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irina [24]
3 years ago
14

What is the value of x?

Mathematics
1 answer:
Ket [755]3 years ago
6 0

Answer:

12

Step-by-step explanation:

As we can see in the picture, the bigger pentagon is a scale copy of the smaller one with a scale factor of 2. Hence, all the sides on the smaller pentagon multiplied by 2 gives us the bigger pentagon. We can find the scale factor by looking at the biggest side of the pentagon. Hope this helped, Thank you.

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erma4kov [3.2K]
This is the answer to it

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Which of the following describes the zeroes of the graph of f(x) = –x5 + 9x4 – 18x3?
Flura [38]

Answer:

0 with multiplicity 3, 3 with multiplicity 1, and 6 with multiplicity 1.

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Answer:

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3 years ago
It says: Find the surface area of the rectangular prism with l=16 m, w=19 m, annd h = 2 m
ratelena [41]
The surface area of a rectangular prism needs an formula.
For a rectangular prism you have to understand some about the shape.
It is a 3D shape consisting of 6 sides
all are rectangles
to determine the area of one rectangle is the base multiplied by the height or in this case length times with.
but you also need to account for all sides and the height.
so the Surface area formula would be like
sa = l \times w + l \times h + w \times h
this accounts for 3 of the sides of the rectangular prism.
the top,bottom,and side.
so to get the surface area of a rectangle prism you must mutiply each side by 2 to account for all sides of the rectangular prism.
so the surface area formula for a rectangular prism is
SA = 2\\  \times l \times w +2 \times l \times h+2 \times h \times w
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{m}^{2}
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3 years ago
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