Answer:
-5/8
Step-by-step explanation:
First find the least common denominator. It is 8.
1/8- 2/8- 4/8
Answer:
76,
Step-by-step explanation:
If you divide 57 by 3, you get 19. If you times 19 by 4 that is the total number of students there were in all.
Answer:
a = 7
Step-by-step explanation:
3(1 - 2a) = -3a - 18
3 - 6a = - 3a - 18
Add 18 to each side:
3 + 18 - 6a = - 3a - 18 + 18
21 - 6a = - 3a
Add 6a to each side:
21 - 6a + 6a = - 3a + 6a
21 = 3a
3a = 21
Divide each side by 3:
3a ÷ 3 = 21 ÷ 3
a = 7
All i know is that if the radius of a circle is 4 feet, the the diameter is 8 feet. Sorry, I don't know the rest.
Answer:
21 pencils
Step-by-step explanation:
b 21 pencils
