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satela [25.4K]
3 years ago
13

Help with number 6. A through F

Mathematics
1 answer:
Elodia [21]3 years ago
3 0
A) always

Example
-3+(-3)= -9

B) never

C) never
D) always
E)never
F)sometimes



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A triangle has sides of lengths 13, 21, and 24. is it a right triangle? explain
mel-nik [20]
<span>No, it doesn't. To find out if it's a right angled triangle, we use Pythagorean triple. It states that the square of the hypotenuse (the longest side) is equal to the sum of the squares of the opposite and adjacent sides. Obviously, the longest side, which is our hypotenuse is 24. So we want to find out whether the square of our hypotenuse is equal to the sum of the squares of the other two sides i. e 13 and 21. 24^ 2 = 576 ; 13^2 = 169 ; 21^2 = 441; So is 576 = 169 + 441. An emphatic No: hence the triangle isn't right angled since it doesn't satisfy pythagorean triple.. A^2 is not equal to B^2 + C^2 where a is the hypotenuse and b and c the opposite and adjacent sides.</span>
8 0
3 years ago
WHAT IS PRODUCT OF (6X+5)(X^2-2X+1)
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4 0
3 years ago
The graph of f(x)=ax^2 is narrower than the graph of g(x)=dx^2 when a&lt;d
Lynna [10]

Answer:

Step-by-step explanation:

as given in question that a > 0 so

if we put a=1

we get g(x) = f(x)

now put a =2

we get

g(x) = 2 f(x)

here we can see that g(x) would always be greater than or equals to f(x)

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What’s the common difference for this arithmetic sequence
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52 - 37 = 15
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The common difference for this arithmetic sequence is 15.

Answer: C.
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The total distance that Dominik will have to walk is the sum of the length of the escalator and the distance that the escalator has traveled. Let t be the time it will take him to reach the top of the escalator. The equation that best models the situation is,
                          225 ft + (82 ft/min) x t = (106 ft/min) x t
The value of t is 9.375 minutes. 
5 0
3 years ago
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