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astra-53 [7]
3 years ago
6

Please help, needed to graduate!!

Mathematics
1 answer:
kati45 [8]3 years ago
3 0

Answer:

its b

Step-by-step explanation:

i just did that question last period

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40 POINTS PLATO
Elena-2011 [213]

Answer:

1.) B.

the horizontal distance covered by 

2.). D (0)

3.) A ( infinity )

Step-by-step explanation:

1.) Since it is a quadratic function which models the height of the plane, in feet, relative to the ground, at a horizontal distance of x feet. Therefore,

The range = height

The domain = distance covered

2.) Since she launched it from the top of a building. That is, from a starting point, then domain = 0

3.) Since the plane traveled a horizontal distance of 50 feet before landing on the ground. This mean that it can travel further. Therefore the domain can be to infinity

3 0
3 years ago
Let f(x) = 2x2 − 9x and g(x) = -5x2 + 4x. Find f(x) − g(x).
Paha777 [63]
F(x) − g(x) = 2x^2 − 9x - (<span> -5x^2 + 4x)
</span>f(x) − g(x) = 2x^2 − 9x + 5x^2 - 4x
f(x) − g(x) = 7x^2 - 13x
8 0
4 years ago
What is the slope-intercept form of a line that contains the point (0,3) and a slope=-2
katen-ka-za [31]

Answer:

C. y = -2x + 3

Step-by-step explanation:

The equation of a line in slope-intercept form is given as y = mx + b.

m = slope, while b = y-intercept.

We already know that the slope, m, = -2.

We are given a point also as (0, 3). This means, at x = 0, y = 3.

Therefore, the y-intercept, b, = 3, because, the line would intercept the y-axis of the graph at y = 3, and at that point, x = 0.

Thus,

Slope (m) = -2,

y-intercept (b) = 3

Plug these values into y = mx + b

✅The equation of the line in slope-intercept form would be:

y = -2x + 3

7 0
3 years ago
Find the sum of series 4/(4n-3) (4n+1)
ANTONII [103]
\dfrac4{(4n-3)(4n+1)}=\dfrac1{4n-3}-\dfrac1{4n-1}

Assuming the sum starts at n=1, the Nth partial sum is

\displaystyle\sum_{n=1}^N\left(\frac1{4n-3}-\frac1{4n-1}\right)=\left(1-\frac15\right)+\left(\frac15-\frac19\right)+\cdots+\left(\frac1{4N-7}-\frac1{4N-3}\right)+\left(\frac1{4N-3}-\frac1{4N+1}\right)
\displaystyle\sum_{n=1}^N\left(\frac1{4n-3}-\frac1{4n-1}\right)=1-\frac1{4N-1}

As N\to\infty, you're left with simply 1.
8 0
3 years ago
A health care organization, StarCare, wants to implement a program to increase use of diabetes care services. In the past StarCa
lions [1.4K]

Answer:

a) The fixed cost is $1350.

b) Total variable cost is $6000.

Step-by-step explanation:

a) The fixed cost = Operational cost + Insurance company bill.

                           = $ 1000  + 350 = $1350.

b) Variable cost:-

The number of facilitators = 20.

The salary for each facilitator = $300.

Total variable cost = $300 x 20 = $6000.

7 0
4 years ago
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