Answer: 16m^4−25
Step-by-step explanation:
(4m^2−5)(4m^2+5)
=(4m^2+−5)(4m^2+5)
=(4m^2)(4m^2)+(4m^2)(5)+(−5)(4m^2)+(−5)(5)
=16m^4+20m^2−20m^2−25
=16m^4−25
Answer:
y=2x
Step-by-step explanation:
y is the amount of money made from the sold books
x is the number of books that are sold
since every book is sold for 2 dollars it's 2x,
so that mean x is multiplied by 2 to get y
20b. What does the slope mean in the context of the situation?
20c. What does the y-intercept mean in the context of the situation?
Answer:
i don't know what grade this is
Step-by-step explanation:
i don't know
2.
3. Place the beaker in the freezer.
4. After the water freezes, place the beaker on the balance and measure its mass.
Which of the following steps is missing from Selma's experiment?
Place the beaker on the balance and measure its mass.
Run the water through a filter to make sure there are no impurities in it.
Set a timer for 2 hours.
Use a thermometer to measure the water's temperature.
Answer:
place the beaker on the balance and measure its mass.
Step-by-step explanation:
In order to see if the mass of the water changed, Selma first needs to find out what the mass of the liquid water is in order to compare it to the mass of the frozen water.
One
Two
Infinitely many
Infinitely many, because if you simplified the right side, it would equal the left side.
Answer:
Infinitely many
Step-by-step explanation:
i just took the test