number 1
Step-by-step explanation:
it will be number one
because if you simplify
12/36 =1/3
if you simplify 6/18=1/3
Let f and b be the cost of foil and batteries respectively. We are first given that:
2f+3b=21 subtract 3b from both sides
2f=21-3b divide both sides by 2
f=(21-3b)/2
Then we are given:
5f+2b=25, using f found above in this equation gives you:
5(21-3b)/2+2b=25
(5(21-3b)+4b)/2=25 multiply both sides by 2
5(21-3b)+4b=50 carry out indicated operations on left side
105-15b+4b=50 combine like terms on left side
105-11b=50 subtract 105 from both sides
-11b=-55 divide both sides by -11
b=5, since f=(21-3b)/2
f=(21-3*5)/2
f=3
So batteries cost $5 and foil cost $3.
Yo got to the calculator click scientific then click 9 the go to the left side where all the x's are then click the one that looks like the y is on the top right next to the x and then click 6 and then click enter and then you get 531441
Answer:
Step-by-step explanation:
You need to bring the -5 to the left side.
x^2-6x+5=0
Wat two numbers, when multiplied equal to +5? Also when added make the middle term or -6? -5 and -1.
(x-1)(x-5) The x^2 would factor to be x*x
So the answer is the (x-1)(x-5)
