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gulaghasi [49]
3 years ago
7

Can anybody help me with this ?

Mathematics
1 answer:
frutty [35]3 years ago
7 0

f(x) = (3/4)ˣ - 4

As x gets really negative (3/4)ˣ grows positively without bound (because it's (4/3)⁻ˣ and 4/3 > 1).

As x gets really positive (3/4)ˣ tends to zero but never quite gets there.

So (3/4)ˣ > 0 for all x

So f(x) > 0 - 4 for all x

Answer:  { y   | y > -4  }, first choice

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Please help me I really need help
elixir [45]

Answer:

56

Step-by-step explanation:

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8 0
3 years ago
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I need some help finding the volume of a sphere with a diameter of 18.6cm. The website says the answer I got from my calculator
Dahasolnce [82]

Answer:

Volume, V = 3367.6 cm³

Step-by-step explanation:

Given the following data;

Diameter = 18.6 cm

Radius = diameter/2 = 18.6/2 = 9.3 cm

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To find the volume of the sphere;

Mathematically, the volume of a sphere is given by the formula;

Volume \; of \; a \; sphere = \frac {4}{3} \pi r^{3}

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6 0
3 years ago
In a certain town, 22% of voters favor a given ballot measure. for groups of 21 voters, find the variance for the number who fav
Galina-37 [17]
<span>c. 4.6
       
21 X .22= 4.6
       
Calculating the variance requires finding the product of 21 and 22%. To make this easier we convert 22% into it's decimal form and construct the equation. To back check this answer we can use 10% of 21 voters which equals 2.1% then double that amount to reach 4.2%, knowing that we now have a close approximation of the variance we can eliminate answers a, b, and d, leaving c as the only logical choice.</span>
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3 years ago
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alexira [117]
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4 0
4 years ago
Please help me with question 4!
Minchanka [31]

Answer:

I think that there might be some complex differential equation

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it is evaporating at a rate of 1/12 tank per hour

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I think the logic and math work... lets see if someone else will verify this analysis?

Step-by-step explanation:

6 0
3 years ago
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