(1)
since both equations express y in terms of x, equate the right sides
- 2x = - 4x + 10 ( subtract 4x from both sides )
2x = 10 ( divide both sides by 2 )
x = 5
substitute x = 5 into y = - 2x → y = - 10
solution is : (x, y ) → (5, - 10 )
(2)
equate the right sides of both equations
3x = 2x - 7 ( subtract 2x from both sides )
x = - 7
substitute x = - 7 into y = 3x → y = - 21
solution is : (x, y) → (- 7, - 21)
(3)
substitute y = - 8 into the other equation
- 8 = 6x + 22 ( subtract 22 from both sides )
- 30 = 6x ( divide both sides by 6 )
x = - 5
solution is : (x, y ) → (- 5, - 8 )
So you are lowering 12 feet down, then 11 feet down , then 8 feet down.
so the total amount lowered is 12 + 11 + 8 , which is a total elevation change of 31 feet
Answer:
172 cm².
Step-by-step explanation:
Total surface area = 56 + 16 +56 + 16 + 14 + 14
The answer to your math problem is C. The reason being is 2x times x is 2x^2 and 2x times 11 is 22x. So you first part of the problem looks like 2x^2+22. Then -6 times x is -6x and -6 times 11 is -66. So now the problem is 2x^2+22x-6x-66. So your answer after solving it is 2x^2+16x-66.
Answer:
<em>m</em> = 6
<em>c</em> = 0
General Formulas and Concepts:
<u>Algebra I</u>
Slope-Intercept Form: y = mx + c
- m - slope
- c - y-intercept
Step-by-step explanation:
<u>Step 1: Define</u>
y = 6x
↓ Compare to Slope-Intercept Form
Slope <em>m</em> = 6
y-intercept <em>c</em> = 0
