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Give Brainly point 20
1 answer:
Step-by-step explanation:
The two triangles are similar because if you take the ratio of their legs, they are the same. Note that

For the other triangle,

As you can see, they have the same ratio therefore the two triangles are similar.
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Answer:
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Step-by-step explanation:
Answer:
Step-by-step explanation:
9x⁴ – 2x² – 7 = 0
Let's say that u = x²:
9u² – 2u – 7 = 0
Factor:
(u – 1) (9u + 7) = 0
u = 1, -7/9
Since u = x²:
x² = 1, -7/9
x = ±1, ±i √(7/9)
Answer:
I'm bad at math
Soo sorry
Answer: I linked the graph but the intersection point is x= -1
Step-by-step explanation: