Why is the sky blue? also enjoy the points and you dont have to answer lol just dont wanna get this deleted

Mathematics

1 answer:

Taya2010 [7]3 years ago

5 0

Yay thank you!

I don't rally know why the sky is blue but I think it's because the ocean is. The ocean reflects the color of the sky and sky reflects the color of the ocean. I don't really know though. Hope this helps! :)

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Answer:

(a) $y=8x+5$

(b) 7 hours.

Step-by-step explanation:

(a) Let x be the number of hours and y is the total cost.

We have been given that Beatrice and her friends charge $8 per hour of babysitting, so the charges for x hours of babysitting will be 8x.

As they also charge a mandatory $5 per day fee for each child for snacks, so the total charges for babysit each day will be charges for x hours of babysitting plus mandatory charge.

We can represent this information in an equation as:

$y=8x+5$

Therefore, the equation $y=8x+5$ represents the total cost of using Beatrice’s babysitting service each day.

(b) To find the number of hours Beatrice babysit the daughter, we will substitute y = 61 in our equation and solve for x.

$61=8x+5$