Mathematics: Idk what to do can anyone help

Idk what to do can anyone help - id5099431, potatogirl9300

Ответ:

alyssacyamamoto8050

18.01.2022

Step-by-step explanation:

$\angle PTS\: \&\: \angle QTR$ are vertically opposite angles.

$\therefore \: \angle PTS\: = \: \angle QTR \\ \\ \therefore \: [11(y - 10)] \degree = (4y - 5)\degree \\ \\ \therefore \:11y - 110 = 4y - 5 \\ \\ \therefore \:11y - 4y = 110 - 5\\ \\ \therefore \:7y = 105 \\ \\ \therefore \:y = \frac{105}{5} \\ \\ \huge \red{ \boxed{\therefore \:y = 15}} \\ \\ \therefore \: m\angle PTS\: =[11(y - 10)] \degree \\ = [11(15- 10)] \degree \\ = [11 \times 5] \degree \\ \huge \orange{ \boxed{\therefore \: m\angle PTS\: = 55 \degree}}$

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Ответ:

scottcourtney460

10.05.2020

Mathematics

I think question should change like this.

(5a-4b)(5a+4b)

(5a)(5a+4b) + (-4b)(5a+4b)

25a² + 20ab - 20ab -16b²

25a²- 16 b²

Step-by-step explanation:

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Idk what to do can anyone help

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