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 ( 49+ )
Otras preguntas
When you brainstorm for a biography, you should A. create a thesis statement. B. decide what your argument will be. C. write down all the basic facts about your
What's the next number? 7594, 3649, 9253, ......
Potatoes were the main crop in Ireland in the 1800s. Almost the entire population of Ireland was dependent on a single variety of potato, the “lumper.” These po
what happends after the Raven flies into the speaker's room in The Raven by Edgar Allan Poe Arrange the events in the correct order The speaker imagines that a
In a race, a runner traveled 12 meters in 4.0 seconds as she accelerated uniformly from rest. The magnitude of the acceleration of the runner was (1) 0.25 m/s2
An accident resulted in a man’s hand being cut off from his arm. Paramedics arriving first on the scene placed the cut-off hand in ice. The man and his hand wer
Why did the Soviet Union close its borders and restrict travel abroad?
What expression is equivalent to 7(3x-2) + 4(x+5)
A 3.50-meter length of wire with a crosssectional area of 3.14 × 10^–6 meter2 is at 20° Celsius. The current in the wire is 24.0 amperes when connected to a 1.5
facts about the geosphere
