Which of the following correctly uses absolute value to show the distance between –80 and 15?

Answer:

13,00 + 5,000 - 3,000= 15,000

The ratio of 15 to 35 in its lowest terms is 3/7.

What is a mathematical function, equation and expression?

• function : In mathematics, a function from a set X to a set Y assigns to each element of X exactly one element of Y. The set X is called the domain of the function and the set Y is called the codomain of the function.

• expression : A mathematical expression is made up of terms (constants and variables) separated by mathematical operators.

• equation : A mathematical equation is used to equate two expressions.

Given is to find the ratio of 15 to 35.

The ratio of 15 to 35 in its lowest terms is -

15/35 = (5 x 3)/(5 x 7) = 3/7

15/35 = 3/7

Therefore, the ratio of 15 to 35 in its lowest terms is 3/7.

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The solution is, 14 tiles does Joe need.

What is area ?

Area is the measure of a region's size on a surface. The area of a plane region or plane area refers to the area of a shape or planar lamina, while surface area refers to the area of an open surface or the boundary of a three-dimensional object.

here, we have,

given that,

Joe's bathroom floor is 5 feet wide and 8 feet long.  He will cover the floor with 3" square tiles.

so first find area

area=legnth times width

5=width

8=legnth

5 times 8=40

so, we have,

area=40

3 area times x number of tiles=40

divide both sides by 3

x=40/3

x=13 and 1/3

since you can't buy 1/3 tiile

round up

x=14

answer is 14 tiles does Joe need.

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