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(121 divided by ?) x 4 +8 = 52
? = __

2007-01-15 15:08:11 · 12 answers · asked by romance_luvbug 1 in Education & Reference Homework Help

12 answers

work backwards: Answer is: 11

2007-01-15 15:13:26 · answer #1 · answered by Produh G 4 · 0 0

(121/x)4+8=52

(121/x)4+8-8 = 52 - 8

(121/x)4 = 44

(121/x) = 44/4

(121/x) = 11

121 = 11x

121/11 = x

121/11 = 11

x = 11

2007-01-15 23:14:14 · answer #2 · answered by baldeaglepatriot 1 · 0 0

52-8=44 121 devided by44=11
?=11

2007-01-15 23:22:43 · answer #3 · answered by A_GUY 3 · 0 0

you would work in reverse order

52-8= 44 then you divide by 4 to see what the # you are looking for is

in this case it's 11

now you need to know what # goes into 121 11 times

and that # is 11

2007-01-15 23:15:37 · answer #4 · answered by John P 6 · 0 0

the answer is 11.

first, subtract 8 from both sides. the 8 on the left side cancels out and you subtract it from 52...which is 44. then, change the '?' to a variable [like y] and then divide each side by 4..the lrft 4 cancels out so you're stuck with dividing 44/4 which is 11. then you should have:


121/y=11

multiply each side by 'y' so you have:


121=11y

divide each side by 11 and you have 11=y

always be sure to plug your answer in to double check

2007-01-15 23:15:22 · answer #5 · answered by xidontwanttotalkaboutitx 2 · 0 0

first..... set it equal to zero. Meaning 121divided by x (x is the unknown) multiplied by 4 + 8 -52= 0 121 divided by x muliplied by -40.

2007-01-15 23:19:39 · answer #6 · answered by Boo Radley 4 · 0 0

(121/X) *4 +8=52
-8 -8
121/X *4=44
divide by 4 divide by 4
121/X = 11
*X *X
121=11X
divide by 11
11=X

2007-01-15 23:13:56 · answer #7 · answered by 0111450 4 · 0 0

The answer is 11

2007-01-15 23:13:50 · answer #8 · answered by angelbeliever114 5 · 0 0

11.

2007-01-15 23:13:35 · answer #9 · answered by listentoalk3 1 · 0 0

?=11
52-8=44
44/4=11
121/11=11

2007-01-15 23:17:03 · answer #10 · answered by Jamie316 3 · 0 0

(121/?)x4+8=52
4(121/?)=44
121/?=11
?/121=1/11
?=121/11
?=11

2007-01-15 23:15:05 · answer #11 · answered by lemonsquare 4 · 0 0

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