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

(Score for Question 3: of 6 points)3. Felipe is ordering new carpet for his bedroom floor. (The floor is represented in the picture below asrectangle JKLM). He

A substance has a mass of 15,000 kg and a volume of 30 m 3 . What is the density of thesubstance?

If Rosa is at most 27 years old. What symbol does at most refer to less than greater than less than or equal to greater than or equal to

If a different number in domain of a function have different outputs the function is called?

Which problem could be solved with the expression 5 (2 + 4) = 6?Choose 1 answer:Hayden made 2 bracelets before school and 4 after school each day for 5 days. Th

Find the X intercept and coordinate of the vertex for the parabola Y=X^2+ 4X -21 ,if there is more than one Y intercept separate them with commas.

which function will have the greatest value of x equals 80

points a,b, and are b lies between a and c. if ac=48,ab =2x+2and bc =3x+6, what is bc?

Hey I need help on this math problem ignore the lines across the answer choices it’s a glitch I can’t change it and the lines don’t mean that the answer choice

Given:Circle B with tangent AD and tangent DC. Arc AC has a measure of 85. What is the relationship between m