Step One
Find AM
Formula
AM = MN - AN
Givens
MN = 67.2
AN = 32
Solution
AM - 67,2 - 32
AM = 35.2
Step Two
Set up a solution
67.2/35.2 = 81.9/x Cross Muliply
67.2 * x = 81.9 * 35.2 Combine the right
67.2 * x = 2882.88 Divide by 67.2
x = 2882.88/67.2
x = 42.9 Answer
Answer:
25*0.92= 23 so she answered 23 question from 25 questions
Step-by-step explanation:
Answer:
75,000
Step-by-step explanation:
Answer:
y= 1/2x -7
Step-by-step explanation:
Find the y-intercept. It is where the line crosses "y" which is -7
Next find the rise and the run for "x"
Rise - 1
Run - 2
Then put them in slope intercept form
y=1/2x -7
Step 1; multiple equation 2 by -2: 14x+8y=-18
step2: subtract this new equation from equation 1 to eliminate x:
2y-8y=18-(-18)
-6y=36
y=-6
step 3: substitute y=6 in equation 2: -7x-4*(-6)=9, -7x=-15, x=15/7
