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Rama09 [41]
3 years ago
9

Please Help its past due!

Mathematics
2 answers:
andreev551 [17]3 years ago
6 0
HEY THERE !!

YOUR ANSWER IS IN ATTACHMENT !!

See both attachments.

salantis [7]3 years ago
3 0

Draw or Cut two  similar squares with sides b+c units long.


Draw or cut four  pairs of similar right triangles with side lengths as indicated in the diagram.

Now arrange the similar triangles at the corners of the squares such that the sides b of one similar triangle plus the side c  of a second similar triangle coincides with the length of the square.


We do another arrangement of the similar triangles. This time arrange another 4 similar triangles in the opposite corners, such that each pair forms a square.

Now comparing the two different arrangements we got two different areas that are equal.

The area of the uncovered squares in the first arrangement is a^2

The area of the two uncovered squares in the second arrangement is b^2+c^2

Equating the two areas gives the Pythagoras Theorem

a^2=b^2+c^2

Note that  a is the hypotenuse, b and c are two shorter sides of the similar right triangles.




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Answer:

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Step-by-step explanation:

To find f(- 10) , substitute n = - 10 into f(n) , that is

f(- 10) = - 7(- 10) + 4 = 70 + 4 = 74

3 0
3 years ago
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Please help me with this question
Vladimir [108]

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Step-by-step explanation:

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3 years ago
Assume that we have two events, A and B, that are mutually exclusive. Assume further that we know P(A) = 0.3 and P(B) = 0.7. If
Thepotemich [5.8K]

Answer:

See below

Step-by-step explanation:

What is P(A B)?

If A and B are mutually exclusive, then  

P(AB) = P(A∩B) = P(∅) = 0

What is P(A | B)?

By definition  

<em>P(A | B) =  P(A∩B)/P(B). </em>

Since  

P(A∩B) = 0, then P(A | B) = 0

Is P(A | B) equal to P(A)?

No, because P(A | B) = 0 and P(A) = 0.3

Are events A and B dependent or independent?

A and B would be independent if

P(A | B) = P(A) and P(B | A) = P(B)

But both P(A |B) and P(B | A) equals 0 and P(A) = 0.3, P(B) = 0.7

Hence, <em>A and B are dependent. </em>

A student in statistics argues that the concepts of mutually exclusive events and independent events are really the same, and that if events are mutually exclusive they must be independent. Is this statement accurate?

No, it is not.

As we already saw, A and B are mutually exclusive but they are not independent.

What general conclusion would you make about mutually exclusive and independent events given the results of this problem?

If A and B are not empty events which are mutually exclusive, they can never be independent.

6 0
4 years ago
What is the value of X?
ladessa [460]
To find the answer make 25 equal to 6x+1
25=6x+1
25-1=24
24=6x
24/6=4
x=4

X=4


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3 years ago
Which equation is the inverse of 2(x - 2)2 = 8(7 + y)?
Temka [501]
The answer to your question is D.
4 0
3 years ago
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