3 years ago

PLEASE SOLVE FOR X WITH A SHORT STEP BY STEP

Mathematics

2 answers:

valkas [14]3 years ago

7 0

Answer: 90 - 15-57 = 18 18 is your answer hope this helped

Step-by-step explanation: plz make brainly

Ket [755]3 years ago

6 0

Answer:

8.17

Step-by-step explanation:

Cos(57)=x/15

15xcos(57)=x

8.17=x

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Step-by-step explanation:

$(3x^2 + 3)^3 = (3x^2)^3 + 3^3 + 3((3x^2)^2)(3) + 3(3x^2)(3^2)$

$= 27x^6 + 27 + 3(9x^4 \times 3) + 3(3x^2 \times 9)\\\\=27x^6 + 27 + 81x^4 + 81x^2\\\\=27x^6 + 81x^4 + 81x^2 + 27\\\\$

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