Answer: y = 7
Step-by-step explanation:
√8y - 7 = 7
(√8y - 7)^2 = (7)^2
8y - 7 = 49
+7. +7
8y = 56
Y = 7
You need to change 15% to a decimal and multiply it by 25
25 x 0.15 = 3.75
Then add 3.75 to 25 to get the total
25 + 3.75 = 28.75
So, the answer is 28.75$
Hope it helps :)
Answer:
no
Step-by-step explanation:
14:8 = 14/8 = 7/4
28:10 = 28/10 = 14/5
Since the fractions are not equal, it is not a proportion.
Answer: no
Answer:
The area of the shaded region= 37.68
Step-by-step explanation:
Area of the outer circle= 2* 3.14* 36 (Area of the circle=2
r)
=113.04
Area of the inner circle=2*3.14* 12
=75.36
Area of the shaded region= Area of the outer circle- Area of the inner circle
= 113.04- 75.36
=37.68
Answer:34.7 55.3
Step-by-step explanation: Complementery angles mean that they add to 90 degrees so we can repersent that in the equation x=(90-x)-20.6 first lets add like terms x=69.4-x (nice) now lets add x to each side 2x=69.4 now to get rid of the two lets divide by 2 on each side x=34.7. The angle that is 20.6 degrees less than its complementary angle has been found, to find the other angle add 20.6 degrees to the one we just found.
