3 years ago

What are the scale factor and center of the dilation?

Mathematics

1 answer:

Dafna11 [192]3 years ago

4 0

Answer:

Step-by-step explanation:

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Tanzania [10]

Answer: x= 54

Step-by-step explanation:mathhhhh

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2 years ago

Please help asap 15 pts

liq [111]

= -9x - 12 - 4x

= - 13x - 12

Answer

a) - 13x - 12

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2 years ago

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During a concert the temperature should not rise above 40°C.

zaharov [31]

Answer:

the answer is 55

Step-by-step explanation:

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2 years ago

In a right triangle ABC, CD is an altitude, such that AD=BC. Find AC, if AB=3 cm, and CD=√2 cm.

Zielflug [23.3K]

Given that triangle ABC is right angle triangle. CD is altitude such that AD=BC

ABC is a right angle triangle so apply Pythogorean theorem

$AC^{2} + BC^{2} = AB^{2}$

$AC^{2} + AD^{2} = AB^{2}$ (Given that AD = BC)

$AC^{2} + AD^{2} = 3^{2}$ (Given that AB=3)

$AC^{2} + AD^{2} = 9$ ...(i)

ADC is a right angle triangle so apply Pythogorean theorem

$AD^{2} + CD^{2} = AC^{2}$

$AD^{2}+(\sqrt{2})^2= AC^{2}$

$AD^{2}+2= AC^{2}$

$AD^{2}=AC^{2} -2$ ...(ii)

Plug value (ii) into (i)

$AC^{2} + AC^{2}-2 = 9$

$2AC^{2} -2=9$

$2AC^{2} =11$

$AC^{2} =\frac{11}{2}$

$AC=\sqrt{\frac{11}{2} }$

Hence final answer is $AC=\sqrt{\frac{11}{2} }$

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