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alex41 [277]
3 years ago
6

Two sides of a triangle measure 3 inches and 9 inches. which inequality represents all the possible lengths of the third side of

the triangle, x?
Mathematics
1 answer:
den301095 [7]3 years ago
7 0
Well, there must be always a property followed in this case

that is sum of two sides will always be greater than third

so, 3, 9 , 7  or 3,9,8  or 3,9,9 or 3,9,10  or 3,9,11 

hope it helped


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frez [133]

Answer:

314 large cups

Step-by-step explanation:

72x4.35=313.2

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3 years ago
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bogdanovich [222]

Step-by-step explanation:

Given c = longest of triange = 15m

Given b = short side of triangle = 9m

By pythagoras' Theorem,

{c}^{2}  =  {a}^{2}   +  {b}^{2}  \\  {a}^{2}  +  {b}^{2} =  {c}^{2}   \\  {a}^{2}  +  {(9)}^{2}  =  {(15)}^{2}  \\  {a}^{2}  + 81 = 225 \\  {a}^{2}  = 225 - 81 \\  {a}^{2}  = 144 \\ a =  \sqrt{144}  \\  = 12m

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Nola hiked down a trail at a steady rate for 10 minutes. Her change in elevation was -200 feet. Then she continued to hike down
DedPeter [7]

The <em><u>correct answer</u></em> is:

The faster rate is when she hiked down 200 feet in 10 minutes.

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The rate of change is given by the change in y over the change in x; in this case, the change in elevation over the change in time.

For the first part of the hike, the change in elevation was -200 and the change in time was 10; this gives us a rate of change of -200/10 = -20.

For the second part of the hike, the change in elevation was -300 and the change in time was 20; this gives us a rate of change of -300/20 = -15.

She hiked downhill faster during the first part of the hike, at 20 feet per minute.

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