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rjkz [21]
3 years ago
13

What number belongs in the blanks following equation? What is the value of a? a÷6×?=5×?

Mathematics
1 answer:
tiny-mole [99]3 years ago
4 0
The only solution that I see is a=30x^2
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Helppp how do u do 12
Delicious77 [7]
B is the correct answer



\frac{x}{100}  =  \frac{53}{106}  \\ x =  \frac{53 \times 100}{106}  =  \frac{5300}{106}  = 50




good luck
4 0
3 years ago
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At a school with 100 students, 40 students are taking Arabic, 35 Bulgarian, and 25
Ad libitum [116K]
A no students are taking all 3 languages
B 41 students are taking no language sorry if I’m wrong have a great day
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2 years ago
Rollie was succesful in losing weight he had a goal weight in mind he went on a diet for three months each month he would lose o
Llana [10]
Let's say that in the beginning he weighted x and at the end he weighted x-y, y being the number of kg he wanted to loose.

first month he lost
y/3

then he lost:  
(y-y/3)/3
this is
(2/3y)/3=2/9y
explanation: ((y-y/3) is what he still needed to loose: y minus what he lost already

and then he lost
 (y-2/9y-1/3y)/3+3 (the +3 is his additional 3 pounts)
 (y-2/9y-1/3y)/3-3=(7/9y-3/9y)/3+3=4/27y+3

it's not just y/3 because each month he lost one third of what the needed to loose at the current time, not in totatl

and  the weight at the end of the 3 months was still x-y+3, 3 pounds over his goal weight!


so:  x -y/3-2/9y-4/27y-3=x-y+3

we can subtract x from both sides:
-y/3-2/9y-4/27y-3=-y+3
add everything up:

-19/27y=-y+6

which means
-19/27y=-y+6

y-6=19/27y

8/27y=6
4/27y=3
y=20.25

so... that's how much he wanted to loose, but he lost 3 less than that, so 23.25

ps. i hope I didn't make a mistake in counting, let me know if i did. In any case you know HOW to solve it now, try to do the calculations yourself to see if they're correct!










5 0
3 years ago
Help me out with math homework please. I don't get it .
Anarel [89]
Ask google or siri i dont see it cause it's sideways


8 0
3 years ago
What is the sum of 8 and a number?
miskamm [114]
" the sum " means add

the sum of 8 and a number...

8 + n <== ur expression
5 0
3 years ago
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