9/10 is greater than 6/10
6/10 <9/10
The value of p(a) is 0.5
Mutually exclusive events are those events that do not occur at the same time
Given,
The a and b are mutually exclusive events
P(a AND b)=0
P(a)=0.48
p(a or b)=0.98
We know that,
P(a or b)=P(a)+P(b)-P(a AND b)
P(a or b)=P(a)+P(b)-0
P(a or b)=P(a)+P(b)
P(a)=P(a or b)-P(b)
Substitute the given values
P(a)= 0.98-0.48
P(a)=0.5
Hence, the value of P(a) is 0.5
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400 grams of flour cost $2.4.
CommentThe two triangles (ABC and ADE) can be shown to be similar (which I'll do below). Their corresponding parts are also similar.
Step OneProve Similarity.
A is common to both triangles Construction
<ABC = <ADE Given as right angles.
By the AA Theorem both triangles are similar.
Step TwoFind x
AD is to AB as DE is to x
AD = 3 + 4 = 7
AB = 3
DE = 6
7 / 3 = 6/x Cross multiply
7x = 3 * 6
7x = 18 Divide by 7
x = 18/7
x = 2.571 <<<<<
answer
Answer:
Obviously Boston, since -27 is much less than 37
