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Vesna [10]
2 years ago
14

What is the surface area and what do I need to do?

Mathematics
1 answer:
kari74 [83]2 years ago
5 0

check the picture below, that's pretty much the same block, or "rectangular prism", with a width of 10, length of 5 and height of 1.


so anyhow, is really 6 rectangles stacked up to each other at the edges, so, we can simply get the area of each of those rectangles, add them up and that's the surface area.


front and back, two rectangles of  5x1

left and right, two rectangles of 1x10

top and bottom, two rectangles of 10x5


\bf \stackrel{\textit{front and back}}{2(5\cdot 1)}+\stackrel{\textit{left and right}}{2(1\cdot 10)}+\stackrel{\textit{top and bottom}}{2(10\cdot 5)}

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In at least 4 complete sentences explain what a reciprocal is in relation to fraction? and how you would find the reciprocal of
sveta [45]

To find the reciprocal of a fraction, you switch the numerator and denominator, for example the reciprocal of 2/5 is 5/2. With our mixed number, we convert to an improper fraction, 17/3Then we find the reciprocal, which is 3/17. I hope this helps!

3 0
2 years ago
Which inequality represents the values of x that ensure triangle ABC exists? a triangle with side lengths of 6.5 units, 3.5 unit
nikdorinn [45]

Answer:

1 < x < 7.5

Step-by-step explanation:

This problem can be solved using given below property of triangle.

Sum of two sides is always greater than third side of triangle.

Difference of two sides is always lesser than third side of triangle.

_______________________________________________

Given

sides length

6.5 units

3.5 units

Third side is 2.5 +  x

using the property, Sum of two sides is always greater than third side of triangle.

6.5 + 3.5 > 2.5 +x

=>10 >2.5 + x

=>2.5 + x< 10

=> x< 10 -2.5

=> x < 7.5

using the property, Difference of two sides is always lesser than third side of triangle.

6.5 - 3.5 >  2.5 +x

=>3.5 >  2.5 +x

=> 2.5 +x  > 3.5

=> x  > 3.5 - 2.5

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combining both we have

1 < x < 7.5

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8 0
2 years ago
Read 2 more answers
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PolarNik [594]
Find some graphing paper and graph away..
i.e. Sub in x = 0 and find what y = ?
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y = 3
So we know the coordinate (0,3)

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y = 4/2 + 3
y = 2 + 3
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So we know another coordinate (4, 5)

When x = -4, y = ?
y = 1/2(-4) + 3
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Putting it all together, the coordinates: (-4, 1) , (0, 3) and (4, 5) should be plenty sufficient to graph and then draw a line of best fit connecting them.
4 0
2 years ago
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