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serg [7]
3 years ago
7

I don’t understand this

Mathematics
1 answer:
grigory [225]3 years ago
3 0
Me too ???????????????
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Is the number even or odd?<br>2018−2017+2016−2015 + . . . +2–1
scoundrel [369]

Answer:

It is the odd number 1009

Step-by-step explanation:

Notice that this problem involves the addition of a number "1" per consecutive pair (a number minus the integer that immediately precedes it), so it adds "1" (one) every couple of consecutive numbers.

2018 - 2017 = 1

2016 - 2015 = 1

...

4- 3 = 1

2 - 1 = 1

That means it is the addition of 2018/2 = 1009 numbers "1". This clearly results on the number 1009, which is an odd number.

5 0
3 years ago
what kind of polygon is included in both a net of a triangular prism and a net of a rectangular prism
Allushta [10]
Triangular prism  
i hope im right
7 0
3 years ago
Read 2 more answers
16 - x = -18<br> A. x = -18<br> B. x = -14<br> C. x = 14 <br> D. x = 18
Leona [35]

Answer:

None of these are correct? The correct answer is 34.

Step-by-step explanation:

Subtract 16 from each side, you get -x=-34

multiply each side by -1, you get x= 34

4 0
3 years ago
Read 2 more answers
B
Radda [10]

Answer:

ΔCFE is a right triangle

ΔBEC is an acute triangle

ΔBFG is an equilateral triangle

ΔGAF is an obtuse isosceles triangle

5 0
3 years ago
K is the midpoint of Line JL, JL=4x-2 and JK=7. find X
ipn [44]
X=4. If k is the midpoint then JK is equal to KL. Since JK is 7 then KL is also 7 meaning JK is 14. JK is represented by the expression 4x-2 so you just set that expression equal to 14 and solve for x. Hope this helped!
7 0
3 years ago
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