Identify the domain and range

Mathematics

1 answer:

Digiron [165]3 years ago

6 0

Answer:

Domain: (-∞, ∞), or x∈R, or -∞<x<∞

Range: (-∞, ∞), or y∈R, or -∞<y<∞

Step-by-step explanation:

Domain and range are all real numbers. Domain is all values of x, range is all values of y.

Domain: (-∞, ∞), or x∈R, or -∞<x<∞

Range: (-∞, ∞), or y∈R, or -∞<y<∞

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The measures of the base angles of an isosceles triangle are 3x 5 and 5x - 25. The measure of the vertex angle is 6x - 10. Find

lukranit [14]

Answer: The measure of the vertex angle = 80°

Step-by-step explanation:

Angle sum property of triangle : The sum of the measures of the angles for any triangle is 180 degrees.

So,

$3x+ 5 + 5x-25+6x-10= 180\\\\\Rightarrow\ 14x-30=180\\\\\Rightarrow\ 14x= 210\\\\\Rightarrow x=\dfrac{210}{14}=15$ '

Then, vertex angle = $6(15)-10=90-10= 80$

Hence, The measure of the vertex angle = 80°

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If the total number of books checked out of the library at your high school is 14,400 and the student population is about 2400.

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The number of books taken by each student is 6.

<h3>What is an average?</h3>

Average is defined as the ratio of the sum of the number of the data sets to the total number of the data. The average actually determines the middle value of the data.

Given that the total number of books checked out of the library at your high school is 14,400 and the student population is about 2400.

The average is calculated by dividing the sum of the total number of items by the total counts of the items.

Average = 14400 / 2400

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