular to the middle line.
Note: we know they're the same distance away due to the small red marks in the lines, indicating that they're the same length.
The angles at G and I in the triangles are also the same, as the lines from G and I both meet at H. If they were different angles, they would each hit a different point on the middle line.
Thus, we can conclude that GH and HI are the same length.
Since we know the following:
GH = 4v - 75
HI = v
We can set GH and HI equal to each other and solve the equation.
4v - 75 = v
Subtract v from both sides:
3v - 75 = 0
Add 75 to both sides:
3v = 75
Divide both sides by 3:
v = 25
Answer: v = 25
