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dmitriy555 [2]
3 years ago
9

A rectangular box has volume 10 cubic meters. the base of the box is a square. the top and the base of the box are made from mat

erial which costs 30 dollars per dquare meter. the material for the sides costs 20 dollars per square meter. express the total cost of the box in terms of the length of the edge of the base.
Mathematics
1 answer:
allsm [11]3 years ago
3 0
200 times 20 qnd ten then 30 if you want then go from there 
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Simplify the following complex fraction.(3/7---1/3)2/3-----1/7
Yakvenalex [24]
Please retype this fraction.  If by "---" you mean "subtraction," type 3/7-1/3.

Let's assume that the problem is as follows:  (3/7-1/3)(2/3)-1/7;
first, find the LCD of 3/7 and 1/3 and then combine 3/7 and -1/3).
second, multiply your result by (2/3).
third, subtract 1/7 from your result.

If, however, your "---" and "-----" mean "division, then the above is all wrong.

If that's the case, then please retype your whole question.

You could express "the quotient of 2/3 and 1/6" as follows:
   
            2
          ----
            3

------------------------
            1
          -----
             6

Is that what you meant?

Sorry to be picky, but it's very important that you express math properly.





4 0
3 years ago
Toby the Tiger makes $25 an hour selling cereal. Write an equation to
gavmur [86]

Answer:

I think it is y=25x

Step-by-step explanation:

Since Tony the Tiger makes $25 an hour, in 2 hours, he would make $50. Both of them, when divided, equal 25, the constant of proportionality.

5 0
3 years ago
3x+122=22x-11<br>i need help!
nasty-shy [4]

3x + 122 = 22x - 11

    +11                + 11

3x + 133 = 22x

-3x            -3x

133 = 19x

x = 7

5 0
3 years ago
Read 2 more answers
What value of n makes the equation true?
zhannawk [14.2K]
To get the answer you have to add 29.4 and 13.9 and you get 43.3
It is A
5 0
3 years ago
Read 2 more answers
Somebody explain pls!!!!!
Furkat [3]

Step-by-step explanation:

Using log properties

log_{7}(rz {}^{12} )

log_{7}(r)  +  log_{7}(z {}^{12} )

Then

log_{7}(r)  + 12 log_{7}(z)

Plug in the knowns

- 7.87 + 12( - 12.59)

- 158.95

5 0
11 months ago
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