What it means for an answer to be extraneous ?

Mathematics

2 answers:

Ratling [72]3 years ago

8 0

This means the answer is off topic or way off point

Serhud [2]3 years ago

6 0

It means that the answer is unsrelated to the topic. You think it is an answer that is outside the box.

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Help!! tell whether the triangle is a right triangle- i don’t need an explanation thank you!!

miv72 [106K]

Answer:

1.) Right triangle

2.) Not right triangle

3.) Not right triangle

4.) Not right triangle

5.) Right triangle

6.) Right triangle

Step-by-step explanation:

The ones that are a right triangle have at least one angle that has an L shape

8 0

2 years ago

Drag the system of equation to the point that represents the solution to the system.

expeople1 [14]

Solving of the system equation: 2x-y=-13 ⇒(1) and y=x+9 ⇒(2)
by substituting from (2) at (1)
2x-(x+9)=-13
2x-x-9=-13
x=-4 ⇒ substituting at (2) ∴ y = -4+9 = 5
The point that represents the solution to the system = (-4,5)
========================================================

solving of the system equation: 3x+2y=10 ⇒(1) and 6x-y=10 ⇒(2)
by multiplying equation (2) ⇒ 12x-2y=20 ⇒(3)
adding (1) and (3)
 15 x = 30 ⇒ x=2
from equation (2) 6x-y =10 ⇒⇒⇒ y = 6x-10 =12-10=2
The point that represents the solution to the system = (2,2)
=======================================================

solving of the system equation: 4x-3y=5 ⇒(1) and 3x+2y=-9 ⇒(2)
solve for x, y
we find x=-1 and y=-3

The point that represents the solution to the system = (-1,-3)
=======================================================
solving of the system equation: x+y=7 ⇒(1) and x-y=-1 ⇒(2)
adding (1) and (2)
 2x=6 ⇒⇒⇒ x = 3
substitute at (1)
 y =7-x=7-3=4
The point that represents the solution to the system = (3,4)
=======================================================
solving of the system equation: y=3x-7 ⇒(1) and y=2x-5 ⇒(2)
equating (1) and (2)
solve for x and y
we find x=2 ⇒⇒⇒ y = -1
The point that represents the solution to the system = (2,-1)
=======================================================

The system equation : y = 6 and x =-5
The point that represents the solution to the system = (-5,6)
=======================================================
The attached figure represent a conclusion for the answer