PLease help me with geometry

Mathematics

1 answer:

RoseWind [281]3 years ago

4 0

A. is given, B is RQ, C. is line PQ parallel line RS

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Solve this equation using the radical equation method

Yuki888 [10]

The domain:
$3x+6\geq0\ \ |-6\\3x\geq-6\ \ \ |:3\\x\geq-2\\\\D:x\in\left< -2;\ \infty\right)$

$2x=\sqrt{3x+6}-1\ \ \ |+1\\\\2x+1=\sqrt{3x+6}\ \ \ \ |^2\\\\(2x+1)^2=\left(\sqrt{3x+6}\right)^2\ \ \ |use:\ (a+b)^2=a^2+2ab+b^2\\\\(2x)^2+2\cdot2x\cdot1+1^2=3x+6\\\\4x^2+4x+1=3x+6\ \ \ \ |-3x-6\\\\4x^2+x-5=0\\\\4x^2-4x+5x-5=0\\\\4x(x-1)+5(x-1)=0\\\\(x-1)(4x+5)=0\iff x-1=0\ \vee\ 4x+5=0\\\\x=1\ \vee\ 4x=-5\\\\x=1\in D\ \vee\ x=-1.25\in D$

$Answer:\ \boxed{x=-1.25\ \vee\ x=-1}$

6 0

3 years ago

Alguien que me ayude con esto :(

NNADVOKAT [17]

Answer:

5tyg5frhhu

Step-by-step explanation:

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3 years ago

TV and YW are parallel lines.

Lemur [1.5K]

Answer: C, WXZ and WXU are adjacent angles.

Step-by-step explanation:

A is incorrect because TUX and VUS are vertical angles.

B is incorrect because YXZ and TUX have no relationship.

C is correct because WXZ and WXU are supplementary angles, thus adjacent.

D is inccorect because VUX and TUS are vertical angles.

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3 years ago

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lakkis [162]

Answer:

the transfer of energy from one organism to another

Step-by-step explanation:

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3 years ago

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strojnjashka [21]

Answer: Answer is f(x) = 25x4 - 7x2 + x + 4

Step-by-step explanation:

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3 years ago

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