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dezoksy [38]
2 years ago
6

The endpoints of one side of a regular pentagon or -1, four and two, three what is the perimeter of the Pentagon

Mathematics
1 answer:
forsale [732]2 years ago
8 0

Answer:

Step-by-step explanation:

(-1,4),(2,3)\\ \\ s^2=(-1-2)^2+(4-3)^2\\ \\ s^2=9+1\\ \\ s^2=10\\ \\ s=\sqrt{10}\\ \\ p=5s\\ \\ p=5\sqrt{10}\ exact\\ \\ p\approx 15.8

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A student builds a model of a high-rise for a diorama for an architecture class. The model is a perfect cube and the total volum
anzhelika [568]
Volume = length x width x height

Thus, you need to find the cubic root of 500....the number that when multiplied by itself three times = 500,

There are different ways to write this. \sqrt[3]{500}
= \sqrt[3]{125 * 4}
= 5\sqrt[3]{4}

You can also show it as a decimal using a calculator = 7.94
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2 years ago
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Aleksandr-060686 [28]
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Ralph is 3 times as old as Sara in 4 years Ralph will be twice as old as Sara will be then. Find Ralph’s age now.
Xelga [282]

Answer:

3x+4 Ralph is currently 12 years old.

Step-by-step explanation:

You can find the equation by reading the scenario given. When you read it, it says that Ralph is 3 times as old as Sara and since her current age is going to be used to represent x you will first get 3x. That automatically eliminates the second and third choice given. It then says the equation is for Ralph's age in four years which means to add four to the equation. This gives you 3x+4 as your equation.

When something is tripled and then in a few years it is doubled, it is easiest to first try the number that is being added. So in this case the number is four. When you multiply 4 by 3 you get 12. If Sara is 4 she'll turn eight in four years and if Ralph is 12 he'll turn 16 in four years. 16 divided by 2 is 8 which shows you that Ralph is currently 12

6 0
3 years ago
The Baltimore Zoo feeds their elephants a combination of fruit and grass. The zookeeper would like to create a model to represen
Anika [276]

A function can be represented on a table and on a graph.

The models of the linear relationship between f(x) and x are:

\mathbf{A.\ f(x) = 30x + 22}\\\mathbf{C.\ The\ table}\\\mathbf{F.\ The\ graph}

The given parameters are:

\mathbf{Start = 22}

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So, the function that models the linear relationship is:

\mathbf{f(x) = Start + Additional \times x}

Substitute known values

\mathbf{f(x) = 22 + 30 \times x}

Evaluate all products

\mathbf{f(x) = 22 + 30x}

Rewrite as:

\mathbf{f(x) = 30x + 22}

By comparing the above function to the list of options, we have the true options to be:

\mathbf{A.\ f(x) = 30x + 22}\\\mathbf{C.\ The\ table}\\\mathbf{F.\ The\ graph}

Read more about linear functions at:

brainly.com/question/20286983

4 0
2 years ago
z varies directly with x^2 and inversely with y. When x = 2 and y = 4, z = 3. What is the value of z when x = 4 and y = 9?
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Attached the solution and work.

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3 years ago
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