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Assoli18 [71]
2 years ago
15

For what value of x is the rational expression below undefined x-4/3x2-75

Mathematics
1 answer:
abruzzese [7]2 years ago
7 0

The given expression is undefined when x = 5 OR x = -5

<h3>Undefined expression </h3>

From the question, we are to determine the value of x for which the given expression is undefined

The given expression is

x-4/3x²-75

An expression is undefined when the denominator equals zero

Thus, the expression is undefined when

3x² - 75 = 0

Now, we will determine the values of x in the equation above

3x² - 75 = 0

3x²  = 75

x² = 75/3

x² = 25

x = ±√25

x = ±5

Hence, the given expression is undefined when x = 5 OR x = -5

Learn more on Undefined expression here: brainly.com/question/19815575

#SPJ1

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Answer:

A.

Step-by-step explanation:

4.5/C

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3 years ago
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Write an expression using fractions to show how to determine the amount that each person will pay? Then calculate each person's
hichkok12 [17]

Answer:

Emily: \frac{20.99}{83.90}

Ally: \frac{28.47}{83.90}

Rosalie: \frac{19.47}{83.90}

Rosaline: \frac{14.97}{83.90}

Step-by-step explanation:

We know that the total is 83.90. Each person's fraction will be \frac{person}{83.90}.

3 0
2 years ago
What is the research hypothesis when using anova procedures?
Pachacha [2.7K]

When using ANOVA procedures, the research hypothesis is: there is no significance difference within the mean values of the groups.

<h3>What is a Research Hypothesis in ANOVA Procedure?</h3>

ANOVA procedure compares the mean values of different groups that are administered with treatments. The research hypothesis, such as the null hypothesis would be stated as: no significance difference in the mean values within the groups.

Thus, we can conclude that the research hypothesis when using the ANOVA procedures can be stated as a null hypothesis, which states that: there is no significance difference within the mean values of the groups.

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brainly.com/question/20700422

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5 0
2 years ago
9. Determine whether or not the number 257 is prime.
Sladkaya [172]

Answer:

257 is prime.

Step-by-step explanation:

To evaluate if a number is prime, we just need to evaluate it for the prime numbers that are equal or lesser than the said number's square root.

In this case, √257 = 16.03 so we just need to see if 257 is divisible by <u>2, 3, 5, 7, 11 and 13</u> (the prime numbers that come before 16)

  • 257 is odd, so it is not divisible by 2.
  • The sum of its digits is 14, therefore, it is not divisible by 3.
  • 257 ends in 7, therefore it's not divisible by 5.
  • 257/ 7 = 36.71 so it's not divisible by 7.
  • 257/ 11 = 23.36 so it's not divisible by 11
  • Finally 257 / 13= 19.76 so it's not divisible by 13.

Therefore, 257 is prime.

7 0
2 years ago
HELP ME ASAP!!!!!!!!!!
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Answer: x(2) -9

I’m pretty sure that it
4 0
2 years ago
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