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Mathematics 21 Online
OpenStudy (anonymous):

HELP 6th grader 8 – 2 • 3 + 7

OpenStudy (sesca89):

9

OpenStudy (anonymous):

i think it is 9 am i right?

OpenStudy (anonymous):

9

OpenStudy (sesca89):

yes

OpenStudy (arbershabani97):

you are right it's 9

OpenStudy (anonymous):

yay thanks

OpenStudy (anonymous):

can you guys help me with more

OpenStudy (anonymous):

8 – 2 • 3 + 7 8 – 6 + 7 2+7 9

OpenStudy (anonymous):

9

OpenStudy (anonymous):

(5 • 8 – 12)(36 ÷ 9 • 4)

OpenStudy (anonymous):

sure

OpenStudy (arbershabani97):

message me the question i will reply with the answer

OpenStudy (anonymous):

i think it is 448

OpenStudy (anonymous):

am i right

OpenStudy (anonymous):

(5 • 8 – 12)(36 ÷ 9 • 4) (40-12)(36÷9•4) 28(36÷9•4) 28(4•4) 28(16) 448

OpenStudy (anonymous):

yea

OpenStudy (arbershabani97):

yes

OpenStudy (anonymous):

here is another one

OpenStudy (anonymous):

Which two options could be the next step in simplifying this expression? 15 + (5 + 21) A. 15 + 26 (use order of operations) B. 20 + 36 (use the distributive property) C. 20 + 21 (use the associative property) D. 36 + 20 (use the commutative property)

OpenStudy (anonymous):

a

OpenStudy (anonymous):

it is two answers to this question

OpenStudy (anonymous):

a and b

OpenStudy (anonymous):

here is another

OpenStudy (anonymous):

The Gonzales family drove 300 miles on the first day of their vacation and 250 on each day after that. If d represents the number of days they drove after the first day, which expression gives the total distance they drove? A. + 300 B. 250 + d + 300 C. 250 + 300d D. 250d + 300

OpenStudy (anonymous):

do you have a guess?

OpenStudy (anonymous):

ummmmmmmm i think it is D

OpenStudy (anonymous):

yep

OpenStudy (anonymous):

here is another

OpenStudy (anonymous):

Which phrase could be represented by this expression? 2m + 7 A. twice the sum of a number and seven B. seven more than twice a number C. seven more than half a number D. two more than seven times a number

OpenStudy (anonymous):

i think it is A am i right?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

here is another

OpenStudy (anonymous):

Sonia wanted to buy new carpet for her L-shaped room. What is the area of this room? A. 302 sq ft B. 53 sq ft C. 242 sq ft D. 340 sq ft

OpenStudy (anonymous):

here is the photo |dw:1387235539789:dw|

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