Answer: true
Step-by-step explanation:
I'm pretty sure that that the answer is:
√45 - √23 = √22
because you just subtract what's inside the square root box.
X+y=17 solve for a variable and plug into the 2nd equation
(x+3)/y=1 also could be written as x+3=y
x=17-y
17-y+3=y combine and add y over to other side
20=2y
y=10
plug back in x+10=17
x=7
so the original fraction is 7/10
Answer:
Step-by-step explanation:
Given
Required
Calculate the diameter
The area of a sector is:
Substitute values for Area and 
Divide both sides by 
Make 
the subject
Take positive square roots of both sides
The diameter is then calculated as:
Answer: The answer is 1 =n and my work is in the bottom and hope this help :)
Step-by-step explanation:
5n+7=7(n+l)-2n distributive property
5n+7=7n+7-2n Combines Like Term
5n+7= 12n subtract 5n to both side
-5n -5n
7 = 7n divide 7n to both side
7 7
1=n
