Y-2y8y-6 is equivalent to: A)0 B)1 C)-1 D)y^3
1 answer:
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Answer:
1) (n+5)(n-1)
2) (n-4)(n+3)
3) (v-4)(v-1)
4) (p-4)(p+2)
5)(7x-10)(x+1)
6)(7n-1)(n-9)
Step-by-step explanation:
1) Factors of -5 that add up to 4
2) Factors of --12 that add up to -1
3) Factors of 4 that add up to -5
4) Factors of -5 that add up to 4
5) 7-3x-10
7+7x-10x-10
7x(x+1)-10(x+1)
(7x-10)(x+1)
6)7-64n+9
7-63n-n+9
7n(n-9)-(n-9)
(7n-1)(n-9)
Answer:
see explanation
Step-by-step explanation:
Given
tan a = =
We require the hypotenuse h
Using Pythagoras' identity
h² = 9² + 40² = 81 + 1600 = 1681 ( take square root of both sides )
h = = 41 , thus
sin a = =
cos a = =