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Allisa [31]
2 years ago
5

PLEASE ANSWER THIS ITS URGENT

Mathematics
2 answers:
kirza4 [7]2 years ago
4 0

Answer:

  • Graph C

Step-by-step explanation:

We can solve it without actually plotting the inequalities.

<u>Observations:</u>

  • Both lines have positive slopes and both have same inequality symbol ⇒ ≤
  • It means both shaded regions are below the lines and the lines are solid.
  • The y-intercepts, the steeper line has b = - 3 and the other line has b = 2

All the above observations are reflected on the graph C only.

Oksi-84 [34.3K]2 years ago
3 0

Answer:

  • Option C

Explanation:

First, I plotted both the lines on the graph, then I graphed the inequality.<u> </u><em>Please check out image.</em> Looking at the image, we can tell that the graph matches with Graph-C. Hence, Option C is correct.

Hoped this helped!

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A baseball is thrown in a parabolic arc. It's position above the ground at a given point in time can be represented by the quadr
SCORPION-xisa [38]

Answer:

The baseball reached 9 feet high above the ground

Step-by-step explanation:

The given quadratic function representing the position of the baseball above ground is p(t) = 1/2·g·t² + v₀·t + p₀

Where;

t ≥ 0

g = -32 ft./sec²

v₀ = The initial velocity

p₀ = The initial position

Given that when the ball is thrown, we have;

The initial, straight up, velocity, v₀ = 16 ft./sec

The initial position, p₀ = 5 ft.

Substituting the above values in the quadratic function representing the position of the baseball above ground, we have;

p(t) = 1/2·(-32)·t² + 16·t + 5 = 16·t - 16·t² + 5

At the maximum point, the rate of change of the height with time = 0, therefore;

dp(t)/dt = 0 = d(16·t - 16·t² + 5)/dt = 16 - 32·t

16 - 32·t = 0

16 = 32·t

t = 16/32 = 0.5 seconds

Therefore, the time takes to reach the maximum height = 0.5 seconds

The height (maximum) reached in 0.5 seconds is given as follows;

h(t) = 16·t - 16·t² + 5, from which we have;

h(0.5) = 16 × 0.5 - 16 × (0.5)² + 5 = 9

Therefore, the height baseball reached = 9 ft. above ground

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3 years ago
Helppppppppppppppppppppp!
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Answer:

1:3

Step-by-step explanation:

Since your scaling down you divide the smaller number by the larger number

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=1:3

Hope this helps :)

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