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eimsori [14]
3 years ago
12

Does anybody know how to do this

Mathematics
1 answer:
Fed [463]3 years ago
3 0

Answer:

Step-by-step explanation:

green tiles you add the x

red tiles is for subtraction

2x-2= 3x + 6 -2x-2

x on one side and numbers on other

2x-3x+2x=6-2+2

-3x=6

x=6/-3 =-2

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a gas company in massachusetts charges $1.30 for 16.7 ft3 of natural gas. convert this rate to dollars per liter of gas
Katyanochek1 [597]

By using a change of units, we can see that the rate in dollars per liter is:

R = $0.0027 per liter.

<h3>How to convert the rate?</h3>

Here we have a rate in dollars per cubic foot, and we want to rewrite this in dollars per liter. So we just need to apply a change of units.

The original rate is in dollars per square foot, and it is given by:

R = $1.30 for 16.7ft^3

We know that the relation between cubic feet and liters is:

1ft^3 = 28.32 L

Then, if we apply a change of units, we can rewrite the volume as:

16.7ft^3 = 16.7*(28.32) L = 472.9 L

Then the rate is $1.30 per 472.9 L, taking the quotient we get:

R = ($1.30/472.9 L) = $0.0027 per liter.

If you want to learn more about changes of units:

brainly.com/question/9032119

#SPJ1

5 0
2 years ago
An identification code is to consist of 3 letters followed by 2 digits. Determine the following
kirill [66]
Well let's see:

The first letter can be any one of 26 .
       For each one . . .
The second letter can be any one of the remaining 25.
       For each one . . .
The third letter can be any one of the remaining 24.
       For each one . . .
The two digits can be any number from 01 to 98 ...
       except 11, 22, 33, 44, 55, 66, 77, or 88.  (No repetition.)
      There are 90 of them.

So the total number of possibilities is    (26 · 25 · 24 · 90) .

When I multiply that out, I get   1,404,000 .

I don't know how you got your number, so I can't comment on your
method, but I did find something interesting about your number:

If I assume that you did the three letters the same way I did, then
if I divide your number by  (26·25·24), the quotient will show me
how you handled the two digits.

                         1,263,600 / (26·25·24)  =  81 .

That's very intriguing, because it's so close to the 90 sets of digits
that I used.  But I don't know what it means, or if it means anything
at all.
7 0
3 years ago
Read 2 more answers
HELP ASAP
tia_tia [17]
2,700 / 12 = 225
225 / 5 = 45
They can make 45 necklaces.








3 0
3 years ago
A regional airport, community college, and city hall building are located at the vertices
love history [14]

Answer:

Aye My Guy You Got The Answer Yet Lol

Step-by-step explanation:

8 0
3 years ago
The distribution of the heights of students in a large class is roughly Normal. Moreover, the mean height is 68 inches, and appr
Thepotemich [5.8K]

Answer:

Probably equal to 6 or 7.

Step-by-step explanation:

3 0
3 years ago
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