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

Em sales had $2,200,000 in sales last month. the contribution margin ratio was 30% and operating profits were $180,000. what is em's margin of safety is sales d

What if you have a different number of protons in two atoms they are what?

Help don’t know it Also 42

What are the 2 main characteristics scientists use when classifying plants?

In “Heat,” H.D. uses alliteration when she repeats the p sound in “presses up” and “points of pears.” How does this use of alliteration affect the poem’s meanin

How do I simplify 5x + -2x + 6x + -x + 3x + 15x. ?

Find the measures of the supplementary angles if their difference is equal to 35°

The united states uses 24% of the world's supply of energy. What fraction of the world's energy is this???

Harvesting used figuratively?

Tickets to a basketball game were $2.50 each for students and $4.25 each for adults. if a total of 183 tickets were sold and $538 was collected from the ticket