barbie313
barbie313 barbie313
  • 02-05-2018
  • Mathematics
contestada

Hey guys help my please !!Q 4,6,7

Hey guys help my please Q 467 class=

Respuesta :

kayeecheng2102p3s8sa kayeecheng2102p3s8sa
  • 02-05-2018
q4, 4y²=60
y=√15 ( i am not sure)
q6, (5+y) ²=81
5+y=9
y=4
q7 (x+4) (x) =77
x²+4x-77=0
(x+11) (x-7) =0
x=-11(rej) or x=7
therefore ,length= 7+4=11cm
breadth=7cm
Answer Link

Otras preguntas

I need help with question 1 I'm completely lost on this question
What types of actions use smooth muscles?
how are physical and mental challenges connected to heroism?
The tropics are hotter than the poles because the sun strikes this area of earth more what
What five states have the largest Spanish-speaking population (in number of people rather than percentage)?
Water, wind, and solar energy can be replenished over relatively short time spans, so they are called
Solve for a. a+(−5)=−12 a=−17 a=−7 a = 7 a = 17
What century mariachis began to appear in the state as Nayart, Jalisco and Guerrero among others? A. XVI B. XIV C. XVII D. XIX
How many moles of glucose (C6H12O6) are in 4.0 liters of a 4.5 M C6H12O6 solution? (3 points) Question 1 options: 1) 18 moles 2) 12.5 moles 3) 8.5 mole
will upvote Which of the following does not accurately describe a check on the president's power by Congress? The Senate can approve or reject the president's