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Nonamiya [84]
3 years ago
6

Can someone please help me?

Mathematics
1 answer:
Sliva [168]3 years ago
3 0

Answer:

a^{2}+b^{2} =c^{2} { Pythagorean Theorem}

{Division property of Equality}

sin 0=a/c{definition of sin0)

cos0=b/c{definition of cos0)

{Substitution}

Step-by-step explanation:

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Find the smallest zero of f(x+5)
podryga [215]

ANSWER

1. k=13

2. x=-10

EXPLANATION

The given function is

f(x) =  {x}^{2}   + 3x  - 10

To find f(x+5), plug in (x+5) wherever you see x.

This implies that:

f(x) =  {(x + 5)}^{2}   + 3(x + 5) - 10

Expand:

f(x) =   {x}^{2}    + 10x + 25+ 3x + 15- 10

Simplify to obtain

f(x) =   {x}^{2}    + 13x + 30

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f(x) =   {x}^{2}    + kx + 30

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k = 13

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{x}^{2}    + 13x + 30 = 0

{x}^{2}   + 10x + 3x + 30 = 0

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