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krek1111 [17]
3 years ago
15

The expanded form of this number. 26,779

Mathematics
1 answer:
anygoal [31]3 years ago
8 0

Answer:

20000+6000+700+70+9

Step-by-step explanation: just put the number then change all of the numbers behind it to 0, add a + and contuntinue, if you find a 0 just skip it

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For what values of a and b is the line 3x y=b tangent to the curve y=ax3 when x=3?
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3 years ago
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

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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.

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2 years ago
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Find the area of the circle to the nearest whole number, if necessary!
astra-53 [7]

Answer:

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Step-by-step explanation:

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