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Mathematics 18 Online
OpenStudy (anonymous):

I WILL MEDAL AND FAN!!! MULTIPLE CHOICE QUESTIONS !!!!!

OpenStudy (anonymous):

[1.09] Nadine paid fourteen dollars and thirty cents for a bottle of lotion that was on sale at a "Buy One Get One Free" sale, so she got another one. How much did she pay, on average, per bottle? 4 dollars and seventy-seven cents 7 dollars and fifteen cents eleven dollars and ninety-two cents fourteen dollars and thirty cents

OpenStudy (anonymous):

@MD152727

OpenStudy (md152727):

ok I am here

OpenStudy (anonymous):

Can ya help Me ?? :)

OpenStudy (md152727):

Yes

OpenStudy (md152727):

$14.30/2=

OpenStudy (md152727):

7.15 so B

OpenStudy (anonymous):

7.15?

OpenStudy (md152727):

Yes, any other questions :) ?

OpenStudy (anonymous):

Mahesh wants to inflate twenty-five foil balloons with helium. If each balloon requires zero point 4 5 cubic feet of helium, how much total helium will he use? zero point 1 1 2 5 cubic feet 1 point 1 2 5 cubic feet eleven point 2 5 cubic feet one hundred twelve point 5 cubic feet

OpenStudy (md152727):

one balloon requires 0.45 cubic feet of helium, so two balloons would need twice this amount of gas ( 2 x 0.45 cubic feet), hence by the same reasoning 25 balloons would need 25 x 0.45 cubic feet of helium.

OpenStudy (anonymous):

.....

OpenStudy (anonymous):

11.25 ?

OpenStudy (md152727):

i mean 0.45*25=11.25 cubic feet

OpenStudy (md152727):

yep

OpenStudy (anonymous):

For which number can a zero be removed without changing the number's value? one hundred twenty-two point 5 zero thirty-four point zero 2 7 point zero 1 ten point 8 9

OpenStudy (md152727):

@rvc and @ganeshie8 can you two help us too?

OpenStudy (md152727):

A

OpenStudy (anonymous):

What is the value of 652.94952 rounded to the hundreds place? 652.95 700 653 652.9

OpenStudy (md152727):

122.50 or 122.5

OpenStudy (anonymous):

it is 122.50

OpenStudy (md152727):

B, 52 is rounded to 100

OpenStudy (md152727):

No, I mean they two are the SAME!

OpenStudy (anonymous):

ow

OpenStudy (md152727):

:) Any other questions? :)

OpenStudy (anonymous):

Estimate three hundred eighty-seven point 6 divided by 5. ten thirty sixty eighty

OpenStudy (md152727):

387.6 /5 = 77.52 so that is rounded to an eighty so D

OpenStudy (anonymous):

Which has the greatest value? 3 to the fourth power 5 to the third power ten to the second power seventeen to the zero power

OpenStudy (md152727):

3^5= 243 5^3= 125 10^2= 100 17^0= 1 so what do you think?

OpenStudy (md152727):

Oh, I am sorry 3^4= 81

OpenStudy (anonymous):

um...... c

OpenStudy (md152727):

Nope

OpenStudy (anonymous):

D

OpenStudy (md152727):

81, 125, 100 or 1 is BIGGER?!

OpenStudy (md152727):

Nope.......

OpenStudy (md152727):

It is 125

OpenStudy (md152727):

or B

OpenStudy (anonymous):

owwwwwww b

OpenStudy (md152727):

Yep!

OpenStudy (anonymous):

Jonah was keeping track of how many cars drove by every hour. He realized that the number of cars were in a sequence that followed the pattern n +3. How many cars drove by on the 9th hour? 27 6 12 3

OpenStudy (md152727):

0+3 3+3 6+3 9+3 12+3 15+3 18+3 21+3 24+3= 27 so A

OpenStudy (anonymous):

What is the simplified form of the expression 2x + y + 6y + 9 + 3y? 2x + 9y + 9 11xy + 9 12x + 3y + 9 2x + 10y + 9

OpenStudy (md152727):

D

OpenStudy (anonymous):

[2.02] Which phrase represents the algebraic expression three plus x over five? five divided by a number, increased by three five greater than a number divided into three the sum of three and a number divided by five five more than the quotient of a number and three

OpenStudy (md152727):

three plus x => sum of three and a number over five => divided by five So which do you think it is?

OpenStudy (md152727):

Keep in mind it is not A or B

OpenStudy (anonymous):

C

OpenStudy (md152727):

Yes!!

OpenStudy (anonymous):

Which expression results from applying the Identity Property of Multiplication to five u plus five v plus eight v plus v plus ten to get an equivalent expression? five u plus five v plus nine v plus ten five u plus v times the quantity five plus eight end quantity plus v plus ten five times the quantity u plus v end quantity plus eight v plus v plus ten five u plus thirteen v plus v plus ten

OpenStudy (md152727):

@girlmeetsworld

OpenStudy (anonymous):

Which expression results from applying the Identity Property of Multiplication to five u plus five v plus eight v plus v plus ten to get an equivalent expression? five u plus five v plus nine v plus ten five u plus v times the quantity five plus eight end quantity plus v plus ten five times the quantity u plus v end quantity plus eight v plus v plus ten five u plus thirteen v plus v plus ten

OpenStudy (girlmeetsworld):

i sorry i suck at math. ='[

OpenStudy (md152727):

@Willie579

OpenStudy (anonymous):

Same @girlmeetsworld XD

OpenStudy (md152727):

@chmvijay

OpenStudy (girlmeetsworld):

lol

OpenStudy (md152727):

not me , but that one is very hard.......

OpenStudy (willie579):

I'll try but I'm in 7th grade. X3

OpenStudy (md152727):

I am in 9th grade

OpenStudy (girlmeetsworld):

me 2 Willie. so its confusing for me. :/

OpenStudy (anonymous):

I am also in garde 7

OpenStudy (md152727):

I am 11 years old.

OpenStudy (anonymous):

why dont we all just take a quess

OpenStudy (girlmeetsworld):

O_O and ur in 9th grade?????

OpenStudy (md152727):

YES

OpenStudy (girlmeetsworld):

wow!! nice job. :)

OpenStudy (md152727):

I am 11 though.

OpenStudy (md152727):

:)

OpenStudy (anonymous):

I think a

OpenStudy (md152727):

@ganeshie8

OpenStudy (willie579):

I really don't know this. v_v

OpenStudy (girlmeetsworld):

<-- ok im sorry but i love this pic so much ... sorry for saying that i just had to get it out there. xD

OpenStudy (md152727):

@Preetha

OpenStudy (willie579):

<-- ok im sorry but i love this pic so much ... sorry for saying that i just had to get it out there. xD

OpenStudy (girlmeetsworld):

me either Willie.

OpenStudy (girlmeetsworld):

wow Willie

OpenStudy (md152727):

@Ghostgate

OpenStudy (anonymous):

i am just going to take a guess then we can move on to the next question

OpenStudy (md152727):

@AlexisIB @A_clan @Acs @RobertWK @bibby

OpenStudy (md152727):

@Photon336 @purpleseaspurple @tanjung @thelaw2 @TreeFarmer Anyone?

OpenStudy (anonymous):

OpenStudy (anonymous):

could that pic maybe help anyone

OpenStudy (md152727):

I think it helped me

OpenStudy (anonymous):

I think its A

OpenStudy (md152727):

A

OpenStudy (md152727):

Ok, two says A so it is A

OpenStudy (anonymous):

Every few minutes, Neenah writes down how many pages she has read of a reading assignment. Which expression represents this sequence? 4, 8, 12, 16, ... n - 4 n + 4 4n 2n

OpenStudy (md152727):

B of course

OpenStudy (anonymous):

Three brothers combine their money to buy their father a birthday gift. If each brother contributes fifteen dollars and one brother contributes an additional five dollars, how much money do they have for the gift? The expression is fifteen b plus five, where b represents the total number of brothers. twenty-three dollars thirty dollars thirty-five dollars fifty dollars

OpenStudy (md152727):

15+15+15=45 45+5=50

OpenStudy (md152727):

So D

OpenStudy (anonymous):

Which verbal phrase represents the expression n - 11? eleven decreased by a number a number divided by eleven eleven divided by a number eleven subtracted from a number

OpenStudy (md152727):

D it is like 12-11 so D

OpenStudy (anonymous):

Evaluate r minus thirty-two for r equals sixty-four. 2 sixteen thirty-two ninety-six

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