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german
3 years ago
15

What is the expression using summation notation of 0.4(1/2+1/2.4+1/2.8+1/3.2+1/3.6)?

Mathematics
1 answer:
Eva8 [605]3 years ago
8 0
Your answer should be 0.74563492
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olga55 [171]

the blank should say x

3 0
4 years ago
Which equation is equivalent to the given equation?<br> - 4(x – 5) + 8x = 9x – 3
seraphim [82]

Hi!

-4(x - 5) + 8x = 9x - 3

-4x + 20 + 8x = 9x - 3

-4x + 8x - 9x = -3 - 20

<u>-5x = -23</u>

Answer: B

3 0
3 years ago
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He circles are congruent. Which conclusion can you draw. a,
klasskru [66]
Base on the diagram you give and the choices where there is two triangle that both have vertexes, lines and segment. By calculating and analyzing the diagram , I conclude that the answer would be D. BD is congruent to RT. I hope i answered your question 
3 0
3 years ago
Joe has finished 14 of the 30 lessons in his piano book. Lindsey has finished the same percent of lessons from her piano book, b
Ksenya-84 [330]

Answer:

Step-by-step explanation:

14 is 46.67% of thirty so you’d need to find out what 46.67% of 45 is which would be 21

Hope this is right and it helped XD

8 0
4 years ago
Read 2 more answers
Find the sum <br> 2 2/3 + 1 3/5=
Schach [20]
2 2/3 + 1 3/5
= 2 10/15 + 1 9/15
= 3 19/15
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answer is 4 4/15 (4 and 4/15)

7 0
4 years ago
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