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3 years ago

Hi:) for triangle inequalities , the sum of two sides of a triangle has to be greater than the third side.

Mathematics

1 answer:

Jet001 [13]3 years ago

8 0

Answer:

Step-by-step explanation:

Note :

Consider a triangle with sides‘s length a , b and c

triangle inequalities state that we must have c - a < b < c + a

now , is the third side always the longest ?

the answer is NO: (let’s take a counter example )

in a triangle with 2 sides‘s length 3 , 4

the third side could measure 2

because 4-3 < 2 < 4+3

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2 1/4 - 2/3. A. 1 3/7. B. 1 7/12. C 2 3/7. D 2 11/12

DedPeter [7]

Answer:

B.) $1\frac{7}{12}$

Step-by-step explanation:

$2\frac{1}{4} -\frac{2}{3} Then multiply 4 by 2, then add 1.frac{9}{4} - \frac{2}{3} \\$

Then find the Least Common Denominator(LCD); simply just multiply 4 by 3 to get 12; then multiply using the opposite number.

$\frac{3}{3} *\frac{9}{4} - \frac{4}{4} * \frac{2}{3}$

to get: $\frac{27}{12} - \frac{8}{12}$ .

now the denominators is the same on both sides, just subtract the numerator.

27 - 8 = 19

Now simply: $\frac{19}{12} = 1\frac{7}{12}$ .

Your final answer is 1\frac{7}{12}[/tex].

3 0

3 years ago

There are two pencils.One is 14 cm long,the other is x cm if x=10, what is the total length of the two pencils

Crank

Answer:

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7 0

3 years ago

What is the solution? y = 3x - 5 <br> y = 1\3*+3

PSYCHO15rus [73]

Answer:

Step-by-step explanation:

y = 3x - 5

y = 1/3x + 3

3x - 5 = 1/3x + 3....multiply everything by 3 to get rid of the fraction

9x - 15 = x + 9

9x - x = 9 + 15

8x = 24

x = 24/8

x = 3

y = 3x - 5

y = 3(3) - 5

y = 9 - 5

y = 4

solution is : x = 3 and y = 4...or (3,4) <==

3 0

3 years ago

What are the coordinates of the intersection of the diagonals of parallelogram LMNO, with vertices L(0,-3), M(-2,1), N(1,5), O(3

ArbitrLikvidat [17]

ANSWER

$\boxed {( \frac{1}{2} , 1)}$

EXPLANATION

The given parallelogram has vertices,

L(0,-3), M(-2,1), N(1,5), O(3,1).

The diagonals of the parallelogram bisect each other.

From the diagram, we can see that, the diagonals have coordinates L(0,-3),N(1,5)

and

M(-2,1),O(3,1).

The midpoint of any of the diagonals will give us the coordinates of intersection of the diagonals.

Recall the midpoint formula,

$(\frac{x_1+x_2}{2}, \frac{y_2+y_1}{2})$

Using L(0,-3),N(1,5) gives,

$(\frac{0+1}{2}, \frac{ - 3+5}{2})$

$(\frac{1}{2}, \frac{ 2}{2})$

$(\frac{1}{2}, 1)$

Or we could have also used,M(-2,1),O(3,1) to get,

$(\frac{-2+3}{2}, \frac{ 1+1}{2})$

$(\frac{ 1}{2}, \frac{ 2}{2})$

$(\frac{ 1}{2}, 1)$

The correct answer is C

6 0

3 years ago

Can someone please help me with math.

Mariana [72]

Answer:

12) 26x^2+22x+25

13) -15x^2-21x-11

14) x^2+32x+18

15) 9x^6+10x^5-15x^4+14

Step-by-step explanation:

5 0

2 years ago

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