Answer:
Step-by-step explanation:
7a + 33° = 10a - 12° ( being vertically opposite angle )
33° - 12° = 10a - 7a
21° = 3a
a = 21/3
a = 7°
Now,
6b - 42 = 3b ( vertically opposite angle )
6b - 3b = 42°
3b = 42°
b = 42/3
b = 14
hence , the value of a is 7°and b is 14°...
☘☘☘....
To find the average of three scores, add the three scores and divide the sum by 3. Let the score of the third test be x.
Answer: The score must be at least 88.
Answer:
a
Step-by-step explanation:
source: trust me bro
<span>If a spinner has 9 equally-sized slices, then there is an equal chance of the spinner landing on any one of those slides. If, as in this case, there are 7 white slices and 2 black slices, then the chance of the spinner landing on a black slice is 2/9. And, to answer the question, the odds of landing on a white slice are therefore 7/9, or about 78%.</span>
Answer:
15 classes
Step-by-step explanation:
Let
x -----> the number of class
y ----> the total amount in charges
we know that
The total charge is equal to the number of class multiplied by the additional fee plus the membership fee (only members)
so
<em>Members</em>
-----> equation A
<em>Non Members</em>
-----> equation B
Equate equation A and equation B
Solve for x