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lianna [129]
9 months ago
5

In triangle ABC angle C 105° B 45° BD median of triangle ABC find the angle bdc

Mathematics
1 answer:
antiseptic1488 [7]9 months ago
8 0

Answer:

30

Step-by-step explanation:

105 + 45 +  bdc = 180

bdc=30

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A vehicle uses 1 gallons of gasoline to travel 13 miles. At this rate, how many mile
Brrunno [24]
1 gallon (it’s stayed in the question)
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3 years ago
Given the following: P(A) =0.3 P(B) = 0.2 P(A OR B) = 0.5 P(A AND B) = 0 Which of the following is true?a. A and B are disjoint.
erastova [34]

Answer:

a. A and B are disjoint

Step-by-step explanation:

We know that P(A and B)=0, It means that event A and event B have nothing in common and it means that event A and event B are disjoints events.

The event A and event B are independent if

P( A and B)= P(A)*P(B)

P(A)*P(B)=0.3*0.2=0.06

So, P(A and B)≠P(A)*P(B)

Hence events A and B are not independent.

Option a is A and B are disjoints which is correct

Option b is A and B are neither disjoints nor independent which is partially false as A and B are disjoints event.

Option c states that A and B are independent which is clearly false.

Option d states that A and B are disjoints and independent which is partially false as A and B are not independent.

Hence the correct option is option A.

5 0
3 years ago
the ratio of 7th graders to 8th grader at a school dance is 3 to 2. there are 54 7th graders at a dance. how many 8th graders ar
Georgia [21]
I just want u to know that u are loved
6 0
3 years ago
saima makes 14 muffins to give to her friends she wants to give 2 muffins to each friends at her party​
IgorLugansk [536]

Answer:

7 friends

Step-by-step explanation:

14 divided by 2

8 0
3 years ago
A small company 's net income for the first 6 months of the year was 76.500 and for the last six months it was 100,000 . What is
inna [77]

Answer:The ratio of net income in the first 6 months, to the last six months is $76,500 / $100,000. This simplifies intuitively as follows:

76500/100000

Dividing by 100: 765/1000

Dividing by 5: 153/200

The denominator 200 is only divisible by the prime numbers 2 and 5, and since the numerator 153 is not divisible by either 2 or 5, this means that this is in simplest form, and the final answer is 153/200.

Step-by-step explanation:i did the research for you this isnt my own answer therefore don't give me the credit. but hope this helped you tho :D

5 0
3 years ago
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