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

Rewrite the multiplication problem using improper fractions. 1 5/6 x 2

Multiply. Write your answer in simplest form. 5/7 x 7/10

what equation represents a number y decreased by 25 is 100 ?

Which tool or tools would you use to measure and compare the mass of a cup of fresh water and a cup of salt water

President Nixon's policy of Vietnamization involved which of these? improving trade relations between the United States and North Vietnam increasing the militar

How did Marcus Aurelius and Antoninus Pius differ? Pius hurt the economy, while Aurelius helped it by lowering taxes. Pius wanted to conquer the world, while Au

8^x = (1/2)^(x-1) Solve for x

2/3 of the pizza was left over from last night. Then, Marcy ate another 2/9 of it. Which of the following statements is true? A.Very little of the pizza is left

What is the voice of the following sentence? They have found the missing ring. A. active B. passive

simplify and identify the domain -4/4x+8 times 5(x+3)x^2-9