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krok68 [10]
4 years ago
9

Which biconditional is NOT a good definition?

Mathematics
1 answer:
Hitman42 [59]4 years ago
4 0

Answer:

c

Step-by-step explanation:

An angle is straight if and only if it’s measure is 180.

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Need help with 14 and 15 plz due tonight
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c = 8p

15. a ratio is a fraction comparing numbers showing how they relate to each other.

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The radius of a circle is 11 miles. What is the circle's area?<br> Use 3.14 for a.
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Exams are approaching and Helen is allocating time to studying for exams. She feels that with the appropriate amount of studying
svp [43]

Answer: 0.05

Step-by-step explanation:

Let M = Event of getting an A in Marketing class.

S = Event of getting an A in Spanish class,

i.e. P(M) = 0.80 , P(S) = 0.60 and P(M∩S)=0.45

Required probability = P(neither M nor S)

= P(M'∩S')

= P(M∪S)'                                 [∵P(A'∩B')=P(A∪B)']

=1- P(M∪S)                               [∵P(A')=1-P(A)]

= 1- (P(M)+P(S)- P(M∩S))   [∵P(A∪B)=P(A)+P(B)-P(A∩B)]

= 1- (0.80+0.60-0.45)

= 1- 0.95

= 0.05

hence, the probability that Helen does not get an A in either class= 0.05

3 0
4 years ago
What is the range help will mark Brainlest
dsp73

Answer:

70-79

Step-by-step explanation:

If you look at the histogram, the graph that has 70-79 is the lowest.

Hope this helps plz mark brainliest :D

5 0
3 years ago
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