Answer:
3.2. The decimal point moves left once because there's only one 0
Step-by-step explanation:
Answer:
x = 5 and value of y = 2
Step-by-step explanation:
using substitution method
let;
x + 4y = 13...................... equation 1
x - y = 3............................... equation 2
from equation 2
x - y = 3.................................... eqn 2
x = y + 3.......................................... equation 3
put x = y + 3 in equation 1
x + 4y = 13...................... equation 1
y + 3 + 4y = 13
5y = 13 - 3
5y = 10
divide both sides by 5
i.e
5y/5 = 10/5
y = 2
sustitue for y = 2 in equation 3
x = y + 3.......................................... equation 3
x = 2 + 3
x = 5
therefore the value of x = 5 and value of y = 2
to check if your answwer is correct slot in the value of x and y in any of the equation . e.g
from equation 3
x = y + 3.......................................... equation 3
5= 2 + 3
5 =5....................... proved
Answer:
X= -11/4 + -1/4 √145 or X= -11/4 + 1/4 √145
Step-by-step explanation:
Hope this helped<3
Answer:
18 eggs for Rs 117
Step-by-step explanation:
Divide 84 by 12 (Dozen = 12) and you get 7 which means every egg is for Rs. 7
Divide 117 by 18 and you get 1.39 which means every egg is for Rs. 1.39
