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Mathematics 18 Online
OpenStudy (anonymous):

I WILL MEDAL AND FAN !!!!! I NEED A HERO!!!

OpenStudy (anonymous):

Which sequence can be represented by the expression 12n? 144, 132, 120, 108,... 1, 12, 24, 36,... 12, 24, 36, 48,... 6, 18, 30, 42,...

OpenStudy (anonymous):

@AlexandervonHumboldt2 @Ashy98 @Austin6i6 @AskMeLotss @alibaby @ashley011802

OpenStudy (anonymous):

Which sequence can be represented by the expression 12n? 144, 132, 120, 108,... 1, 12, 24, 36,... 12, 24, 36, 48,... 6, 18, 30, 42,...

OpenStudy (anonymous):

@blow_pop2000 @byronichero @brennanfunk @balooga82 @BunnyBree @bia_gonzalex

OpenStudy (anonymous):

Which sequence can be represented by the expression 12n? 144, 132, 120, 108,... 1, 12, 24, 36,... 12, 24, 36, 48,... 6, 18, 30, 42,...

OpenStudy (anonymous):

@chris215 @Cadance.r @cutiekawdfi @chlobug972 @carolinebooker @Cheer4lyfe

OpenStudy (anonymous):

Which sequence can be represented by the expression 12n? 144, 132, 120, 108,... 1, 12, 24, 36,... 12, 24, 36, 48,... 6, 18, 30, 42,...

OpenStudy (anonymous):

@ravege

OpenStudy (md152727):

What is this grade?

OpenStudy (ravege):

This is very simple see the expression 12n which means that 12 multiplied with n so n can take any value from 1 to infinity which basically gives you the multiplication table of 12

OpenStudy (md152727):

@TylernLauren Please reply, @ravege You're right

OpenStudy (ravege):

lol

OpenStudy (ravege):

that wa easy

OpenStudy (ravege):

was*

OpenStudy (anonymous):

Ok

OpenStudy (anonymous):

so its B

OpenStudy (anonymous):

?

OpenStudy (ravege):

yes

OpenStudy (anonymous):

ok i have another question

OpenStudy (ravege):

ask away

OpenStudy (anonymous):

Evaluate fifteen divided by j when j equals 5. 3 ten twenty seventy-five

OpenStudy (anonymous):

is it A

OpenStudy (ravege):

yep your correct

OpenStudy (anonymous):

Which phrase represents the algebraic expression x minus 3? the difference of a number and three three added to a number the product of 3 and a number a number subtracted from three

OpenStudy (md152727):

x-3=

OpenStudy (md152727):

It is probably A

OpenStudy (anonymous):

A or D

OpenStudy (ravege):

yes

OpenStudy (md152727):

A

OpenStudy (ravege):

im saying d

OpenStudy (anonymous):

Helena made trail mix and wants to list the ingredients in order of increasing weight. She used one and five over eight lb of mixed nuts, five over eight lb of chocolate covered raisins, and one and two over eight lb of dried mixed fruit. If she decides to include six over eight lb of sunflower seeds, which list shows the order of ingredients from least weight to greatest weight? raisins, seeds, fruit, nuts seeds, raisins, fruit, nuts raisins, fruit, nuts, seeds seeds, fruit, raisins, nuts

OpenStudy (md152727):

Oh! Yeah

OpenStudy (md152727):

D sorry

OpenStudy (ravege):

this one is hmm

OpenStudy (anonymous):

ok

OpenStudy (md152727):

First find the gcd then multiply all the numbers so that they all have the same denominator so it's easier to read

OpenStudy (anonymous):

Ok i still dont know what it is its hard :(

OpenStudy (md152727):

So raisins, fruit, seeds, nuts

OpenStudy (anonymous):

Ok thank you

OpenStudy (anonymous):

Which fraction falls between five-eighteenths and five-ninths? one-eighteenth two-ninths four-ninths thirteen-eighteenths

OpenStudy (ravege):

the second one

OpenStudy (ravege):

one the other question

OpenStudy (anonymous):

ok

OpenStudy (md152727):

5/8 lb of chocolate covered raisins 6/8 lb of sunflower seeds, 1 2/8 lb of dried mixed fruit. 1 5/8 lb mixed nuts

OpenStudy (anonymous):

Which fraction falls between five-eighteenths and five-ninths? one-eighteenth two-ninths four-ninths thirteen-eighteenths

OpenStudy (md152727):

oh

OpenStudy (ravege):

well if we make all of the fractions have the denominator of 18 then we would have In between 5/18 and 10/18 1/18 4/18 8/18 13/18 then choose the fraction that has a numerator between 5 and 10.

OpenStudy (md152727):

Right!

OpenStudy (anonymous):

4/18

OpenStudy (anonymous):

i mean 8/18

OpenStudy (ravege):

yep

OpenStudy (md152727):

:)

OpenStudy (md152727):

Any questions?

OpenStudy (anonymous):

[3.01] Which of the following helps you to determine that three hundred sixty-four is divisible by 4? The last digit is a 4. 4 is divisible by 4. sixty-four is divisible by 4. 3 plus 6 plus 4 is divisible by 4.

OpenStudy (md152727):

A

OpenStudy (md152727):

If any number ends in a two digit number that you know is divisible by 4 (e.g. 24, 04, 08, etc.), then the whole number will be divisible by 4 regardless of what is before the last two digits. Alternatively, one can simply divide the number by 2, and then check the result to find if it is divisible by 2.

OpenStudy (ravege):

yep

OpenStudy (ravege):

nice one

OpenStudy (anonymous):

Which is less than zero point eight five? nine-tenths eighteen-twentieths twenty-two twenty-fifths four-fifths

OpenStudy (md152727):

Less than 0.85: 0.9 0.9 0.88 0.8

OpenStudy (md152727):

What do you think?

OpenStudy (anonymous):

is it 0.88

OpenStudy (md152727):

LESS than 0.85

OpenStudy (ravege):

.8

OpenStudy (md152727):

Yep

OpenStudy (md152727):

Or D

OpenStudy (anonymous):

What is the greatest common factor of sixteen and forty? 2 4 8 sixteen

OpenStudy (md152727):

C

OpenStudy (ravege):

yep lol

OpenStudy (md152727):

Eight is the greatest common factor for the numbers 16 and 40. The factors of a particular number are those numbers that divide into it evenly, leaving no remainder. The greatest common factor between two numbers is the highest number that divides evenly into both of them.

OpenStudy (md152727):

Any other questions?

OpenStudy (anonymous):

Which improper fraction is equivalent to two and three over nine? fourteen over nine twenty over nine twenty-one over nine twenty-three over nine

OpenStudy (md152727):

2/9 + 3/9 = 5/9........

OpenStudy (ravege):

fourteen over 9, final answer (because 1 and 4 = 2 and 3 = 5)

OpenStudy (md152727):

Can't really understand this one, :(

OpenStudy (anonymous):

Which has 8 as a factor? 4 twelve twenty-four thirty-eight

OpenStudy (md152727):

C

OpenStudy (anonymous):

A?

OpenStudy (md152727):

3*8=24

OpenStudy (anonymous):

Which of the following is a pair of equivalent fractions? eight-twelfths and sixteen forty-eighths three-fourteenths and six forty-seconds four twenty-fourths and eight forty-eighths three-eighths and eleven-sixteenths

OpenStudy (anonymous):

??

OpenStudy (ravege):

four twenty-fourths and eight forty-eighths

OpenStudy (anonymous):

Which of the following is not true? 2 and 5 are the only prime factors of twenty. The prime factorization of forty-six is 2 times twenty-three. 3 is the only prime factor of twenty-seven. The prime factorization of twenty-four is 2 squared times 3 squared.

OpenStudy (md152727):

hard.........

OpenStudy (ravege):

20=22∗5 46=2∗23 27=33 24=23∗3 Looks like the last one of yours is not true. THe prime factorization of twenty-four is two cubed times three.

OpenStudy (anonymous):

I know...... XD

OpenStudy (anonymous):

Derek distributed thirty pieces of apple to his friends. If each apple slice was one-eighth of an apple, how many apples did he distribute to his friends? three and one-half four and one-half three and three-fourths four and one-fourth

OpenStudy (ravege):

this is 30 x 1/8 or 30/8 its 8 pieces per apple... so 8+8+8+ 6 3 whole apples and 6/8 or 3/4 of an apple 3 3/4

OpenStudy (anonymous):

When comparing twenty-three forty-seconds to one-half using mental math, what fraction is useful? twenty-three halves twenty-three twenty-firsts twenty-one forty-seconds twenty-three eighty-forths

OpenStudy (md152727):

Just to clarify the fraction in question is 23/42 correct? Assuming that the above is the correct fraction; You want to compare 23/42 to 1/2 therefore what is 1/2 written with 42 as the denominator?Half of 42 is 21, so you would want to compare 23/42 with 21/42.

OpenStudy (ravege):

nice

OpenStudy (md152727):

:)

OpenStudy (anonymous):

Which of the following is greatest? thirteen twenty-fifths zero point four five forty-three one hundredths twenty-nine fiftieths

OpenStudy (md152727):

Greateast: 13.25 0.45 0.43 0.58

OpenStudy (md152727):

Oh no, I mean 0.52 for A

OpenStudy (anonymous):

Guys i have to go i still didnt get to finish all my question i was wondering if you could answer the rest for me ???? You will be a huge help

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