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Ahat [919]
3 years ago
7

Whoever gives me a good answer will be the Brainliest. Mia is 6.97536 × 10^6 minutes old (6,975,360 minutes). Convert her age to

more appropriate units using years, months, and days. Assume a year has 365 days and a month has 30 days.
Mathematics
1 answer:
maksim [4K]3 years ago
5 0

Answer:

she is 13 years, 3 months, and 9 days old

Step-by-step explanation:

6,975,360 minutes

divide this by 60 -- # of minutes in an hour

6,975,360/60 = 116256 hours old

divide this by 24 -- # of hours in a day

116,256/24 = 4844 days old

divide this by 365 -- # of days in a year

4,844/365 = 13.271 years old

to find how many days of the year is 0.271

0.271 • 365 = 98.915 days

divide this by 30 -- # of months in a year

98.915/30 = 3.297 months

multiply this by 30 to find days of the month

0.297 • 30 = 8.91

she is 13 years, 3 months, and 9 days old

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3 years ago
A street light is at the top of a 25 ft pole. A 4 ft tall girl walks along a straight path away from the pole with a speed of 6
Burka [1]

Answer:

Tip of the shadow of the girl is moving with a rate of 7.14 feet per sec.

Step-by-step explanation:

Given : In the figure attached, Length of girl EC = 4 ft

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           Girl is moving away from the light with a speed = 6 ft per sec.

To Find : Rate (\frac{dw}{dt}) of the tip (D) of the girl's shadow (BD) moving away from th

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Solution : Let the distance of the girl from the street light is = x feet

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Therefore, \frac{dx}{dt}=6 feet per sec. [Given]

In the figure attached, ΔAFE and ΔADE are similar.

By the property of similar triangles,

\frac{x}{21}=\frac{x+y}{25}

25x = 21(x + y)

25x = 21x + 21y

25x - 21x = 21y

4x = 21y

y = \frac{4x}{21}

Now we take the derivative on both the sides,

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Since w = x + y

Therefore, \frac{dw}{dt}= \frac{dx}{dt}+\frac{dy}{dt}

\frac{dw}{dt}=6+1.14

= 7.14 ft per sec.

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Step-by-step explanation:

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You have to understand the problem clearly before trying to answer the question. Only thing that needs to be done to answer the question is adding 5 with f(x). This will yield the required result.

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