Answer:
Option B, Americium-241, is the right answer.
Step-by-step explanation:
-
A device which senses smoke usually as an indicator of fire is known as a smoke detector.
- The two most common types of smoke detectors are the Ionization chamber and photoelectric smoke indicators.
- Many of these smoke detectors comprise some amount of americium-241, which is a radioactive substance.
- These smoke detectors respond immediately to fires that give off some smoke.
Answer:
37 million and 37037
Step-by-step explanation:
<h3>Given</h3>
- Current year online retail site visitors = 50 million
- Previous year online retail site visitors = x
- The difference = 35% increase from previous year
<h3>Solution</h3>
- x + 35% = 50 million
- x*1.35 = 50 million
- x = 50 million /1.35
- x = 37 million and 37037
<u>37 million and 37037 Americans visited online retail sites on Black Friday last year</u>
8% of the kids are left handed. I used 12/150 to yield 0.08 which equals 8%
Answer:
14 + 1m + 7n
Explanation:
I combined like terms 5m - 4m and 22 + -8. After I simplified the equation from there.
<h3>
<u>·</u><u>Hope</u><u> </u><u>I</u><u> </u><u>helped</u><u>,</u><u> </u><u>-</u><u>SunnySideHelper·</u></h3>
-2/3 is the slope of 3y + 2x = 1