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3 years ago

Show FSS Find the area of the remaining pizza if the radius 10 centimeters.

Mathematics

1 answer:

Nitella [24]3 years ago

7 0

Answer:

100π or about 314.16

Step-by-step explanation:

The formula for the area of a circle is (pi)*(radius^2)=area.

The radius is 10, so plugging that in you get pi*10^2=area.

Simplifying, you get Area=100π, or about 314.16

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Which formula shows a joint variation?

djyliett [7]

The answer is the first option: I, II and III.

The explanation is shown below:

1. By definition, there is a joint variation when a variable depends on two or more different variables. Therefore, you can express it as following:

$y=kxz$

Where $x,y$ and $z$ are the variables and $k$ is the constant of proportionality.

As you can see, $y$ is directly proportional to $x$ and $z$ .

2. Keeping the information above, you have:

I) $V=lwh$ ( $V$ varies jointly with $l$ , $w$ and $h$ .

II) $V=\frac{1}{3}r^{2}h\pi$ (If $\frac{\pi}{3}$ is the constant of proportionality, $V$ varies jointly with $r^{2}$ and $h$ ).

III) $V=Bh$ ( $V$ varies jointly with $B$ and $h$ .

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3 years ago

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katrin [286]

Answer:

A. h(x)= -3 - 10.5

Step-by-step explanation:

Plug in the x-values from the table into each function. If you get the y-values that appear in the table, that is the correct function.

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3 years ago

If f(x) = 2x2 + bx + c, find the value of "c" that makes the vertex of the given graph the same as the vertex of f(x).

AlekseyPX

Well it was a lucky guess but the answer is 75

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3 years ago

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please answer this question ASAP and all answer questions I beg you please answer all questions correctly I will give you a brai

Travka [436]

Answer:

first pic: 22

2nd pic: 31

3rd and 4th pic: 5, 5, 3, 4, 3 (in order)

last pic: c=7p

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3 years ago

Suppose you want to study the relationship between smoking and cancer. You assume that smoking is a cause of cancer. Studies hav

finlep [7]

Answer:

The correct answer is:

In the above example cancer is an independent variable. (b)

Step-by-step explanation:

In order to explain the choice made, let m first explain what independent and dependent variables are:

Independent variable: An independent variable is a variable that is under the direct control of the experimenter, and can be changed at will. In this example, the number of cigarettes or amount of tobacco smoked is the independent variable because it can be manipulated at will, to determine the outcome of the dependent variable.

Dependent variable: A dependent variable is a variable that the experimenter sets out to study. The independent variable is not under the direct manipulation of the experimenter but has values that come about as a result of the change of the independent variable. In this example, cancer is the dependent variable, because it is the result of the manipulation of the amount of tobacco.

Therefore, it is not true to say that cancer is the independent variable as seen in option b

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3 years ago