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weeeeeb [17]
2 years ago
7

The invention of the telegraph ______________ a. let distant locations communicate quickly. b. kept distant locations from commu

nicating quickly. c. was 50 years after the railroad. d. was 50 years before the railroad.
Mathematics
1 answer:
VashaNatasha [74]2 years ago
5 0
The answer is a.......
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PLEASE HELP I WILL MARK BRAINLIEST explanation please!! :)
julia-pushkina [17]

Answer: c

Step-by-step explanation:

u want to separate it into the two triangles and a rectangle. so the first marked triangle is the first part of the problem then it adds on the rectangle 6(12) then theres that other unmarked triangle because u can see the bottom is 14 when the top is 12 so u take the formula and fill in 1/2(6)(2). i hope this makes sense im bad at explaining things.

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2 years ago
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Remark

Good thing to know. This is a rounding question.

A

Answer A is a bit nasty. I round 5 to the next highest number on the left. That may not be what you have been told to do. Let us round A to  5.7 and see if anything else does this.

B

Answer B rounds to 5.6

C

Answer C rounds to 5.6 as well. 3 is less than 5 so you round down.

D

Answer D rounds to 5.6(.) The zero has no effect on the 6.

Answer

Since there is nothing special about A and nothing else rounds to 5.7, the answer is A. So your rule is when the last number is 5, you round the second last number to one more than it was, regardless of the properties of the second last number.

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