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Mathematics 17 Online
OpenStudy (cosma09):

I need some one smart in math

OpenStudy (anonymous):

im not smart in maths but i can try

OpenStudy (anonymous):

im smart what do you need help with

OpenStudy (anonymous):

I am not smart either, and I want to be a volunteer, too hihii

OpenStudy (cosma09):

k12 work

OpenStudy (anonymous):

your ques please

OpenStudy (anonymous):

I am K9, but let see the question first. hihiihi

OpenStudy (anonymous):

what is K12 and K9 ???

OpenStudy (cosma09):

A rectangle with a length of 12 cm and a width of 6 cm has an area of 72 sq cm and a perimeter of 36 cm. Which rectangle has dimensions that give the same area as this rectangle but different perimeter? A. 80 cm by 90 cm B. 8 cm by 10 cm C. 3 cm by 24 cm D. 4 cm by 14 cm

OpenStudy (cosma09):

virtural schooling

OpenStudy (anonymous):

C

OpenStudy (anonymous):

c

OpenStudy (anonymous):

woha woah whhoa... A k9 student can answer the k 12 student's question. Proud of myself hihihihi

OpenStudy (anonymous):

for a fact

OpenStudy (anonymous):

excuse me first i answered it

OpenStudy (anonymous):

im owner of a medal

OpenStudy (cosma09):

opps I need a favor

OpenStudy (cosma09):

k12 favor (4th grade math)

OpenStudy (cosma09):

yes

OpenStudy (cosma09):

so no help

OpenStudy (anonymous):

help! post your question.

OpenStudy (anonymous):

first off, do you understand why we have C as correct answer for your problem??

OpenStudy (anonymous):

because 3x24 =72 so same area but different perimeter

OpenStudy (cosma09):

Chase bought a rectangular notepad that measured 5 inches by 8 inches. What was the area of the notepad? A. 13 in² B. 36 in² C. 40 in² D. 42 in²

OpenStudy (anonymous):

show me your attempt

OpenStudy (cosma09):

d

OpenStudy (anonymous):

why d?

OpenStudy (anonymous):

don't guess, if you don't know, just say "I don't know"

OpenStudy (anonymous):

|dw:1403633421649:dw|

OpenStudy (cosma09):

so c

OpenStudy (anonymous):

You have the formula to calculate the area of a rectangular, which says area = width * length, in your case width is 8 in, length is 5in , so that area = 8in*5in=40 in^2. C is correct answer. got me?

OpenStudy (cosma09):

yes

OpenStudy (cosma09):

@OOOPS

OpenStudy (cosma09):

Mrs. Gerhard wants to plant grass in her backyard. She wants the grass to cover all of her backyard except the play area. How many square feet of grass will Mrs. Gerhard need to plant? A. 12 ft2 B. 34 ft2 C. 60 ft2 D. 84 ft2

OpenStudy (anonymous):

so what is next? I am helping other, also. You just post and give me your trying. I'll check and steer you on the right track if it is needed

OpenStudy (anonymous):

your problem is lack of the length and the width of the backyard, how to solve?

OpenStudy (anonymous):

is there any pics?

OpenStudy (anonymous):

I guess it should be form like |dw:1403634158196:dw|

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