DogpTaynesl DogpTaynesl
  • 23-11-2016
  • Mathematics
contestada

A rectangle is twice as long as it is wide. If its area is 50 sq. yd., find the length.


10 yd.
25 yd.
33 1/3 yd.

Respuesta :

Greenleafable
Greenleafable Greenleafable
  • 30-11-2016
If one side is twice as long then that means that b = 2a, so the area formula is
a x 2a = 50
2a^2 = 50
a^2 = 50/2
a^2 = 25
a = 5
b = 2a
b = 10.

The correct answer is 10yd
Answer Link

Otras preguntas

the term diptych refers to A. a painting divided into two or more parts. B. a pair of paintings meant to be hung together. C. a casual sketch
Where is the x-intercept located? (–4, 0) (0, –4) (0, 4) (4, 0)
A 12 kg cart is moving at the speed of .25 m/s. After the speed of the cart is tripled the inertia of the cart will be.
Article lll of the constitution gives congress the power to create a system of federal courts, other than the Supreme Court.
How to simplify 24/3
why social advertisements are important
Please answer this correctly
read the passage: this was the world of ancient Greeks there are only Sunny pencil peninsula in southern Europe Stranded by Clear Blue Waters of the Mediterrane
The equation y=1.09x describes the approximate number of yards y in x meters. Would negative values of x have any meaning in the situation? Explain
reduce the equation (y+5=0) to slope-intercept form, and hence find the slope and Y-intercept of the line.