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Anuta_ua [19.1K]
2 years ago
12

Please assist, I'm really bad with word problems

Mathematics
1 answer:
kvasek [131]2 years ago
7 0

Answer:

The surface area of the balloon is S(t) = \frac{100}{49} \pi t^8

Step-by-step explanation:

Given;

S(r) = 4πr²

where;

S is the surface area of the balloon

r is the radius of the surface

The radius of the balloon at time "t" is given as;

r(t)= \frac{5}{7} t^4 \ \ \ t\geq 0

The surface area of the balloon as a function of time "t" is calculated as;

S(t) = 4\pi (\frac{5}{7} t^4)^2\\\\S(t) = 4\pi (\frac{25}{49} t^8)\\\\S(t) = \frac{100}{49} \pi t^8

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According to the 2008 U.S. census, California had a population of approximately 4 × 10^7 people and Florida had a population of
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3 years ago
Which answer best describes the shape of this distribution? skewed left skewed right uniform bell-shaped
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<em>Stay Cold, </em>

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(05.08) Solve for x: 2 over quantity x minus 2 plus 7 over quantity x squared minus 4 equals 5 over x. (2 points) x = negative 4
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Answer:

Step-by-step explanation:

The best way to do this is to use your LCM and eliminate the fractions.  To find the LCM you have to use all the denominators as a multiplier so the denominator in each term cancels out.  We will first factor the x-squared term to simplify and see what 2 factors are hidden there.

x^2-4 factors to (x + 2)(x - 2).  That means that our 3 denominators that make up our LCM are x(x+2)(x-2).  We will mulitply that in to each term in our rational equation, canceling out the denominators where applicable.

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