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Keith_Richards [23]
3 years ago
7

The circle is inscribed in triangle AEC. A circle is inscribed in triangle A E C. Points B, F, and D of the circle are on the si

des of the triangle. Point B is on side A C, point D is on side E C, and point F is on side A E. Which are congruent line segments? Select two options.
Mathematics
2 answers:
I am Lyosha [343]3 years ago
4 0

Answer:

EF and ED

CB and CD

Step-by-step explanation:

Oliga [24]3 years ago
3 0

Answer:

EF and ED

CB and CD

Step-by-step explanation:

B & E

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The table represents the start of the division of 8x^4+2x^3-7x^2+3x-2 by the indicated divisor. Find the quotient.
zloy xaker [14]
Answer: <span><span>2x² + x - 2</span> (the first option)

Explanation:

1) Question: divide 8x⁴+2x³-7x²+3x-2 by 4x² - x + 1

2) First term of the quotient

</span><span>  8x⁴ + 2x³ - 7x² + 3x - 2     | 4x² - x + 1
                                           ---------------------
 -8x⁴ + 2x³ - 2x²                   2x²
----------------------------------
           4x³ - 9x² + 3x - 2

3) Second term of the quotient:
</span>
<span>  8x⁴ + 2x³ - 7x² + 3x - 2     | 4x² - x + 1
                                           ---------------------
 -8x⁴ + 2x³ - 2x²                   2x² + x
----------------------------------
           4x³ - 9x² + 3x - 2
          -4x³ +  x² -   x
        ----------------------------
                  - 8x² + 2x - 2

4) third term of the quotient:
</span>
<span>  8x⁴ + 2x³ - 7x² + 3x - 2     | 4x² - x + 1
                                           ---------------------
 -8x⁴ + 2x³ - 2x²                   2x² + x - 2
----------------------------------
           4x³ - 9x² + 3x - 2
          -4x³ +  x² -   x
        ----------------------------
                  - 8x² + 2x - 2
                    8x²  - 2x + 2
                 -------------------------
                             0

5) Conclusion: since the remainder is 0, the division is exact and the quotient is </span>2x² + x - 2

You can verify the answer by multiplying the quotient obtained by the divisor. The result has to be the dividend.
5 0
3 years ago
Read 2 more answers
The owner of a football team claims that the average attendance at games is over 523, and he is therefore justified in moving th
USPshnik [31]

Answer:

C) There is not sufficient evidence to support the claim that the mean attendance is greater than 523.

Step-by-step explanation:

Let μ be the the average attendance at games of the football team

The claim: the average attendance at games is over 523

Null and alternative hypotheses are:

  • H_{0}: μ=523
  • H_{a}: μ>523

The conclusion is failure to reject the null hypothesis.

This means that <em>test statistic</em> is lower than <em>critical value</em>.  Therefore it is not significant, there is no significant evidence to accept the <em>alternative</em> hypothesis.

That is no significant evidence that the average attendance at games of the football team is greater than 523.

7 0
2 years ago
What number is being factored in this factor tree? <br><br>A.72<br> B.180 <br>C.216<br> D.324
Tatiana [17]

Answer:

not sure if it's ryt but I think it's A

7 0
3 years ago
Write the definition of a function printarray, which has two parameters . the first parameter is an array of integers and the se
Lady bird [3.3K]
Using pseudocode:

printArray(arr[], integers)
      DECLARE integers
      integers = SizeOf(arr)
      FOR i = 1 to integers // loop from 1 to the number of elements in arr[]
            print(i)
            print('')
            i = i + 1
      ENDFOR
END
7 0
3 years ago
PLEASE HELP! Which of the following is a discrete random variable? a) length of time you play in a baseball game b) length of a
wlad13 [49]

Answer:

The answer is D: the number of candies in a box.

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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