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Ivenika [448]
3 years ago
9

A sphere has a diameter of 15 inches.

Mathematics
2 answers:
s344n2d4d5 [400]3 years ago
8 0
Your answer is d.14,230.0in^3
snow_lady [41]3 years ago
7 0
Let's keep in mind first, what would be the formula that we would even use. But, when finding this in the first place, we would really need to consider why we would have to use this.

So, we would have to use this mainly because by using this of course, all we would practically do is to plug in the numbers, and from there, our answer would come very clear.

The formula: \left[\begin{array}{ccc}V=  \frac{4}{3}  \pi r^3\end{array}\right]

So, by using this formula, lets then plug in some numbers.

7.5*3/4*\pi*r=15= <span>14,230.0 in³</span>


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Adam drafts his favorite thing tractor on the scale drawing. The drawing scale is 3 inches for each foot. If the drawing is 20 i
dimaraw [331]
I believe it's 6.7. Not too sure though.
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3 years ago
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-6a=54 what is my answer
kupik [55]

Answer:

-9

Step-by-step explanation:

-6a=54

you're trying to get a by its self so divide by -6 on both sides . To get a=54/-6=-9

3 0
3 years ago
For what value of c does the following system have no solution?<br><br> 1/2x+1/5y=2<br> 5x+2y=c
Minchanka [31]

Answer:

Step-by-step explanation:

\frac{1}{2}x+\frac{1}{5}y = 2 \mid 5x + 2y = c

First let's multiply the 1st equation by 10.

5x + 2y = 20 \mid 5x + 2y = c

So, we can see that the equations have the same coefficients and that implies  they are equal.

So the equation has no solutions for. c \in R \setminus{20}

3 0
2 years ago
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What is the inverse of the function below?<br><br> f(x) = 2^x + 6
Helen [10]

The inverse of this function would be f(x) = \frac{Log(x - 6)}{Log2}.



You can find the value of any inverse function by switching the f(x) and the x value. Then you can solve for the new f(x) value. The end result will be your new inverse function. The step-by-step process is below.



f(x) = 2^{x} - 6 ----> Switch f(x) and x



x = 2^{f(x)} - 6 ----> Add 6 to both sides



x + 6 = 2^{f(x)} -----> Take the logarithm of both sides in order to get the f(x) out of the exponent



Log(x + 6) = f(x)Log2 ----> Now divide both sides by Log2



\frac{Log(x + 6)}{Log2} = f(x) ----> And switch the order for formatting purposes.



f(x) = \frac{Log(x + 6)}{Log2}



And that would be your new inverse function.

6 0
3 years ago
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Which of the following expressions is this one equivalent to?
padilas [110]

Hello from MrBillDoesMath!

Answer:

Choice D,  x-2


Discussion:

Observe the the highest order term in the numerator is  x^4 and the highest order term in the denominator is x^3. So the highest order term in their quotient is x^4/x^3 = x.  Choice D is the only possible answer as all other choices start with x^2

Regards,  

MrB

6 0
3 years ago
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