Answer:They will need to make 18 lunches
Step-by-step explanation: How I did it was use the website demos scientific calculator and put the question of what is 60% of 30 and it gave the answer!
Answer:
So the value of the test statistic is -0.85.
Step-by-step explanation:
We know that a sample of 1800 computer chips revealed that 53% of the chips do not fail in the first 1000 hours of their use. The company's promotional literature states that 54% of the chips do not fail in the first 1000 hours of their use.
We get that:

We calculate the standar deviation:

We calculate the value of the test statistic:

So the value of the test statistic is -0.85.
Answer:
Perimeter = 21.58 units
Step-by-step explanation:
Perimeter of a polygon = Sum of measures of all sides of the polygon
Perimeter of the quadrilateral LEAP = PL + AE + EL + LP
= 4.47 + 4.47 + 6.32 + 6.32
= 21.58 units
[If the distances between two point are not given, use the formula to calculate the distance between two points
and 
Distance =
]
Answer:

Step-by-step explanation:
Let the quadratic function be

We substitute
into the equation to obtain;


We substitute
to obtain;


We finally substitute
to obtain;


We put equation (2) into equation (1) to get;





We add equation (4) and (5) to get;



We put
into equation (5) to get;



The reqiured quadratic function is
