lindseyneville68 lindseyneville68

04-05-2021
Mathematics

contestada

the width of a rectangle is 7 cm less than twice its length. its area is 30 square cm. find the dimensions

Respuesta :

MarvelDude MarvelDude

04-05-2021

Answer:

l = 6 cm

w = 5 cm

Step-by-step explanation:

l(2l - 7) = 30

2l^2 - 7l - 30

(2l + 5)(l - 6)

l = 6

2(6) - 7 = 5

Answer Link

Otras preguntas

Which of the following was a piece of pro-business legislation past in the 1950s? a. federal highway-aid act b. taft-hartley act c. federal defense education

How many degrees are there in each exterior angle of an equilateral triangle

In whcih of the following fields are some computer skills useful

Independence came to Portuguese __________ at the same time as to Spanish colonies, but by a different process.

Chris loves to cook and hopes to be a professional chef one day. What is an example of an artifact for Chris? A. A poster of his favorite professional team

Select all the items that are public goods or services.

Independence came to Portuguese __________ at the same time as to Spanish colonies, but by a different process.

Anna baked 3 batches of cookies with c cookies in each batch. She then ate 8 cookies! How many cookies does Anna have left? Write your answer as an expression.

Which of the following pairs of atoms exhibit an ionic bond? H and S Fe and O C and F C and N

3 reason why it important to protect marine areas