Hello I would like help on my math homework, thanks!

Mathematics

1 answer:

Greeley [361]3 years ago

3 0

Since angle QST is 45°, RQST is a square.

Therefore, QR = QT = 6.2

P.S. Good job trying to do Trigonometry tho :D

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Gwar [14]

Answer:

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Step-by-step explanation:

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olchik [2.2K]

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2x + 12 = -2(4-2x)<br> X=10<br> X=-10<br> X=-5<br> X=5

Greeley [361]

Answer:

$\boxed{x = 10}$

Step-by-step explanation:

$= > 2x + 12 = - 2(4 - 2x) \\ \\ = > 2x + 12 = (( - 2) \times 4) - (( - 2) \times 2x) \\ \\ = > 2x + 12 = - 8 - ( - 4x) \\ \\ = > 2x + 12 = - 8 + 4x \\ \\ = > 2x - 4x + 12 = - 8 \\ \\ = > - 2x + 12 = - 8 \\ \\ = > - 2x = - 8 - 12 \\ \\ = > \cancel{-} 2x = \cancel{- }20 \\ \\ = > 2x = 20 \\ \\ = > x = \frac{20}{2} \\ \\ = > x = 10$