3 years ago

What is the value of 4(-1+2-3+4-5+6-7+......+1000)???

Mathematics

1 answer:

ANTONII [103]3 years ago

4 0

Answer:

Step-by-step explanation:

-1+2 = 1

-3+4 = 1

-5+6 = 1

and so on till -999+1000 = 1

1 .... 1000 - these are 1000 numbers, so

1000:2 = 500 pairs with sum equal 1

4(500•1) = 4•500 = 2000

You might be interested in

Julio wanted to borrow $2400 from his parents to buy a scooter. His parents told him they would loan him the money for only 3% s

velikii [3]

$2700 is the answer

4 0

3 years ago

Which subset of the real numbers contains the square root of 50

Pie

There are an infinite number of such subsets. One of them is the set of real numbers in the interval (7, 8). Perhaps you're thinking "irrational" numbers, as opposed to "integers" or "rational" numbers.

8 0

3 years ago

Add the following complex numbers:<br> (6 - 21) + (11 +61)

umka2103 [35]

Answer:

ugh I think its red

Step-by-step explanation:

I'm kidding its 57

5 0

2 years ago

Read 2 more answers

Trina wants to hang-glide at the same number of meters above sea level as she scuba-dived below sea level.will she fly higher th

mihalych1998 [28]

I need more information, do you know how high Jessie flew and how low under sea level she went?

6 0

3 years ago

Y is proportional

Scorpion4ik [409]

Answer:

B :) (im sure btw)

Step-by-step explanation:

5 0

3 years ago