You need to get r alone:
r-3.9=-9.3 you need to add 3.9 to both sides:
r=-5.4 :)
Answer:
(1 -2y)(1 +2y)
Step-by-step explanation:
The difference of squares is factored as ...
... a² - b² = (a -b)(a +b) . . . . . . . . a form you should keep handy
Here, you have a=1, b=2y, so your factored form is ...
... 1 -4y² = (1 -2y)(1 +2y)
Answer:
Below.
Step-by-step explanation:
0.04x20 =0.8 or 80 percent.
80 percent of six thousand is 4800+6000 = 10,800
Answer:
c. x>4
Step-by-step explanation:
subtract 7 from both sides. 11-7=4
x>4
Ha! It's a trick question! The answer is both. Doubling the width or the height of anything increases the volume.
