madash7452 madash7452
  • 22-07-2021
  • Mathematics
contestada

A rectangle has a length (x+3)cm and a width (x-1)cm . Given that the rectangle is 24 cm^2. Find the value of x

Respuesta :

madethisfortwitch1
madethisfortwitch1 madethisfortwitch1
  • 22-07-2021

Answer:

4.292

Step-by-step explanation:

(x+3)(x-1)=24

expand

x²+2x-3=24

x²+2x-27=0

Using the quadratic formula..

[tex]\frac{-2+\sqrt{2^2-4*1*-27}}{2}=\frac{-2+10.5830052443}{2}=4.292[/tex]

there is another answer, but it doesn't make sense in the context of this question

the un-rounded answer is 4.29150262215

Answer Link

Otras preguntas

m o n i q u e r n 5 km race how many meters did m o n i q u e r n
75 mi/hr = how many ft/sec
Which state was a part of the Louisiana Purchase? A. Maine B. Kansas C. West Virginia D. Utah
a pool company has learned that, by pricing a newly released noodle aat $2, sales will reach 20,000 noodles per day during the summer. raising the price $6 will
which of the following best desicibes the british position toward native americans after the revolutionary war
Oil spills in large bodies of water (A) have little effect on water organisms (B) only affect life at the bottom of the water (C) can severely aff
factor the following expression. 18x^2-60x+50
Solve equation 15-3w=4w-2w
Why do parents use sign language.
Express decimal into fraction show work 0.125