Answer:
x²-9=x²-3²=(x+3)(x-3)
Step-by-step explanation:
use formula
a²-b²=(a+b)(a-b)
Answer:
The actual wide of the lawn is 24 meters
Step-by-step explanation:
we know that
The scale drawing is

using proportion
Find out how wide is the actual lawn if the lawn is 48 millimeters in the drawing
Let
x -----> the actual wide of the lawn

therefore
The actual wide of the lawn is 24 meters
Answer:
The rate is
cups per hour
Step-by-step explanation:
It took the faucet 1 1/2 hours equivalent 3/2 hours to fill 1/4 cup by leaking
We need to find the rate in terms of cups that can be filled by water in 1 hour.
Using unitary method:
it takes
for
cup
it will take 1 h for how many cups?

Hence, the rate is
cups per hour
Answer:
1.89x + 5.19y = 31.62.
Step-by-step explanation:
Let the pagke of hot dags be x
Let the pakage of hamburgers be y
Now they total up tp 8 packages.
xEliminate the cost
x+y=8
y=8-x
Cost of hotdogs = $1.89
Cost of hamburgers = $5.19
1.89x+5.19y=31.62
1.89x+5.19(8-x)=31.62
1.89x+41.52-5.19=31.62
-3.3x=--9.9
x=3
y=8-3
y=5
Answer:
12
Step-by-step explanation:
hope u find this helpfull