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Anastasy [175]
1 year ago
8

Mark says, '81 is a square number. Therefore, 810 is a square number.'

Mathematics
2 answers:
AlladinOne [14]1 year ago
4 0

Answer:

Mark is not correct , becouse squared number Is number which can be after "=" when you times same numbers for example: 4*4=16 so 16 is squared number,is this make sense?

mario62 [17]1 year ago
3 0

Answer:

mark is right

Step-by-step explanation:

3+5x5 =13

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When the range is wide

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3 years ago
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2 years ago
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6 0
2 years ago
Read 2 more answers
The minute hand on a clock is 9 centimeters long and travels through an arc of 252 degrees every 42 minutes. To the nearest tent
kkurt [141]

Answer:

39.6 cm

Step-by-step explanation:

Applying

s = 2πrθ/360................ Equation 1

Where s = length of an arc or distance traveled by the minutes hand of the clock during the 42 munites, r = length of the minutes hand of the clock, θ = Angle traveled by the minute hand of the clock for every 42 minutes

From the question,

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Constant: π = 22/7 = 3.14

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s = (2×3.14×9×252)/360

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4 0
3 years ago
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