iatekidsatayoungage iatekidsatayoungage

04-04-2022
Mathematics

contestada

10. To calculate the area of a rectangle, you multiply the length by the width. If the
length of a rectangle is (2x + 1) and the width is (x - 1), what is the area of the
) -
rectangle?
A. 3x
B. 3x2 - 1
C. 2x2 - x - 1
D. X - 1

Respuesta :

vandaryhem vandaryhem

04-04-2022

Answer:

Multiply those side lengths using the F.O.I.L method (first-outer-inner-last). Write it longhand then simplify if that’s what is needed.

(x+5)(x-5) = x^2 -5x + 5x -25

the -5x and + 5x cancel each other so it simplifies to x^2 - 25 units squared.

Answer Link

Otras preguntas

you are building a birdhouse that will have a volume of 128 in^3. the birdhouse will have the dimensions shown a. write a polynomial that represents the volume

A toy rocket is shot vertically into the air from a launching pad 5 feel above the ground with an initial velocity of 80 feet per second. The height h, in feet,

how do you write fraction 9/10 as a decimaland how to convert fractions into decimals

He believed that while there is serious unemployment in our auto industry, we should not ________ foreign cars. (A) build (B) repair (C) review (D) import (E) c

First year profits of a business were $900 . Second year profits were $1200 . What percent of the first year profits were the second year profits.

A 3.7 kg object is lifted to a Hight of 3 meters what is the potential energy of this object

Veronica earned $150 at work this past week in her paycheck. She wants to buy some necklaces which costs $6 each. She writes a function to model the amount of m

A rocket is launched from the ground. The function h(t)= -4.9t^2 +180t models the height of a rocket launcher from the ground t seconds after it is launched.

Zoey made 6 3/4 cups of fruit salad for a picnic. At the picnic, they ate 1/3 of the fruit salad. How much fruit salad did they eat?

What is the state at which a net force is zero called