Answer: Domain is (negative infinity,infinity)
Step-by-step explanation:
Answer:
<h2><em><u>-20</u></em><em><u> </u></em><em><u>+</u></em><em><u> </u></em><em><u>3m</u></em><em><u> </u></em><em><u>+</u></em><em><u> </u></em><em><u>6k</u></em></h2>
Step-by-step explanation:
<em><u>Given</u></em><em><u>, </u></em>
Sides of the triangle = (5k-7) cm, (k-4) cm and (3m - 9) cm
<em><u>Therefore</u></em><em><u>, </u></em>
Perimeter of the triangle in cm = (5k -7) cm + (k-4) cm + (3m - 9) cm
= 5k - 7 + k - 4 + 3m - 9
= 5k + k -7 - 4 - 9 + 3m
= 6k -20 + 3m
= - 20 + 3m + 6k
<em><u>Hence</u></em><em><u>,</u></em>
<em><u>-20</u></em><em><u> </u></em><em><u>+</u></em><em><u> </u></em><em><u>3m</u></em><em><u> </u></em><em><u>+</u></em><em><u> </u></em><em><u>6k</u></em><em><u> </u></em><em><u>is</u></em><em><u> </u></em><em><u>the</u></em><em><u> </u></em><em><u>perimeter</u></em><em><u> </u></em><em><u>of</u></em><em><u> </u></em><em><u>the</u></em><em><u> </u></em><em><u>triangle</u></em><em><u> </u></em><em><u>in</u></em><em><u> </u></em><em><u>cm</u></em><em><u>.</u></em>
Answer:
1. slope is 1/2
2. slope is 1/3
3. slope is 2/3
4. slope is 3
5. y=3x-2
Step-by-step explanation:
Answer:
-3x-7
Step-by-step explanation:
So firs you would change the sign of +(-1)
-3x-6-1
-3x-7
Answer:
$9.70
Step-by-step explanation:
Use PEMDAS:
Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).
Problem:
C(x) = 0.06x + 8.50
Substitute x for 20:
C(20) = 0.06(20) + 8.50
Multiply 0.06 and 20:
C(20) = 1.2 + 8.50
Add 1.2 and 8.50:
C(20) = $9.70
The total cost for an order of 20 copies is $9.70