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solniwko [45]
3 years ago
15

Thirty coins,all dimes and nickels,are worth $2.60. How many nickels are there?

Mathematics
1 answer:
quester [9]3 years ago
4 0

Answer: 12 nickels

Step-by-step explanation:

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Juan made a design with polygons. which polygon in juan's design is pentagon
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The pentagon is the one with 5 sides. Good Luck!

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ludmilkaskok [199]

A. C. D. E. F.

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What is the y-intercept of the function f(x)=4 - 5x?<br> -5<br> -4<br> 4<br> 5
Len [333]

Answer:

4

Step-by-step explanation: Its  4 becuase you plug in the zero like this'

f(x)=4-5(0)

f(0)=4-0

f(0)=4

So it will (0,4)

3 0
2 years ago
A segment with endpoints (5,8) and (-6,8) is rotated around the origin. How long will the new segment be?
Gekata [30.6K]
The segment was only rotated, not changed. It would be the same length as the original.

To find the length, use the distance formula.

\sqrt{ {(x2 - x1)}^{2}  + ( {y2 - y1)}^{2} }
(5, 8) would be point 1.

(-6,8) would be point 2.

Plug them into the formula.

\sqrt{( { - 6 - 5)}^{2}  + ( {8 - 8)}^{2}  }
Simplify.

\sqrt{( { - 11)}^{2}  + ( {0)}^{2} }
\sqrt{121 + 0}
\sqrt{121}
Square root this answer.
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Hope this helped!

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5 0
3 years ago
What is the area, in square yards, of the polygon shown?
Alexeev081 [22]

Answer:46


Step-by-step explanation:Regular polygons are shapes made of straight lines with certain relationships among their lengths. For instance, a square has 4 sides, all the same length. A regular pentagon has 5 sides, all the same length. For these shapes, there are formulas for finding the area. But for irregular polygons, which are made of straight lines of any length, there are no formulas, and you need to be a little creative to find the area. Fortunately, any polygon may be divided into triangles, and there is a simple formula for the area of triangles.


Label the vertices (points) of the polygon starting with 1 at an arbitrary vertex and continuing clockwise around the polygon. There should be as many vertices as there are sides. E.g. for a pentagon (five sides) there will be five vertices.


Draw a line from vertex 1 to vertex 3. This will make one triangle, with vertices 1, 2, and 3. If there are only 4 sides, it will also make a triangle with vertices 1, 3 and 4.If the polygon has more than 4 sides, draw a line from vertex 3 to vertex 5. Continue in this way until you run out of vertices.


Compute the area of each triangle. The formula for the area of a triangle is 1/2 * b * h, where b is the base and h is the height.


Add up the areas, and this is the area of the polygon.

3 0
3 years ago
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