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padilas [110]
3 years ago
12

Need help with khan.

Mathematics
1 answer:
oee [108]3 years ago
8 0

Answer:

144

Step-by-step explanation:

10x+24°=6x+72°

10x-6x°=72°-24°

4x=48°

X=48°/4°

X=12°

Then, angle A=10x+24°

A=10×12+24°

A=144°

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Given the polynomial 2x3 + 18x2 − 18x − 162, what is the value of the coefficient 'k' in the factored form?2x3 + 18x2 − 18x − 16
s344n2d4d5 [400]

Answer:

k=3

Step-by-step explanation:

Let

f(x)=2x^3+18x^2-18x-162

We factor 2 to obtain;

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We factor the polynomial within the parenthesis by grouping.

f(x)=2(x^2(x+9)-9(x+9)

f(x)=2(x^2-9)(x+9)

f(x)=2(x^2-3^2)(x+9)

We apply difference of two squares on the second factor: x^2-3^2=(x-3)(x+3)

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We now compare to;

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It is now obvious that k=3

6 0
3 years ago
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andrew-mc [135]

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4 0
3 years ago
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<span>The Correct Answer is

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