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bixtya [17]
2 years ago
12

How many variables in are the following expression? 8 + b -12c + m

Mathematics
1 answer:
Alex2 years ago
6 0

Answer:

3 variables.

Step-by-step explanation:

b, c, and m are all variables.

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if an area can be washed at a rate of 4,900 cm2/ minute, how many square inches can be washed per hour?
Olenka [21]

Answer : 4.5 × 10⁴ square inches can be washed per hour.

Step-by-step explanation :

As we are given that an area can be washed at a rate of 4,900 cm²/min. Now we have to determine the square inches can be washed per hour.

Given conversions are:

1 cm = 0.39 in    and    1 hr = 60 min

As, 1 cm² = (0.39)² in²    and    1 min = 1/60 hr

So, 1cm^2/min=(0.39)^2\times 60in^2/hr

1cm^2/min=9.126in^2/hr

Now we have to determine the square inches can be washed per hour.

As, 1cm^2/min=9.126in^2/hr

So, 4900cm^2/min=\frac{4900cm^2/min}{1cm^2/min}\times 9.126in^2/hr=44717.4in^2/hr=4.5\times 10^4in^2/hr

Therefore, 4.5 × 10⁴ square inches can be washed per hour.

4 0
3 years ago
Translate to an inequality using the variable x. A number is less than 2​, or greater than 6 and less than or equal to 9.
Dmitrij [34]

Answer:

Please read the answers below

Step-by-step explanation:

Let's use x for writing the inequalities asked:

A number is less than 2​:

x < 2

A number is greater than 6 and less than or equal to 9:

6 < x ≤ 9

8 0
3 years ago
Write down the 3rd term in the sequence given by: T(n) = n2 + 4 pls explain how to do It plsss
crimeas [40]

Answer:

T(3) = 13

Step-by-step explanation:

If we are trying to find the 3rd term of this <em>specific </em>sequence, then we simply plug in 3 as n.

T(3) = (3)² + 4

T(3) = 9 + 4

T(3) = 13

However, this isn't proper notation for an arithmetic or geometric sequence.

8 0
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6 plates were not used

9*6=54
60-54=6
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Which of the following is the converse of the statement "if it is summer, then it is warm outside"?
konstantin123 [22]
If it is winter then it is cold inside
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3 years ago
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