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
Answer:
On average she looses 1.33 pounds per week
Step-by-step explanation:
3/4=0.75
1.25+2+0.75=4 -> total weight loss
There are 3 weeks in total.
4/3=1.33
Answer:
-7a+11
Step-by-step explanation:
Answer:
126?
Step-by-step explanation:
sense there are 3 cartons and 42 in each carton you would multiply 3 by 42 to get 126.
The value of f(0) is 12.
<h3>What is graph?</h3>
Graph is a mathematical representation of a network and it describes the relationship between lines and points.
By considering the graph we have to find f(0) which means we have to find that point where x- coordinate is zero.
Also, which shows that 12 the function f(x)
So, taking the point is (0,12) we can get f(0)= 12.
Learn more about this concept here:
brainly.com/question/16608196
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