Answer:
x=15 and y=2
Step-by-step explanation:
The given system of equations is
8y - x = 1 ...............(i)
and
10 y = x + 5 ...............(ii)
Now from equation (ii)
10 y = x + 5
subtracting -5 from both sides
10 y - 5 = x + 5 - 5
10 y -5 = x
or
x = 10y -5 ............(iii)
Put this in equation (i)
it becomes
8y - (10y -5) = 1
8y-10y+5=1
-2y+5 =1
subtracting 5 from both sides
-2y + 5 -5 = 1 -5
-2y = -4
dividing both sides by -2 gives
-2y / -2 = -4 / -2
y = 2
We got the value of y putting it in equation (iii) to get the value of x
as from equation (iii)
x = 10y-5
x = 10(2) - 5
x = 20 -5
x = 15
So this is the solution from the equations
N-1.8=2 I think thats the right answer hope this helps
Hi there!
The sum of two rational numbers will always equal a rational number. Similar to adding fractions, if both denominators are the same then you can add them together. In the case of rational numbers, it is the same. Adding two of the same thing together makes the sum the same, rational.
ANSWER:
Option 3 - a rational number
Hope this helps!! :)
If there's anything else that I can help you with, please let me know!
if their corresponding angles are congruent and the corresponding sides are in proportion ...so it will be similar triangle
A² - ab + 8b + b² - 1
There are 5 terms in the expression.
a² = 1st term
ab = 2nd term
8b = 3rd term
b² = 4th term
1 = 5th term
Each term is separated by a plus (+) sign or a minus (-) sign.
A term is either a number, a variable, or a number and a variable multiplied together.
a², ab, b² are variables.
8b is a number and a variable multiplied together
1 is a number.
