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Mamont248 [21]
3 years ago
15

Please give me some help guys ​

Mathematics
2 answers:
nasty-shy [4]3 years ago
7 0

Answer:

The answer of this question is 50

KIM [24]3 years ago
7 0

Answer:

50

Step-by-step explanation:

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The function f(x) varies inversely with x and f(x) =6 when x =4 what time s f(x) when x = 8
denpristay [2]

\bf \qquad \qquad \textit{inverse proportional variation} \\\\ \textit{\underline{y} varies inversely with \underline{x}}\qquad \qquad y=\cfrac{k}{x}\impliedby \begin{array}{llll} k=constant\ of\\ \qquad variation \end{array} \\\\[-0.35em] \rule{34em}{0.25pt}

\bf \textit{we also know that } \begin{cases} \stackrel{f(x)}{y}=6\\ ~~ x=4 \end{cases}\implies 6=\cfrac{k}{4}\implies 24=k~\hfill \boxed{y=\cfrac{24}{x}} \\\\\\ \textit{when x = 8, what is \underline{y}?}\qquad \qquad y=\cfrac{24}{8}\implies y=3

4 0
3 years ago
Which graph shows the solution set of x^2+9x+20/x^2-x-20>0
Alja [10]

Answer:

The answer on Edg. is B, (it has a closed circle at -5 with an arrow pointing to the left, and it has an open circle at 5 going to the right) . Hope this helps good luck!

3 0
3 years ago
Read 2 more answers
An integer greater than -2
goblinko [34]
On the number line below, there are arrows pointing to the left and to the right. The arrow that is pointing to the left has numbers below them; those numbers are negative numbers, including -2. 0 is mutual, meaning that it is a positive and a negative number. The numbers to the right are positive numbers. Positive numbers are greater than negative numbers, therefore, any number after 0 is greater that is greater than -2.

3 0
3 years ago
The height of a cone is two times its base diameter. What is the volume of the cone in terms of its base radius r?
grigory [225]

Answer:

\frac{4}{3} \pi r^3.

Step-by-step explanation:

Let's say that the radius is r. The base diameter is two times the radius, or 2r.

Since the height is two times the diameter, the height is 2 * 2r = 4r.

The volume of a cone is 1/3 * h * pi * r^2. So, the volume of the cone is 1/3 * 4r * pi * r^2 = 1/3 * pi * 4r^3 = 4/3 * pi * r^3.

So, the volume of the cone is \frac{4}{3} \pi r^3.

Hope this helps!

8 0
3 years ago
Someone help!! Thanks
Andru [333]

Answer:

I believe it is 21

Step-by-step explanation:

4 0
3 years ago
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