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dmitriy555 [2]
3 years ago
5

I need help solving this and finding the angle.

Mathematics
1 answer:
hammer [34]3 years ago
3 0

Answer:

x=6

Step-by-step explanation:

x=+1=7

    -1

x=6

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the parallel sides of a trapezium are such that the longer side is 4cm more than the shorter side of the distance between them i
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Answer:

32cm and 28cm

Step-by-step explanation:

Area of a trapezium=0.5 ( sum of parallel sides ) × height

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4 0
3 years ago
Can some one help me asap
zavuch27 [327]
It'd be easier to do #18 if y ou were to break it up:

                                                        14* (first term + 14th term)
Sum from n=1 to 14 of n =  S      = ---------------------------------
                                               14                       2
                                    
     14(1+14)
= ---------------- = 7(15) = 105 
           2

The sum of twice that is 210.  The sum of "1 from n=1 to n=14" is just 14.

The final sum is 210 + 14 = 224 (answer)
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3 years ago
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How many solutions does the system of equations have?
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