23-01-2015
Mathematics

Answered

Which statements are true according to the order of the operations? A. 16-(4+7)=12+7=19 B. 10+(6÷3)=10+2=12 C. 7×6+4=7×10=70 D. 2+5×7=2+35=37

Answer :

23-01-2015

[tex]A. \\ 16-(4+7)=12+7=19 - \hbox{wrong, parentheses first:} \\ 16-(4+7)=16-11=5 \\ \\ B. \\ 10+(6 \div 3)=10+2=12 - \hbox{correct} \\ \\ C. \\ 7 \times 6+4=7 \times 10=70 - \hbox{wrong, multiplication first:} \\ 7 \times 6+4=42+4=46 \\ \\ D. \\ 2+5 \times 7=2+35=37 - \hbox{correct} [/tex]

Statements B and D are true.

Answer Link

Other Questions

describe how the life of a teen parent differs from the life of a teen without a child

what is the factor trees for 81

list the 6 characteristics of american economy and explain how they help the economy grow

4000 is times as much as 4

Dad asked Joe and to help put away the dishes A I direct object B me indirect object C I indirect object D me direct object Which personal pronoun correctly com

What is the answer to 1027yy9

The cashier thoughtlessly presented the man with a worn ripped dollar bill What is the best way to rewrite this sentence The cashier thoughtlessly presented the

In which type of chemical reaction are electrons transferred1 organic addition2 oxidationreduction3 double replacement4 acidbase neutralization

If 6x 3 5x 7 then x Can someone explain this one

What is the equation of the line that passes through the points 21 and 46