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Karo-lina-s [1.5K]
3 years ago
7

A particular beach is eroding at a rate of 4 centimeters per year. A realtor converts this rate to millimeters per day. Which ex

pression, when evaluated, results in the correct units and numerical value?
StartFraction 4 centimeters Over 1 year EndFraction times StartFraction 10 millimeters Over 1 centimeter EndFraction times StartFraction 1 year Over 365 days EndFraction
StartFraction 4 centimeters Over 1 year EndFraction times StartFraction 1 millimeters Over 10 centimeter EndFraction times StartFraction 1 year Over 365 days EndFraction
StartFraction 4 centimeters Over 1 year EndFraction times StartFraction 1 centimeter Over 10 millimeters EndFraction times StartFraction 365 days Over 1 year EndFraction
StartFraction 4 centimeters Over 1 year EndFraction times StartFraction 10 millimeters Over 1 centimeter EndFraction times StartFraction 365 days Over 1 year EndFraction
Mathematics
2 answers:
notsponge [240]3 years ago
6 0

Answer:

A !!!

Step-by-step explanation:

monitta3 years ago
3 0

Correct answer is A) StartFraction 4 centimeters Over 1 year EndFraction times StartFraction 10 millimeters Over 1 centimeter EndFraction times StartFraction 1 year Over 365 days EndFraction

<u>Step-by-step explanation:</u>

We have , A particular beach is eroding at a rate of 4 centimetres per year. A realtor converts this rate to millimetres per day. We need to find correct expression, when evaluated, results in the correct units and numerical value . Let's find out:

We know that,   A particular beach is eroding at a rate of 4\frac{cm}{year}

1cm = 10mm

1 year  = 365 days

⇒ 4(\frac{cm}{year})

⇒ 4(\frac{10mm}{year})

⇒ 4(\frac{10mm}{365days})

⇒ \frac{40mm}{365days}

⇒ \frac{8mm}{73days}

Therefore, According to calculations,  Correct answer is A) StartFraction 4 centimeters Over 1 year EndFraction times StartFraction 10 millimeters Over 1 centimeter EndFraction times StartFraction 1 year Over 365 days EndFraction

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ella [17]

Answer:

1. The vertex of the graph of the function is (-4, 7)

2. The vertex represents a minimum value

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Step-by-step explanation:

The given quadratic function is given in vertex  form, y = a·(x - h)² + k, as follows;

g(x) = (x + 4)² + 7

1. By comparing the given quadratic function and the vertex form of a quadratic equation, we have;

a = 1, h = -4, and k = 7

The vertex of the graph of the function, (h, k) = (-4, 7)

2. Given that a = 1 > 0, the graph of the quadratic function opens upwards and the vertex represents a minimum value

3. Shifting the graph 6 units down from where it is now will give;

The vertex = (h, k - 6) = (-4, 7 - 6) = (-4, 1)

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After the shifting the graph 6 units down, c = 23 - 6 = 17

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