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CaHeK987 [17]
3 years ago
14

Mario's company makes unusually shaped imitation gemstones. One gemstone had 10 faces and 12 vertices. How many edges did the ge

mstone have ?
Mathematics
1 answer:
igor_vitrenko [27]3 years ago
5 0
I think 20 but not sure (:
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The answer of the puzzle is? <br> PLEASEEE HELPPP ILL MARK BRAINLY
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Find the values of &lt; and y.<br> (8x + 7)<br> 5yº<br> (7y -- 34)<br> = (2x - 4)^
Lilit [14]

Answer:

x = 11

y = 17

Step-by-step explanation:

We know that opposite angles (or vertical angles) are equal.

So

8x + 7 = 9x - 4

Subtract 8x from both sides of the equation

8x - 8x + 7 = 9x - 8x - 4

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6 0
3 years ago
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Akimi4 [234]

Answer:

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2 years ago
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jekas [21]
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3 years ago
A delivery truck is transporting boxes of two sizes: large and small. The large boxes weigh 50 pounds each, and the small boxes
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So this is how we are going to solve for the given problem above.
Given that x = number of large boxes
and 120-x = number of small boxes.
So here is the solution:
50x + (120-x)20 = 4050
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30x = 4050 - 2400
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6 0
3 years ago
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