Answer:
<7 = 47, 2x - 5 + 47 = 180, x = 69
Step-by-step explanation:
<5 and <7 are vertical angles, which means that they have the same degree.
<7 + <6 = 180. <6 = 2x - 5. 2x - 5 + 47 = 180.
Solve
2x - 5 + 47 = 180
2x + 42 = 180
2x = 138
x = 69
Answer:
Step-by-step explanation:
You have

apples left.
You have 5 whole apples, you took one whole apple out, which equals 4 whole apples left. Then with the whole apple you took out, you ate

of it.
Jack ate
of an apple in 5 apples. If you say that Jack ate

of 3 apples, then he ate

apples. So there isn't any difference when he ate

of an apple.
Answer: There are 160 different rings.
Step-by-step explanation:
The question is missing, i guess you want to know the number of different rings that the jewelry has:
For the material we have 2 options.
For the stile we have 8 options
For the gem we have 10 options.
Now, the total number of possible combinations is equal to the product of the number of options for each selection, this is:
Combinations = 2*8*10 = 160