cass191 cass191

07-04-2017
Mathematics

contestada

What are the dimensions of a rectangle with an area of 304 and a perimeter of 70?

Respuesta :

kelle1205 kelle1205

07-04-2017

Area = 304 cm^2
perimeter = 70
perimeter = 2(l+w)
70 = 2(l+w)
70/2 = l+w
35 = l+w
Now suppose the length would be = x
width would be= 35-x
NOW Area = l*w
304 = x * (35-x)
304 = 35x -x^2
x^2-35x+304 = 0
use quadratic formula to solve next ok

Answer Link

Otras preguntas

Identify the inequality graphed on the number line. A) x - 9 < 3 B) x + 9 < 3 C) x - 9 < -3 D) x + 9 < -3

5. The table below gives formulas for some ionic compounds formed when cations (X, Y, Z) combine with anions (A, L, D, F). a. What are the charges for each ca

Help me I’m rly stuck

Factor the polynomial using the pattern x^2-15x+54

PLZ HELP!!!What are the characteristics of continental tropical air masses?They have cool, dry air.They have warm, dry air.They have cool, moist air.They have w

What is 4281÷66 in long division

pumpkin are _____ in the fall,along with apples

Which example of a rhetorical device in Mandela's address is most effective in adding a lyrical quality as well as presenting listeners with divisive contrasts?

Solutions for 4x^2+12x+9=25

What is system of equation? One paragraph of 5sentences