2 years ago

If ABD = (2x – 7)°, DBC = (8x + 16)°, and ABC = 159º, find ABD.

1 answer:

4 0

Step-by-step explanation:

ABD+DBC+ABC =180° ( TRIANGLE)

(2x-7)°+(8x+16)°+159=180°

2x+8x-7°+16°+156=180

10x+165=180

10x=180-165

10x=15

x=15/10

x=1.5

You might be interested in

Dahasolnce [82]

Answer:

Step-by-step explanation:

8 0

1 year ago

Mazyrski [523]

Answer:

130

Step-by-step explanation:

3*10 =30+100=130

4 0

3 years ago

professor190 [17]

the answer for x is 76.4. the way to find it is by dividing 458.4 by 6 to find x s value.

6 0

3 years ago

sergij07 [2.7K]

Daria has 12 to 15 nickels because 3x3=9 but u want to double the amount which would be 12 to 15

3 0

3 years ago

miv72 [106K]

7 0

3 years ago