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Damm [24]
3 years ago
8

Vince burns about 250 calories per hour when he skateboards. This is represented by −250. Which integer represents the amount of

calories Vince burns when he skateboards for 3 hours?
Mathematics
2 answers:
nignag [31]3 years ago
5 0
He burns off 750 calories every 3 hours. 250 times 3 = 750. 3 is the number of hours he ran. And 3 times -250 = -750. -750 representing how many calories he gained(lost) in 3 hours. 250 represents hour many calories he lost in 1 hour, and -250 represents how many calories he gained(lost) in 1 hour. I would really appreciate it if I could get brainliest. Thanks!! =D
Lapatulllka [165]3 years ago
3 0
He burns off 750 calories every 3 hours. 250 multiplied my 3 is 750. 3 being the hours and 250 being the calories burned every hour
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Agata [3.3K]

Answer:

200 berlindes

Step-by-step explanation:

Vamos representar

O número total de berlindes na caixa = X

Mármores vermelhos = 20% de X

= 0.2X

Mármores amarelos = 40% de X

= 0.4X

Mármores azuis = 80

Conseqüentemente,

0.2X + 0.4X + 80 = X

Recolher termos semelhantes

80 = X - 0.2X - 0.4X

80 = X - 0.6X

80 = 0.4X

Divida ambos os lados por 0.4

X = 80 / 0.4

X = 200

Uma vez que X representa o número total de berlindes na caixa, portanto, o número total de berlindes na caixa = 200 berlindes

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3 years ago
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ruslelena [56]

Answer:

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Step-by-step explanation:

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6 0
4 years ago
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9514 1404 393

Answer:

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Step-by-step explanation:

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