Answer:
a. 14
b. 28
Step-by-step explanation:
a. ex: (6+3)2 - 4 = 9(2) - 4
18 - 4 = <u>14</u>
b. ex: 23 + (14 - 4) / 2
Use PEMDAS
P 1st
10
D over A
5
A
<u>28</u>
<em><u>Hope this helps!</u></em>
Answer:
A. 
B. 
Step-by-step explanation:
Given

Required
Determine equivalent ratios:

First, we simplify the ratio to the least possible


By comparison with the given options, we have A and B as answer.
See Proof Below
Proof: A
Compare this to the simplified ratio (given), we have:
= 
Proof B

Simplify the ratio to the least possible


Compare this to the simplified ratio (given), we have:
= 
Answer:
88 cm²
Step-by-step explanation:
w = x
l = x + 3
P = 38
We know that
, so we substitute known values:

Therefore, we know that the width (x) is 8 cm and the length (x + 3) is 8 + 3 = 11 cm. To verify, we can check that the perimeter equals 38:
8 + 11 + 8 + 11 = 38. <em>Check.</em>
Thus, the area of the rectangle is:

Therefore, the area is 88 cm².
For the answer to the question above, the slope of segment AC is (-6/22) = -3/11.
The slopes of perpendicular lines are negative reciprocals, so
you know that the slope of the perpendicular bisector will be 11/3.
The midpoint of segment AC is (7, -5).
Now you have the slope of the perpendicular bisector, and a
point on it. You should be able to complete the equation now.
Notice how sneaky this question is. You don't need to know
point-B at all, and you don't even need to know that there's
any triangle. All you need to know is points A and C.
Answer:
6a is 80 6b120
Step-by-step explanation: