8x^2 -3 = 2
add 3 to each side
8x^2 = 5
divide by 8
x^2 =5/8
take the square root of each side
x = +- sqrt (5/8)
Answer:
2nd
Step-by-step explanation:
using the quadric formula

do the math and you get the second one.
{-1/3,5/2}
Answer:
x=1/2; y=-6
Step-by-step explanation:
2x-2=-2x-5
4x=2
x=1/2
y=-1-5
y=-6
the bag of rice weighs 4.5 pounds
Multiply 4.5 with 16 oz (as 1 lb = 16 oz)
4.5 x 16 = 72.
The bag of rice has 72 oz of rice inside.
The recipe only needs 60 oz of rice ∴ True, you will have enough, with 12 oz left over.
hope this helps
Answer:
26.25 mm
Step-by-step explanation:
On the blueprint of a house, 42 millimeters represents 8 meters. Thus,
42 mm - 8 m,
x mm - 5 m,
mathematically,
