What value of x is in the solution set of 9(2x + 1) < 9x – 18?
Answers
9(2x + 1) < 9x - 18
Distribute 9:
18x + 9 < 9x - 18
Subtracting 9 from both sides of the equation:
18x + 9 - 9 < 9x - 18 - 9
18x < 9x - 27
Subtracting 9x from both sides of the equation:
18x - 9x < 9x - 27 - 9x
9x < -27
x < -3
Therefore, values of x < -3 will satisfy the given equation.
Answer:
x ∠ -3
Step-by-step explanation:
To solve this inequalities, we have to follow the steps below
open the bracket
collect like term
subtract and then divide both-side so that we can be left with just the variable
9(2x +1) < 9x - 18
opening the bracket, equation becomes;
18x + 9 < 9x - 18
collect like terms, numbers with x variables on the left hand side and number standing alone on the right hand side of the inequality
18x - 9x < -18-9
9x < -27
Divide both-side of the equation by 9
9x/9 < -27/9
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Answers
First, take common factor:
x(x^2 - 2x - 5 )= 0
Now use the quadratic formula to find the roots of the trinomial
x = [- b +/- √(b^2 - 4(a)(c)] / 2a
x = [2 +/-2√6 ]/2
x = 1 + √6 and x = 1 -√6
Then the solutions are:
x =0; x = 1 + √6; x = 1 - √6
That is the las option shown.
Q(−5, 8), S(1, −3)
Q(5, −8), S(−1, 3)
Q(−5, −8), S(1, 3)
Q(−5, 8), S(−1, 3)
Answers
see Figure 1. Different points . The x coordinate of points does not change. While the value of the y-coordinate is the number opposed . The points must be at the same distance from the axis x and at the same distance from the axis y . The x-axis is the axis of symmetry
This is one of the fundamental transformation functions. Figure 2 points drew the task
Answer 2 Q (5,-8), R (-1.3)
Zaraz otrzymasz rysunki
Answers
Answer:
- 8n + 9
Step-by-step explanation:
A - B
= - 3n + 2 - (5n - 7) ← distribute by - 1
= - 3n + 2 - 5n + 7 ← collect like terms
= - 8n + 9 → or 9 - 8n
41. (6,2), (9,r), m=-1
42. (4,-5), (3,r), m=8
43. (5,r), (2,-3), m=4/3
44. (-2,7), (r,3), m=4/3
45. (1/2, -1/4), (r,-5/4), m=4
46. (2/3, r), (1,1/2), m= 1/2
47. (4,r), (r,2), m=-5/3
48. (r, 5), (-2, r), m=-2/9
Answers
40. the rise is $0.90 and the run is 6 years, so the annual rate of change is .9/6 = $0.15 per year
40) Final answer: $0.15 per year
For 41-48, find the difference between the given values of the same variable, then multiply by the slope and add/subtract from the variable whose second value is missing (sorry if that's confusing)
41. 9-6=3 => 3*(-1)=-3 => 2+3=-1
41) Final answer: r=-1
42. 4-3=1 => 1*8=8 => (-5)-8=-13
42) Final answer: r=-13
43. 5-2=3 => 3*(4/3)=4 => -3+4=1
43) Final answer: r=1
44. 7-3=4 => 4*(3/4)=3 (flip the slop to find x values) => -2-3=-5
44) Final answer: r=-5
45. (-1/4)-(-5/4)=4/4=1 => 1*(1/4)=1/4 (again flip the slope) => 1/2-1/4=1/4
45) Final answer: r=1/4
46. 1-(2/3)=1/3 => (1/3)*(1/2)=(1/6) (don't have to flip this time) => (1/2)-(1/6)=1/3
46) Final answer: r=1/3
For 47 and 48, I'll setup an equation for r
47. (4-r)*(-5/3)=r-2 => -20/3+(5r)/3=r-2 => -14/3+(5r)/3=r => -14/3=-(2r)/3 => -14=-2r => r=7
47) Final answer: r=7
48. (R-(-2))*(-2/9)=5-r => -2(r+2)/9=5-r => -(2r)/9-4/9=5-r => -(2r)/9=49/9-r => (7r)/9=49/9 => 7r=49 => r=7
48) Final answer: r=7
Hope I helped :)
JKL=PQR
Answers
Answer:
w = 3
The rest doesn't have enough information to complete, (Sorry for previous answer)
B. 512
C. 128
D. 256
Answers
6th = 256