Step-by-step explanation:
(g+f)(x) ie option B
-2+1 = -1
1-2 = -1
4-5 = - 1
Answer: 0.034
Step-by-step explanation:
Given : P(Submitted under warranty)= 0.20
P(Replaced | Submitted under warranty)=0.40
P(Replaced and Submitted under warranty )= P(Submitted under warranty)×P(Replaced | Submitted under warranty)
=
Let x be the number of telephones will end up being replaced under warranty.
Total telephones purchased : n= 10
Using binomial probability formula : 
i.e. The probability that exactly three will end up being replaced under warranty will be :-
[Rounded to three decimal places. ]
Hence, the probability that exactly three will end up being replaced under warranty : 0.034
Answer:
c. 64 ....................
The simplest way of writing this:
<span><span><span><span>7p</span>−1</span>−<span>9p</span></span>+5</span><span>=<span><span><span><span><span><span>7p</span>+</span>−1</span>+</span>−<span>9p</span></span>+5</span></span>Combine Like Terms:<span>=<span><span><span><span>7p</span>+<span>−1</span></span>+<span>−<span>9p</span></span></span>+5</span></span><span>=<span><span>(<span><span>7p</span>+<span>−<span>9p</span></span></span>)</span>+<span>(<span><span>−1</span>+5</span>)</span></span></span><span>=<span><span>−<span>2p</span></span>+4</span></span>Answer:<span>=<span><span>−<span>2p</span></span>+<span>4</span></span></span>
Answer:
Use reverse operations to find the original number.
15/2
7.5
The number that was originally thought of was 7.5.
:)
