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ira [324]
3 years ago
7

Aiden attended school for 408 minutes, played basketball for 138 minutes, and worked on homework for 111 minutes. Estimate how m

uch time he spent doing these activities by rounding to the nearest ten first and then adding the rounded numbers.
Mathematics
1 answer:
stellarik [79]3 years ago
7 0

Answer:

well  660

Step-by-step explanation:

well frist we will have to subtract 408 with every other number

408-138=270

270-111=159

this is what he had left

but if it's the other way around 410+140+110=660

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5 0
3 years ago
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3 years ago
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timofeeve [1]

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4 years ago
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andrew-mc [135]

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3 0
3 years ago
Which set of side lengths can be used to form a right triangle
leva [86]

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14, 48, 50

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To check which set of side length can be used to form a right triangle we use pythagorean theorem

c^2 = a^2 + b^2

biggest side (hypotenuse is c^2)

(a) 14, 48, 50

50^2 = 14^2 + 48^2

2500= 196+2304

2500= 2500 that is  true

(b) 30, 40, 60

60^2 = 30^2 + 40^2

3600= 900+ 1600

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(c) 14, 50, 60

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4 0
3 years ago
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