youniquem22 youniquem22

22-06-2017
Mathematics

contestada

Arlene us showing her work in simplifying(−7.9)+8.2−3.4+2.1 identify any error in her work or in her reasoning.

Respuesta :

NBAxPanda NBAxPanda

22-06-2017

Keep doing each step manually, and see where it slips up: −7.9+8.2−3.4+2.1=−1 −7.9+8.2+(−3.4)+2.1=−1 −7.9+(−3.4)+8.2+2.1=−1 (−7.9+(−3.4))+(8.2+2.1)=−1 −11.3+10.3=−1

Answer Link

Otras preguntas

what is the lithosphere made out of?

If (-3, y) lies on the graph of y = (1/2)x, then y =

How did its first pharaoh unify Egypt

What are the prime numbers of numbers 1-49?

What is 47% of 164 while using a fraction to estimate the percent of each number.

should the object be measured in grams or in kilograms? a feather a bulldog a television a penny

$10 + ($6-n) if n =$3 What is the final product Of this mathematical question?

the school marching band has 36 members. the band director wants to arrange the band members into a square formation. how many band members should be in each ro

A 100 centimeter stick broke into 3 pieces one piece was 7 centimeters long and another was 34 centimeters long how long was the third piece

How do I solve this problem 7x<14 and 1-x<4