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hram777 [196]
3 years ago
14

The approximate time between two high tides or two low tides is?

Mathematics
2 answers:
lina2011 [118]3 years ago
8 0

Answer:

Because the Earth rotates through two tidal bulges every lunar day, coastal areas experience two high and two low tides every twenty-four hours and fifty minutes. High tides occur twelve hours and twenty-five minutes apart. It takes six hours and 12.5 minutes for the water at the shore to go from high to low, or from low to high.

Step-by-step explanation:

because I said

please mark me brainliest

NeX [460]3 years ago
5 0

Answer:

It's (very roughly) 12 hours from one high tide to the next, and of course the same for low tides. That's because the tides produced when the Moon is directly overhead or in the opposite direction are the same. Same with two low tides, since there are two tides a day (both low and high).

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The completely factored form of 4x^2 + 28x + 49 is given by: Option C: (2x+7)(2x+7)

<h3>How to find the factors of a quadratic expression?</h3>

If the given quadratic expression is of the form ax^2 + bx + c, then its factored form is obtained by two numbers alpha( α ) and beta( β) such that:

b = \alpha + \beta \\ ac =\alpha \times \beta

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Sometimes, it is not possible to find factors easily, so using the quadratic equation formula can help out without any  trial and error.

For this case, the given quadratic expression is:

4x^2 + 28x + 49

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We can see that 196 is square of 14, and that 14 added twice forms 28, thus:

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Writing b = 28 as sum of 14 twice, we get:

4x^2 + 28x + 49 = 4x^2 + 14x + 14x +49 \\4x^2 + 28x + 49 =  2x(2x+7) + 7(2x + 7)\\4x^2 + 28x + 49  = (2x+7)(2x+7)

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Learn more about factorization of quadratic expression here:

brainly.com/question/26675692

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