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valentinak56 [21]
3 years ago
14

Is a triangle with side lengths 8 in, 12 in, and 14 in a right triangle? explain

Mathematics
2 answers:
yKpoI14uk [10]3 years ago
6 0
Its 17 15 and 8 i just did that on a test as well
srry no explanation :(
Harman [31]3 years ago
6 0
No because a right triangle has at least one side that measures 90<span>°</span>
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Which graph shows the system<br> 1 x² + y = 2<br> x² + y² = 9
BartSMP [9]

Answer:

The graph of the system in the attached figure

Step-by-step explanation:

we have

x^{2}+y=2

isolate the variable y

y=-x^{2}+2 ----> equation A

This is the equation of a vertical parabola open down (because the leading coefficient is negative)

The vertex represent a maximum

the vertex is the point (0,2)

x^{2} +y^{2}=9 ---> equation B

This is the equation of a circle centered  at (0,0) with radius 3 units

The solution of the system of equations is the intersection points both graphs

using a graphing tool

The solutions are the points (-2.05,-2.19) and (2.05,-2.19)

see the attached figure

5 0
3 years ago
Bearings Problem Solving Question:
Lynna [10]

9514 1404 393

Answer:

  a) 123.4°

  b) 3.3 km

Step-by-step explanation:

In (N, E) coordinates, Boat 1 is located relative to the lighthouse at ...

  2(cos(60°), sin(60°)) = (1.0, 1.732) . . . . . km

Boat 2 is located at ...

  3(cost(340°), sin(340°)) = (2.819, -1.026) . . . . . km

So, relative to Boat 2, Boat 1 is located at ...

  (1, 1.732) -(2.819, -1.026) = (-1.819, 2.758) . . . . . km

This is at a bearing of ...

  arctan(2.758/-1.819) = 123.4°

and a distance of ...

  √(1.819² +2.758²) ≈ 3.304 . . . . . km

a) Boat 2 would need to travel on a bearing of 123.4°.

b) Boat 2 would need to travel 3.3 km.

_____

<em>Additional comment</em>

We use (North, East) coordinates so we don't have to do the mental gyrations necessary to translate to and from (E, N) coordinates. The latter would correctly orient a map relative to the X-Y Cartesian plane. The former are equivalent to flipping the map over and looking at it from the back side. This is a "rigid transformation", so angles and distances remain unchanged.

7 0
3 years ago
18+17+16+15+14+13+12+11+10 what is the answer​
telo118 [61]
Answer to the math question is:
126
4 0
3 years ago
3. Armen los siguientes prismas a partir de los que construyeron con su material recor
KiRa [710]

Answer:

can you translate to english

Step-by-step explanation:

I can't understand

6 0
3 years ago
What does 74% of 160<br> Equal
Yuliya22 [10]

Answer:

Step-by-step explanation:

74% of 160 = 118.4

5 0
3 years ago
Read 2 more answers
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