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marysya [2.9K]
3 years ago
15

Which inequality is graphed on the number line?

Mathematics
1 answer:
Ierofanga [76]3 years ago
5 0

Answer:

C

Step-by-step explanation:

If the line goes from 6 to 0 then that means it is decending and that T is LESS than 6

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What is the reflection image of p(0, 0) after two reflections, first across x = -3 and then y = 4 ?
Butoxors [25]
The reflection point P' would be (-6, 8)
3 0
3 years ago
Topic : Substitution and Formula<br> Website : Mathswatch
krok68 [10]

Answer:

V=4/2-5/2

V=-1/2

Step-by-step explanation:

V=(2)+(-5)(1/2)

V=(2)+(-5/2)

4 0
2 years ago
The perimeter of a movie screen is 54 meters. The screen is 18 meters wide. How tall is it?
Roman55 [17]
Assuming the movie screen is rectangular, the answer would be 8 meters tall. Because the perimeter is 2 times width plus 2 times height, you can subtract 36 (18 times 2) from 54. This leaves you with 18, which is 2 times height. Divide both by two and you get 9
8 0
4 years ago
Help with part b pls thank u
Vlad1618 [11]

Answer:

  • See below

Step-by-step explanation:

  • speed = distance / time
  • time = distance / speed

a)

i)

<u>Time taken at the first part:</u>

  • 105 / x

ii)

<u>Time taken at the second part:</u>

  • (190 - 105) / (x + 12) =
  • 85/(x + 12)

b)

<u>If time is 3 hours and 15 minutes = 3 1/4 hours = 13/4 hours, the equation is:</u>

  • 105/x + 85/(x + 12) = 13/4
  • 4(x + 12)*105 + 4(85x) = 13x(x + 12)
  • 13x² - 604x - 5040 = 0

c)

<u>Solve the equation:</u>

  • 13x² - 604x - 5040 = 0
  • x = [604 ± √((-604)² + 4*13*5040) ]/26 =
  •      [604 ± √626896]/26 =
  •      [604 ± 791.77]/26
  • x = (604 + 791.77)/26 = 53.68 km/h (taking positive root only)

d)

  • 105/x = 105/53.68 h = 1.956 h = 1 h 0.956*60 min = 1 h 57 min (rounded)
  • 85/(53.68 + 12) = 85/65.68 = 1.294 h = 1 h 0.294*60 min = 1 h 18 min (rounded)
7 0
2 years ago
Read 2 more answers
A snowboard was $180 but marked as 30% off. There is a state tax of 7.5%. How much would you pay for the snowboard
vfiekz [6]

Answer:

180(.30)=54, 180-54=126, 126(0.075)=9.45+126=135.45

Step-by-step explanation:

The total is $135.45.

7 0
3 years ago
Read 2 more answers
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