Xy=10
x+y=29
subtract x from both sides for second equation
y=-x-29
subsitute in second equaiton
x(-x-29)=10
-x^2-29x=10
add x^2+29x to both sides
x^2+29x+10=0
quadratic formula
if you have
ax^2+bx+c=0,
x=

so
x^2+29x+10=0
a=1
b=29
c=10
x=
x=
x=

x=

x=

or

those are the 2 numbers
aprox=-28.65 and -0.349
Answer:
1/8
Step-by-step explanation:
-3p+1/8=-1/4
subtract 1/8
-3p=-3/8
divide by -3
p=1/8
Answer:
1.22111111111
Step-by-step explanation:
you divide normally but add decimal
Answer: 11:47
Step-by-step explanation:
Answer:
$69 is the total cost of the bill
Step-by-step explanation:
60(1.15)
60 is the cost of the bill, and the 1.15 is the added tax plus the previous $60.
Put 60(1.15) into a calculator and
$69