barbie313
barbie313
02-05-2018
Mathematics
contestada
Hey guys help my please !!Q 4,6,7
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
VER TODAS LAS RESPUESTAS ( 86+ )
Otras preguntas
the senate refusing to ratify a treaty, the president vetoing a law, and the senate rejecting the nomination of a Supreme Court justice are all examples if
The complex numbers corresponding to the endpoints of one diagonal of a square drawn on a complex plane are 1 + 2i and -2 – i. What are the complex numbers cor
Which of these events came first? Julius Caesar’s assassination Rome becoming a republic Caesar Augustus taking power Rome becoming an empire
Another word for acadians
Why are trees considered to be producers? A. they do not need food to survive in an ecosystem B. they depend on consumers to help them make their food C. they g
Money managers: A. help people set up budgets to control personal spending. B. typically work for investment banks. C. are on the sell side of Wall Street. D
David made 30 cups of tea per hour. Andrew made 35 cups of coffee per hour. This week David made an additional 10 cups of tea. Write an expression that represen
2. What two features must a sample have if it is to accurately represent a population?
The area of a sea horse is 108 cm. Every day it grows by 2%. What will be the sea horse’s area after 2 days?
Which are characteristics of trade in ancient Egypt? Choose all answers that are correct. A. Egypt had its own silver and gem mining. B. Traders came and went u
