Answer:
The measure of arc DEF is 204°
B is correct
Step-by-step explanation:
In a circle center at O.
∠DOF and ∠DEF are lie on same base but ∠DOF at center and ∠DEF on circle.
Thus, ∠DOF = 2 ∠DEF
minor ∠DOF = 2 x 78 = 156°
We need to find arc DEF.
DEF is central angle of major∠DOF
major∠DOF + minor ∠DOF = 360° (Complete angle at center)
major∠DOF + 156° = 360°
major∠DOF = 204°
major∠DOF is arc DEF.
Hence, The measure of arc DEF is 204°
An arithmetic sequence<span> is a </span>sequence<span> with the difference between two consecutive terms constant. The difference is called the common difference. A </span>geometric sequence<span> is a </span>sequence<span> with the ratio between two consecutive terms constant. This ratio is called the common ratio.</span>
Answer: the percent of the books in the store that are discounted is 60%
Step-by-step explanation:
Let x represent the total number of books in the bookstore. If the bargain books make up 18 percent of the total number of books in the store, it means that the total number of bargain books in the bookstore is
18/100× x = 0.18x
Let y represent the number of books that have been discounted. 30 percent of the books that have been discounted are called bargain books. This means that
30/100 × y = × 0.18x
0.3y = 0.18x
y = 0.18x/0.3 = 0.6x
The percentage of the number of books that have been discounted would be
0.6x/x × 100/= 0.6×100 = 60%
Answer:
1)-6
2)-14
Which it's going to give you an answer of x=-2
Step-by-step explanation:
Hope this helps
Answer:
um
Step-by-step explanation:
