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3 years ago

What are the critical points for the inequality x^2-4/x^2-5x+6 < 0? D is the correct Answer!

Mathematics

2 answers:

erastovalidia [21]3 years ago

5 0

Could you kindly be more specific in your question? It would make it a lot easier to answer. Thanks!

mojhsa [17]3 years ago

3 0

The critical points of a function are the values of x, for which the function is equal to zero.
Given the inequality

A rational function is said to be equal to zero when the numerator is equal to zero.
Thus

Therefore, the critical point of the inequality is x = -2 and x = 2.

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A baseball costs $4.00.If the sales tax is 5%,what is the total prics?

Liula [17]

In order to get the total price, we can multiply the 4 dollars by .05 to find 5 percent of the object's cost and add it to the sales tax. So, .05 times 4 is 0.2, meaning there is a sales tax of 0.2 dollars. We add that to the four, so the total price is 4.20 dollars. Hope this helps.

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3 years ago

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The volume of a cuboid with squared base of side length 20 cm and its hight 10 cm =......litres....help???

astra-53 [7]

$\mathfrak{\huge{\orange{\underline{\underline{AnSwEr:-}}}}}$

Actually Welcome to the Concept of the Volumes.

Volume of cuboid= L*B*H

here, L=B=20cm and H=10cm

hence , we get as,

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3 years ago

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Ksenya-84 [330]

Answer:4,67

Step-by-step explanation:

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3 years ago

List the following in order from least (top) to greatest (bottom). 6, 25, 27, V64, 764

Grace [21]

Answer:

764

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3 years ago

The administration at Pierce College conducted a survey to determine the proportion of students who ride a bike to campus. Of th

8_murik_8 [283]

Answer:

The correct option is (D).

Step-by-step explanation:

To construct the (1 - α)% confidence interval for population proportion the distribution of proportions must be approximated by the normal distribution.

A Normal approximation to binomial can be applied to approximate the distribution of proportion p, if the following conditions are satisfied:

$n\hat p \geq 10$

$n ( 1 - \hat p) \geq 10$

In this case p is defined as the proportions of students who ride a bike to campus.

A sample of n = 125 students are selected. Of these 125 students X = 6 ride a bike to campus.

Compute the sample proportion as follows:

$\hat p=\frac{X}{n}=\frac{6}{125}=0.048$

Check whether the conditions of Normal approximation are satisfied:

$n\hat p =125\times 0.048=610$

Since $n\hat p$ , the Normal approximation to Binomial cannot be applied.

Thus, the confidence interval cannot be used to estimate the proportion of all students who ride a bike to campus.

Thus, the correct option is (D).

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3 years ago