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Karolina [17]
4 years ago
13

Simplify the following expression. (1/7x+3/8) + (2/9x-1/8)

Mathematics
1 answer:
bonufazy [111]4 years ago
6 0

Answer: The answer is 23x/63+1/4

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3/4 with the main number divide it
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Which of the following is a valid objective function for a linear programming problem
OLga [1]

The objective function of a linear programming problem is a linear function.

A valid objective function is (b) Min 4x+3y+(2/3)z

The form of the objective function of a linear programming problem is:

\mathbf{ax + by + cz +.....}

The above function means that:

  • The objective function cannot contain the product of the variables
  • The objective function cannot contain the quotient of the variables

The above highlights mean that:

  • The objective function can contain the sum of the variables
  • The objective function can contain the difference of the variables

Hence, the valid objective function is (b) Min 4x+3y+(2/3)z

Read more about objective functions at:

brainly.com/question/11206462

8 0
3 years ago
Alina is able to swim at a rate of about 2.5 miles per hour. Talia is able to swim at a rate of 1.8 meters per second. Which sta
Masja [62]

Answer: Option 'D' is correct.

Step-by-step explanation:

Since we have given that

Rate at which Alina swim = 2.5 miles per hour

Rate at which Talia swim = 1.8 meters per second

First we need to change meters per second into miles per hour

As we have given that

1\text{ miles}=1609\text{ meters}

and

1\text{ hour}=3600\text{ seconds}

So, to change into miles per hours, we'll apply this,

\frac{1.8\times 3600}{1609}\\\\=4.02\text{ miles per hour}

So,

Difference between their rates will be given by

4.02-2.5=1.52\text{ miles per hour}

Hence, Talia swims about 1.5 miles per hour faster than Alina.

So, Option 'D' is correct.



4 0
4 years ago
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What is the domain for x is less than or equal to 5
arsen [322]

Answer:

54321

Step-by-step explanation:

or any negative number

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