X=-2; undefined slope means that the line is vertical, and the question states that the x-intercept was negative 2.
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.
Step-by-step explanation:
<u>Given</u>:-
- MP = Rs 540. Discount = 5 %
<u>To Find:</u><u>-</u>
<u>Solution</u>:-
SP = MP - Discount.
- MP = Marked Price ( Also called List Price) SP = Selling Price.
<u>Discount = (Discount %) of </u><u>MP</u>
Discount = (5/100) 54p
Discount = 27 Rs
<u>Subtract discount from MP to get </u><u>SP</u>
SP = MP - Discount
SP = 540 - 27 Rs
SP = 513 Rs
Hi! Ok, first you find the difference between the two amounts. (96) Then, divide that by the original number (422). Then multiply by 100 (move the decimal place 2 places to the right). You get 22.74 % (not rounded).
Hope that helps!