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Alona [7]
3 years ago
6

Can a triangle have sides of lengths 9,17,15? Show why or why not.

Mathematics
1 answer:
Elden [556K]3 years ago
6 0

Answer:

A triangle has 3 sides: a, b, c satisfying inequalities below:

=> a + b > c > |a - b|

=> b + c > a > |b - c|

=> c + a > b > |c - a|

9, 15, 17 satisfy the inequalities above (you can check it easily).

Hope this helps!

:)

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Need help finding out something, refer to picture
Alja [10]

Answer:

He made a mistake in the second line.

Step-by-step explanation:

He factored out x out of 6-2x and 5+4x, which is not possible because there is not an x in both 6 and 5.

8 0
3 years ago
Read 2 more answers
a line passes through (9, –9) and (10, –5).write an equation for the line in point-slope form. rewrite the equation in standard
Cerrena [4.2K]
The equation of the line in point-slope form is given by:
 y-yo = m (x-xo)

 Where,
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 m: slope of the line
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 m = \frac{y2-y1}{x2-x1}
 Substituting values:
 m = \frac{-5-(-9)}{10-9}
 Rewriting:
 m = \frac{-5+9}{10-9}
 m = \frac{4}{1}
 m=4
 Now we choose an ordered pair:
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 Substituting values we have:
 y-(-5)=4(x-10)
 y+5=4(x-10)
 We now rewrite the equation in its standard form:
 y = mx + b

 Where,
 b: cut with the y axis.
 We have then:
 y = 4x - 40 - 5

y = 4x - 45
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 point-slope form:
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 or
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 standard form
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3 0
3 years ago
A metal plate is 8.431 centimeters wide. Which is this measure written in word form?
vagabundo [1.1K]

Answer:

Eight and one hundred thirty-four thousandths

Step-by-step explanation:

Thats how u write it in word form! i hope this helped :)

6 0
3 years ago
What is the product of (5× + 1)(5x - 1)?
padilas [110]

we are given

(5x + 1)(5x - 1)

we can distribute it

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25x^2-5x+5x-1

now, we can simplify it

25x^2-1...............Answer

6 0
3 years ago
What is angle 2 equal to
Aleks [24]
60 degrees since it near a isosceles triangle 
7 0
3 years ago
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