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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 difference of two numbers is 15.The larger number is 1 more than 3 times the smaller number. Find the two numbers
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Answer:

Step-by-step explanation:

2) let the two numbers be x and y

x-y =15

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x = 3 (y)+1

i.e. x-3y =1

Subtracting we get

2y =14 or y =7

x =15+7 =22

Larger number is 22 and smaller number is 7

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Alysha is 2 years younger than Bryce/

Let Alysha be x years old then Bryce would be x+2

Sum of their ages

=x+x+2 =28

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5 0
3 years ago
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Answer:

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93.5÷5.5=17

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8 0
3 years ago
Two identical number cubes are shown in the picture below. The edge length of these number cubes is 4 centimeters: What is the c
meriva

Answer:

d. 128 cm^3

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Answer:  [C]:  "<span> 8x</span>⁷<span> + 3x</span>⁶<span> + x</span>⁵<span> + 5x</span>⁴<span> − 2x</span>³<span> </span>" .
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