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

write the sentence as inequality. one-half is at least 3 times a number p
essica and her sister, Nicole, need money for lunch. Jessica receives $50 and buys lunches at the high school for $2.50 each and Nicole receives $40 and buy lun
1. What can you conclude about the figure? a. The arrow locations represent precision. b. The arrow locations represent both high accuracy and good precision. c
PLEASE HELP ME WITH THIS ITS 10 POINTS!!! Im begging you
Please help!!! Match the gradients with their nomenclatures.
Find the slope of the line that passes through (1, 2) and (2, 4)
A driver in a car traveling at a speed of 35 m/s sees a deer 150 m away on the road. How long will it take for the car to accelerate uniformly to a stop in exac
How long will it take $3,000 to accumulate to $11,000 in an account that earns a 10% annual interest rate?
Why Did We Create Public Schools?
a pair of shoes is on sale for 30% off .the original price is p.which expression can be used to find price of the shoes after the discount ​