aryankoju2020
aryankoju2020 aryankoju2020
  • 21-12-2020
  • Mathematics
contestada

if a+b =5, b+c=6, c+a=7. then find the value of a​

Respuesta :

veronicaysemin
veronicaysemin veronicaysemin
  • 21-12-2020

Answer:

a = 3

Step-by-step explanation:

Answer Link
ChoiSungHyun
ChoiSungHyun ChoiSungHyun
  • 21-12-2020

Step-by-step explanation:

2a + 2b + 2c

= (a + b) + (b + c) + (c + a)

= 5 + 6 + 7

= 18.

Hence, a + b + c = 9 and a = (a + b + c) - (b + c) = 9 - 6 = 3.

Answer Link

Otras preguntas

Which practices are most likely to reduce consumption and production?
Recall the symbol Z represents the complex conjugate of z. If z=a+bi and w=c+di show that the statement is true zw=z*w
Why is DNA like a memory card?
The indentation style used on a Works Cited page is called
Adrian's CD player can hold six disks at a time and shuffles all of the albums and their songs. If he has thirteen CD's, how many different combinations of six
Describe the pros and cons of the treatments used for each of the sickle cell anemia patients investigated in this activity.
Which line in this poem indicates that the poetic speaker is hopelessly in love? And pleas’d with our soft peace, stayed here his flying race. Where with most e
How do you do a proper push up and sit-up
A galvanometer is a device that measures small currents. a. True b. False
state two ways of velocity