Which of the following is true about −9 ?(1 point)
It is an integer but not a rational number.
It is both an integer and a whole number.
It is an integer but not a whole number.
It is a whole number but not an integer.
The correct statement is: It is both an integer and a whole number.
A sign in a gas station advertises gas at the rate of $3.39910 per gallon. How many dollars does a gallon cost, writing the price strictly as a decimal? (1 point)
3.399
.339910
3.0339
0.3399
The correct price written strictly as a decimal is: 3.399
Which set of numbers is always rational?(1 point)
decimals
integers
positive numbers
negative numbers
The correct answer is integers. Integers are always rational numbers because they can be expressed as a whole number divided by 1.
The height of an equilateral triangle equals 3√2 times the side length. Using 74 for the square root of 3, what is the approximate height in meters of an equilateral triangle with a side length of 8 meters?
The height of an equilateral triangle can be calculated by multiplying the square root of 3 (√3) by the side length. Given that √3 is approximately equal to 1.732 and the side length is 8 meters, we can follow the calculation below:
Height = 1.732 * 8 = 13.856
Therefore, the approximate height of the equilateral triangle is 13.856 meters.
The height of an equilateral triangle equals 3√/2 times the side length. Using 7/4 for the square root of 3, what is the approximate height in meters of an equilateral triangle with a side length of 8 meters?
First, we need to substitute the value of √3 with 7/4 in the formula for the height of an equilateral triangle:
Height = (3√3/2) * side length
Height = (3 * 7/4 / 2) * 8
Height = (21/4 * 8) / 2
Height = (168/4) / 2
Height = 42 / 2
Height = 21
Therefore, the approximate height of the equilateral triangle is 21 meters.