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Ganezh [65]
2 years ago
9

Parallel or perpendicular 3x+5y=10 and 5x-3y=-6

Mathematics
1 answer:
devlian [24]2 years ago
6 0
3x+5y=10 and 5x-3y=-6 is perpendicular.
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Determine the value of B such that the line defined by 8x + By + 92 = 0 passes through the point (-4,12).
zvonat [6]
8x + By + 92 = 0

(-4; 12) ⇒ x = -4; y = 12

subtitute

8 · (-4) + 12B + 92 = 0
-32 + 12B + 92 = 0
12B + 60 = 0    |subtract 60 from both sides
12B = -60    |divide both sides by 12

B = -5
8 0
3 years ago
-3x(x - 4) + 2 - (5 - x)
Readme [11.4K]

Answer:

- 3x(x - 4) + 2 - (5 - x) \\ =   - 3 {x}^{2}  + 12x + 2 - 5 + x \\  =  - 3 {x}^{2}  + 13x - 3

I hope I helped you^_^

3 0
2 years ago
Read 2 more answers
In a board game, Rose gets x + 4 points when she lands on a green space, 7x – 1 points for landing on a blue space, and -4x poin
ra1l [238]

Answer:

5x-3

Step-by-step explanation:

x+4+7x-1-4x

5x-3

3 0
3 years ago
Read 2 more answers
A company has actual unit demand for four consecutive years of 100, 105, 135, and 150. The respective forecasts were 120 for all
Lubov Fominskaja [6]

Answer:

c. 20

Step-by-step explanation:

Calculation to determine Which of the following is the resulting MAD value that can be computed from this data

Using this formula

MAD= [ABS( Year 1 actual unit demand - Forecast) + ABS (Year 2 actual unit demand - Forecast) + ABS (Year 3 actual unit demand - Forecast) + ABS (Year 4 actual unit demand - Forecast)]/ Number of years

Let plug in the formula

MAD = [ABS(100 - 120) + ABS (105 - 120) + ABS (135 - 120) + ABS (150 - 120)]/4

MAD =(ABS 20) + (ABS 15) + (ABS 15) + (ABS 30)/4

MAD= 80/4

MAD=20

Therefore the resulting MAD value that can be computed from this data is 20

8 0
3 years ago
Is 13.99 the same as 13.990
Zigmanuir [339]
Assuming that the numbers haven't been rounded off, then yes, they are the same.
4 0
3 years ago
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