Answer:
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Step-by-step explanation:
Answer:
Bumby Avenue is represented by the line:
y = -4*x - 7.
Primrose Avenue can be represented with:
8x + 2y = 17.
We may want to find the point where both avenues intersect.
Let's isolate y in this second equation:
2y = 17 - 8x
y = 17/2 - 8x/2 = -4*x + 17/2
Now we can see that the equation for Primrose Avenue has the same slope than the equation for Bumby Avenue, and when two linear equations have the same slope, means that the lines are parallel.
Then we can conclude that Primrose Avenue and Bumby Avenue are parallel, so they never meet eachother.
The sum of all angles in a triangle has to be 180 so
180-90-73=17
The other non right angle is 17
Answer:
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Answer:
surface area of the triangular prism
(8×6)+(15×10)+(15×6)+(8×15)
48+150+90+120
408 m²
