Answer:1
Step-by-step explanation:the y is a place holder instead of the digit 1 because there is only one y. Whitch is the same reason why the 2 isn’t 2x because the 2 is a place holder for how many x there are. The problem is showing you how much value each place holders have. (x,y)
The value of the expression is
.
Solution:
Given expression:

<u>To find the value of the given expression:</u>
Using exponent rule: 


Using exponent rule: 


Since 


Hence the value of the expression is
.
Answer:
a = -10
Step-by-step explanation:
89 + 10a + 2 = a + 1
91 + 10a = a + 1
9a = - 90
a = -10
Answer:
196.48
Step-by-step explanation:
Area of the semi-circle:
A= (πr^2)/2
A= (3.14 x 64)/2
A= 100.48
Area of triangle:
A= 1/2bh
A= 1/2(16)(12)
A= 96
96 + 100.48= 196.48
brainliest pls
3x+2=14
-2 -2
3x=12
/3 /3
X=4