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Dafna1 [17]
3 years ago
13

Suppose you record how long it takes you to get to school over many months and discover that the one-way travel times, in minute

s, are approximately normally distributed with a mean of 13.88 minutes and standard deviation of 4 minutes. you are interested in the probability that it will take you at least 20 minutes to get to school

Mathematics
1 answer:
Lemur [1.5K]3 years ago
4 0
The probability it will take 20 minutes or more is about 6.3%.

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The function C = x - 2y is maximized at the vertex point of the feasible region at (8, 2). What is the maximum value?
lubasha [3.4K]

The required maximum value of the function C = x - 2y  is 4.

Given that,
The function C = x - 2y is maximized at the vertex point of the feasible region at (8, 2). What is the maximum value is to be determined.

<h3>What is the equation?</h3>

The equation is the relationship between variables and represented as y =ax +m   is an example of a polynomial equation.

Here,
Function C = x - 2y
At the vertex point of the feasible region at (8, 2)
C = 8 - 2 *2
C= 4

Thus, the required maximum value of the function C = x - 2y  is 4.

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5 0
1 year ago
State which of the following sets of order pairs represent a function
Tamiku [17]

Remark

The quick answer is C does not represent a function. It has two y values for x = 2. These two points are (2,1) and (2,3). That eliminates C. No x can have 2 y values and be called a function. A function can have many x vales for a single y and still be a function.

A has all different x values, so it could be classed as a function. There are no values where x has more than 1 y value.

B also has all different x values. It too is a function.

Answer

A and B are both functions. C is not.

D <<<<< Answer

6 0
3 years ago
Find the following System by the cramer's rule 4x-2y=8 3x+y=-4
In-s [12.5K]

Answer:

the value of x is 0 and y is -4.

hope it helps uh..

4 0
3 years ago
What is the 14 called in 14^2 -exponent, radical sign or base
gayaneshka [121]

Answer:

Base

Step-by-step explanation:

An exponent is a number/letter written to the top-right of a mathematical expression called the base. It means that the base will raised to a certain power.

The radical sign is a symbol for the square root of a number.

6 0
3 years ago
Maelin raised $50 plus $3 for each mile, m, that she walked in a fund-raiser walk. Which expression represents the situation? Ch
zaharov [31]

Answer:

50+3m=x

Step-by-step explanation:

Maelin gave $50

$3 per mile

M= miles

50+3m=x

8 0
2 years ago
Read 2 more answers
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