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mart [117]
3 years ago
15

Is it possible to construct a triangle with side lengths of 6 yards, 7 yards, and 15 yards? Why or why not?. . A.. No, because 6

+ 7 > 15.. B.. Yes, because 6 + 7 < 15, 7 + 15 < 6, and 6 + 15 < 7.. C.. No, because 6 + 7 < 15.. D.. Yes, because 6 + 7 > 15, 7 + 15 > 6, and 6 + 15 > 7.
Mathematics
1 answer:
weqwewe [10]3 years ago
3 0
The triangle inequality theorem states that a side of a triangle cannot be greater than the sum of the other two sides.The sums of the pair of sides are shown: 6 + 7 = 13, 7 + 15 = 22, and 6 + 15 = 21. Therefore, the answer to this item is letter "C. no, because 6 + 7 < 15".
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3 years ago
Damien has 30 coins, all nickels and dimes. The total value of all these coins is $2.05. How many nickels does he have?
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Hi there!

nickels:19

We know that there is only nickels and dimes in his coin collection..

<u><em>1.Multiply two terms:</em></u>

<u><em /></u>10<u><em>·</em></u>10=1.00<u><em /></u>

<u><em>Then there would be 20 nickels but 1+1=2 not 2.05.</em></u>

<u><em>2.Multiply the terms:</em></u>

<u><em /></u>11<u><em>·</em></u>10=1.10<u><em /></u>

<u><em /></u>19<u><em>·</em></u>5=0.95<u><em /></u>

<u><em>3.Combine the two terms:</em></u>

<u><em /></u>1.10+0.95=2.05<u><em /></u>

Therefore, there would be 19 nickels...

<u><em /></u>

4 0
3 years ago
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