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Nikitich [7]
2 years ago
11

In ΔCDE, the measure of ∠E=90°, the measure of ∠C=39°, and EC = 67 feet. Find the length of CD to the nearest tenth of a foot.

Mathematics
2 answers:
goblinko [34]2 years ago
6 0

Answer:  x=1.5012≈1.5 feet

Harlamova29_29 [7]2 years ago
4 0

Answer:

86.2129≈86.2 feet

Step-by-step explanation:

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Dmitriy789 [7]

Answer:D the last one

Step-by-step explanation:

7 0
2 years ago
How to solve this? ​
nevsk [136]

Answer:

Answer of 17 is ㏒(x^{2}+15x), Answer of 33 is x = 8 , Answer of 35 is x = ㏒10/㏒2 , Answer of 37 is  x = -㏒12/㏒8 and Answer of 39 is x = 5

Step-by-step explanation:

17. ㏒x + ㏒(x+15)

     Using property ㏒a + ㏒b = ㏒a×b

     ∴ ㏒x + ㏒(x+15)

        ㏒x×(x+15)

        ㏒(x^{2}+15x)

        The answer is ㏒(x^{2}+15x)

33. 2^(x-5) = 8

     2^(x-5) = 2^3

      Using property 2^a = 2^b

      Then a = b

     ∴x-5 = 3

       x = 8

      The answer is x = 8

35. 2^x = 10

    Taking log on both sides gives

     ㏒2^x = ㏒10

     x×㏒2 = ㏒10

     x = ㏒10/㏒2

    The answer is x = ㏒10/㏒2

37. 8^-x = 12

    Taking log on both sides gives

     ㏒8^-x = ㏒12

     -x×㏒8 = ㏒12

      x = -㏒12/㏒8

    The answer is  x = -㏒12/㏒8

39. 5(2^3 × x) = 8

      5(8×x) = 8

      x = 5

    The answer is x=5

 

5 0
3 years ago
4(x-2)=2(x - 4) + 2x
Marina86 [1]

Answer:

x=-1

Step-by-step explanation:

3 0
3 years ago
Oceanside Bike Rental Shop charges fourteen dollars plus seven dollars an hour for renting a bike. Nancy paid seventy-
Vanyuwa [196]

Answer:

3.33 so 3 hours and a half

Step-by-step explanation:

5 0
2 years ago
Find the inverse of y=1/2x+6. Show steps
soldi70 [24.7K]

Answer:

y = 2x - 12

Step-by-step explanation:

To find the inverse of a function, you switch x and y and solve for y.

x = 1/2 y + 6                 switch x and y

x - 6 = 1/2 y                  subtract 6 from both sides

2x - 12 = y                    multiply both sides by 2

7 0
3 years ago
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