This falls under geometry. The two labeled angles are congruent, which means the line segment between them (AD in the image) is a bisector of the angle at vertex A. Use the angle bisector theorem, which says that

$\dfrac{BD}{DC}=\dfrac{AB}{AC}\iff\dfrac{12}{(5+9x)-12}=\dfrac{15}{25}$

$\dfrac{12}{9x-7}=\dfrac35$

$20=9x-7$

$x=3$

8 0

3 years ago

Need help with this asap

valentina_108 [34]

Answer: the first one is exponential and the second one is function

6 0

2 years ago

Thomas earns $8.75 per hour grooming dogs. He wants to go to the movies with a $50 this weekend. Which equation can he use to fi

sveta [45]

Answer:

8.75h = 50

Step-by-step explanation:

h is the number of hours Thomas needs to groom the dogs.

The rate is $8.75 per hour.

His goal is $50.

$8.75 × h = $50

$8.75h = $50

6 0

2 years ago

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