chiangaureapcsbsh chiangaureapcsbsh

01-08-2018
Mathematics

contestada

Find the value of the expression (-101)+102+(-103)+104+...+(-199)+200.

Respuesta :

Аноним Аноним

01-08-2018

Examine the series in consecutive pairs.

-101 + 102 = 1

-103 + 104 = 1

-199 + 200 = 1

The second number of the pairs go from 102 to 200 so there are (200 -102) / 2 + 1 = 49 + 1 = 50 pairs

Answer = the value is 1 * 50 = 50

Answer Link

Otras preguntas

If sin (x + y) = 1 and cos (x - y) = √3/2, then x =

Please answer and give your workings out please :)

You ..... pick up your trash even if it's only if it's piece of paper. It's not required,but it's the right thing to do

The addition is the opposite of subtraction, Completing the record of the sentence. Addition sentence Subtraction Sentencen 3 t4 n

.✎﹏what Do You Mean By 'Melodrama'?

Identify documentation needed for evidence to be useful to the courts. When and how is evidence collected at the scene of the crime?

Which of the following foods are super hydrating? A. toast B. eggs C. roast beef D. cucumber

what is the co efficient of 'y' in the expression 4x-3y ?

A 45 kg wooden crate is being pushed at a constant velocity on a steel floor. What is the weight of the crate? *

Find the dimension of the figure