3 years ago

2)

Mathematics

1 answer:

ololo11 [35]3 years ago

3 0

Answer:

The leave together every 90 minutes

Step-by-step explanation:

The leave together every 90 minutes:

bus A : 30 + 30 + 30 = 90

bus B : 45 + 45 = 90

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The ratio of boys to girls in a class is 5:4. There are 36 Students in the class.How many students are girls

babymother [125]

Answer:

16 girls

Step-by-step explanation:

boys : girls : total

5 4 5+4 = 9

take the total number of people and divide by 9

36/9 = 4

Each number should be multiplied by 4

boys : girls : total

5*4 4*4 9*4

20 16 36

There are 16 girls

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3 years ago

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ddd [48]

Answer:

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4 years ago

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Hope this helps!

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3 years ago

H(x)=-1/3x^2+2x-4 graph the equation

Andreas93 [3]

You should be able to note that this is a parabola which opens downward. Taking the derivative and setting it to -0- will yield the max of the equation, That is

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3 years ago