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Dmitry [639]
3 years ago
14

Which set of measurements could be the side lengths of a triangle?

Mathematics
1 answer:
Artist 52 [7]3 years ago
6 0
We know that
Triangle Inequality Theorem establishes that the sum of the lengths of any two sides of a triangle<span> is greater than the length of the third side
</span>so
case <span>A. 5M, 11M, 7M
5+11 > 7----> ok
11+7 > 5 ---> ok
5+7 > 11----> ok

case </span><span>B.10 m, 4 m, 5 m
5+4 > 10-----> is not ok

case </span><span>C.8 m, 4 m, 4 m
4+4 > 8----> is not ok

case </span><span>D.6 m,11 m, 5 m
6+5 > 11-----> is not ok

the answer is
</span><span>A. 5M, 11M, 7M</span>
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(x+y,x-2y)=(4,1), find x and y
gtnhenbr [62]

Answer:

x =3 and y =1

Step-by-step explanation:

( x+y , x-2y) = (4 , 1)

compare their corresponding elements

x+y = 4

y = 4 - x         equation (i)

x-2y =1

substitute the value of x

x - 2(4 - x) =1

x - 8 + 2x =1

3x = 1 +8

x = 9/3

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y = 4 - x

y = 4 - 3

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3 years ago
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Feliz [49]

Answer:

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Step-by-step explanation:

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3 years ago
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When multiplying a-3 over 2a^2-7a and 4a-14 over a+3, what are the term(s) that can be cancelled
earnstyle [38]

is the equation in the question written like the one in the bottom? Because for me to help you I must confirm what the equation looks like.


\frac{a-3}{2a^{2} -7a} × \frac{4a-14}{a+3}

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A = b + c / d <br><br> What does b equal ???
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Step-by-step explanation:

5 0
3 years ago
Please help i suck at these
vaieri [72.5K]

Answer:

1st Option;

j = 4.5

k = 2

Step-by-step explanation:

Let's solve for "j" first:

=> We know that by the definition of midpoint segment theorem we can say;

3j = 5j - 9

0 = 5j - 3j - 9

0 = 2j - 9

0 + 9 = 2j

9 = 2j

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=> Now that we have j-value we use the same method to solve for k-value;

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Therefore;

j = 4.5

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<u>So the first option would be correct!</u>

Hope this helps!

8 0
3 years ago
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