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

Which equation has the same y-intercept as y=4x-3?a. y-3=x b. y=8x+3 c. 3-y=4x d. y=-3+8xWhich of the following is the equation of the line

Data are drawn from a symmetric and bell shaped distribution with a mean of 120 and a standard deviation of 5. There are 900 observations in the data set. What

How is it possible for Mercury to have frozen ice ?

Data are drawn from a symmetric and bell shaped distribution with a mean of 120 and a standard deviation of 5. There are 900 observations in the data set. What

Prove that (x^5)-(x^2)+2x +3=0 has at least one real root. Prove that x=cosx has at least one solution.

how is mass transit in cities a possible solution tk urban air pollution?

How were life forms affected by the rise in atmospheric oxygen levels that began 2.2 billion years ago?

Find Domain of the functionsquare root of (x-8)/x(x-9)

find an equivalent expression without parentheses -(50x-15y+15)=

How is it possible for Mercury to have frozen ice ?