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Serhud [2]
3 years ago
6

Please help ASAP Given: AC and BD bisect each other Prove: BC ≈ ED

Mathematics
1 answer:
algol133 years ago
3 0

answer is cpctc

corresponding parts of congruent triangles are congruent (cpctc)

You might be interested in
2/7 divided by 1/2 as a mixed number
Readme [11.4K]

Answer:

4/7

Step-by-step explanation:

2/7 ÷1/2=2/7 × 2 = 4/7

Hope this helps :D

8 0
3 years ago
The Census Bureau's Current Population Survey shows that 28% of individuals, ages 25 and older, have completed four years of col
gizmo_the_mogwai [7]

Answer:

19.35% probability that five will have completed four years of college

Step-by-step explanation:

For each individual chosen, there are only two possible outcomes. Either they have completed fourr years of college, or they have not. The probability of an adult completing four years of college is independent of any other adult. So the binomial probability distribution is used to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

In which C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

And p is the probability of X happening.

28% of individuals

This means that p = 0.25

For a sample of 15 individuals, ages 25 and older, what is the probability that five will have completed four years of college?

This is P(X = 5) when n = 15. So

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 5) = C_{15,5}.(0.28)^{5}.(0.72)^{10} = 0.1935

19.35% probability that five will have completed four years of college

5 0
3 years ago
Find a counterexample to show that the conjecture is false. Any number that is divisible by 2 is also divisible by 6.
Anon25 [30]
The answer is A)22 because 22÷6 is a fraction
6 0
3 years ago
Read 2 more answers
When 19 is added to one-quarter of a number, the result is 40. What is the number?
Kaylis [27]

Answer:

5.25

Step-by-step explanation:

1. 19 + 1/4x =40

2. 1/4x=40-19

3. 1/4x=21

4. x= 21/1/4

5. x= 5.25

6 0
4 years ago
Read 2 more answers
Please don’t only answer this explain how to figure it out so I have it for future reference
Deffense [45]
The polygon is built of 7 triangles (picture).

P=7\cdot\dfrac{1}{2}ah\\
a=28.9 \text{ m}\\
h=30 \text{ m}\\\\
P=7\cdot\dfrac{1}{2}\cdot28.9\cdot30\\
P=3034.5 \text { m}^2 \Rightarrow C

5 0
3 years ago
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