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aniked [119]
3 years ago
10

Triangle ABC and DEF are congruent. Find x.

Mathematics
1 answer:
Fynjy0 [20]3 years ago
5 0
The question is asking to find the value of x if the triangle ABC and triangle DEF is congruent and the side AB is x+6, side BC is x, side CA is x+4, and then the side DE measures 3x-5, base on that, and in my computation, the answer would be that the value of x is 30 ft.  I hope you are satisfied with my asnwer
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Answer:

13.75 hours

Step-by-step explanation:

First, find how many km the driver can travel:

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385/28

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So, the driver can travel 13.75 hours

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Step-by-step explanation:

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2 years ago
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8 0
3 years ago
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If Professor Wilson found that the test scores of his students had a variance of 4.4, what is the standard deviation? Type a num
malfutka [58]

Answer:

The standard deviation will be: 2.1        

Step-by-step explanation:

We know that standard deviation is basically the square root of variance.

Using the formula to calculate the standard deviation

s=\sqrt{s^2}

As

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so the standard deviation can be calculated as:

standard deviation =\sqrt{s^2}

                                 =\sqrt{\left(4.4\right)^}

                                  =2.1

Therefore, the standard deviation will be: 2.1                      

8 0
3 years ago
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