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: 0.4
Step-by-step explanation:
Consider the point (0.5, 0.8).
Constant = (height)(width), which for this point, is 0.4.
Answer:
2nd Option: x + y = -1
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
<u>Algebra I/Geometry</u>
- Plug 'n' Chug
- Graphing and Eyeballing
Step-by-step explanation:
Since Point A is included in the altitude, we must have an equation that has to make Point A a solution set in the equation.
Pluging in and chugging Point A into each equation should tell us what the equation should be.
<u>Option 1</u>
x - y = 1
-3 - 2 = 1
-5 ≠ 1
We see here that -5 does not equal to 1. Therefore option 1 is incorrect.
<u>Option 2</u>
x + y = -1
-3 + 2 = -1
-1 = -1
We see here that -1 does equal to -1. Therefore option 2 is correct.
<u>Option 3</u>
x + y = 1
-3 + 2 = 1
-1 ≠ 1
We see here that -1 does not equal to 1. Therefore option 3 is incorrect.
<u>Option 4</u>
x - y = -1
-3 - 2 = -1
-5 ≠ -1
We see here that -5 does not equal to 1. Therefore option 4 is incorrect.
We can also graph the points and eyeball it. Doing so, we should see that our y-intercept is around -1 and our slope is also negative. Option 2 would be the best fit.
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