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Debora [2.8K]
2 years ago
6

Can someone please help me on this question?

Mathematics
2 answers:
katovenus [111]2 years ago
3 0

Answer:Hope this helps

6n=-3n-18

9n=-18

n=-2

ankoles [38]2 years ago
3 0

Answer:

6n+9=-3n-21-6

6n+9=-3n-27

6n=-3n-36

9n=-36

n=-4

Hope this helps plz hit the crown and fill in the blanks like I did :D

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Lauren coordinates a construction projects for a cement company. A government project requires constructing two rectangular conc
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Answer:

7

Step-by-step explanation:

Total concrete for slabs

24 * 24 * 1 = 576 ft³

Additional 20 %

By rule of three      

if     576       ⇒    100

        x??      ⇒     20           x = 115,2

And there are 2 slabs, the total volume of concrete is:

Q(t)  = 2* (576 + 115,2 )      Q(t)  =  1382,4 ft³   (1)

If the truck can carry a maximum of 8 yd³, as 1 ft³  = 0,037 yd³

then a truck can carry a maximum of

8/ 0,037   =  216,21 ft³

Now the total quantity is 1382,4

Then  

1382,4/216,21        =  6,39

And as nobody can send a fraction of a truck , the fewest number of truck is 7

5 0
3 years ago
Write -9.42 as a mixed number.
Savatey [412]

Answer:

-9 21/50

Step-by-step explanation:

5 0
3 years ago
How do you solve 2/3x+15=17? it is confusing. i have been stuck on this problem for a while...
kirill [66]
Find the opposite of adding 15. So it would be subtracting 15. So subtract 15 on both sides. So it would have 2/3x on the left and then 2 on the other side. (2/3x=2) Now find the opposite of multiplying 2/3. It is dividing 23/3. So divide 23/3 on both sides. So multiply 2/3 times 1/2. It would equal 3. x = 3
Hope this helps. :-)
3 0
3 years ago
John is 5 years younger than three times his brother’s age. If the sum of their
torisob [31]

Answer:

I think 10

Step-by-step explanation:

8 0
11 months ago
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2 years ago
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