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4 years ago

What is the molar mass dinitrogen monoxide?

Mathematics

1 answer:

irakobra [83]4 years ago

8 0

The molar mass of dinitrogen monoxide?

Is=N2O=(14×2)+16

=44g/mol

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Find the missing side

Romashka-Z-Leto [24]

Hi there!
The question here is basically asking us to use ratios to find the length of the missing side. To do this, we must first construct a ratio. The best one would be -
$\frac{84}{12} = \frac{56}{x}$
Now, just cross multiply and solve for x.
$\frac{84}{12} = \frac{56}{x}$
$84x = 672$
$x = 8$
Therefore, the length of the missing side would be 8. Hope this helped!

5 0

4 years ago

Read 2 more answers

LoJao(37-3八):log 20 (3rniay)

Amanda [17]

Hello,
if the question is to solve the equation:

1) log must exist:
a)==>2r²-27>0==>(r-√(27/2))(r+√(27/2))==> outside the roots
r<-√(27/2) or r>√(27/2)
b)==>3r²+12r>0 ==>3r(r+4)>0 ==>outside the roots
r>0 or r<-4
==>r<-4 or r>√(27/2)=3.6742...

If this is realized:
2r-27=3r²+12r
==>r²+12r+27=0
Δ=12²-4*27=36=6²
r=(-12+6)/2=-3 or r=(-12-6)/2=-9

One solution r=-9

Proof
$log_{20}(2*(-9)^2-27)= log_{20}135$

$log_{20}(3*(-9)^2+12*(-9))= log_{20}135$

7 0

4 years ago

Mr. McDonald offers the tractor salesman $2000 for a used tractor. This offer includes 6% sales tax. If the salesman accepts the

mariarad [96]

The salesman will get $1,880 with out the 6% tax

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4 years ago

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Nima uses 2/3 cup peanuts, 1/2 cup cashews , 3/4 cup pecans, and some raisins in a recipe that makes 2 1/4 cups of trail mix. Ho

aliina [53]

Answer: There are 2/3 cups of peanuts and 21/4 cups of trail mix if you are to subtract the two witch gives you 4.58333333333 then simplify that as a fraction u should get 41/2 then simplify that u should get 20 or 1/2

Step-by-step explanation:

8 0

3 years ago

Factor completely. x^2-3x-28

Mars2501 [29]

Answer:

= (x+4) (x-7)

Step-by-step explanation:

x²-3x -28

Product = -28

Sum = -3

numbers = -7 and 4

Thus;

x²- 3x -28 ; replacing -3x with -7x and 4x

x²-7x +4x -28

x(x-7) + 4(x-7)

<u>= (x+4) (x-7) </u>

4 0

4 years ago

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