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vladimir1956 [14]
3 years ago
7

The lengths of two sides of a triangle are 15 and 20 feet long what's the other side

Mathematics
1 answer:
MArishka [77]3 years ago
3 0
<span>In a triangle the sum of two sides is always greater than the third side.
Let x represent </span><span>possible measures for the third side of a triangle
</span><span>
20-15 < x < 20+15
5 < x < 35  </span>← answer
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What is the solution to the equation –13+x = –4?<br> a. –17<br> b. 9<br> c. –9<br> d. 17
Debora [2.8K]
-13+9=-4
When you add a positive number to a negative number the answer will get closer to 0 and then progress up in positive numbers. In this case we are finding which of the numbers equals -4 when added to -13. Remember, if you add a negative to a negative you will get a negative.
-13+-17=-30 This is the wrong answer.
-13+-9=-21 This is the wrong answer.
-13+17=4 This is the wrong answer. (This is positive 4 we are trying to find -4)
-13+9=-4 This is the right answer
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6 0
3 years ago
−3(x + 3) = −3(x + 1) − 5.
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Step-by-step explanation:

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4 0
2 years ago
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8 0
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Hey there!

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I hope that this helps! Have an awesome day!

6 0
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