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 ( 26+ )
Otras preguntas
Determine the mass in grams of each of the following: (a)0.600 mol of oxygen atoms (b)0.600 mol of oxygen molecules, O2 (c) 0.60 mol of ozone molecules, O3
An inductor and a resistor are connected in series. When connected to a 60-Hz, 90-V (rms) source, the voltage drop across the resistor is found to be 51 V (rms)
consider this question: What is the molarity of HCL if 35.23 mL of a solution of HCL contains 0.3366 g of HCL? (a) Outline the steps necessary to answer the que
If the rest energies of a positive sigma particle and a lambda particle are 1189.4 and 1115.7 Mev respectively, what is the difference in their masses in kilogr
If a committee of 3 people is to be selected from among 5 married couples so that the committee does not include a married couple, how many such committee are p
Small populations are more vulnerable to extinction, even with abundant resources, because of (choose any/all that apply): a. deterministic chaos b. environment
Atria receive blood from veins, and ventricles pump blood into arteries. a. True b. False
identify one piece of evidence provided in the passage that compares the status of women in south asia with men in the same region in the twelfth century
Scientists like Hermann Ebbinghaus, Jean Piaget, and Kurt Lewin paved the way for _____ by renewing interests in mental events such as perception, memory, and s
A spaceship traveling to Alpha Centauri at 0.75c sends a message home to Earth saying they are at the halfway point. (a) What is the frequency (in GHz) of the
