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Naya [18.7K]
2 years ago
13

Y = x^2 - 4 y= x + 2

Mathematics
1 answer:
Snezhnost [94]2 years ago
5 0
Hopes this help:

Answer: x = 3, -2 & y = 5, 0

Hopes this is the answer that you where looking for if not I am so sorry.
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A quantity with an initial value of 980 decays exponentially at a rate of 1% every 2
Firdavs [7]

Answer:

821.94

Step-by-step explanation:

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3 years ago
Given f(x) = -x^2 - 2x + 4, find each of the following,
tankabanditka [31]

Answer:

Symmetric point: x = -1; (-1, 5)

Minimum of f: None; approaches -∞.

Maximum of f: y = 5.

Is f(x) a one-to-one: No, it fails the horizontal line test and is not injective.

Increasing from: -∞ to -1; (-∞, -1)

Decreasing from: -1 to ∞. (-1, ∞)

7 0
3 years ago
Read 2 more answers
A machine starts dumping sand at the rate of 35 m3/min, forming a pile in the shape of a cone. The height of the pile is always
juin [17]
We are given with the following given
dV/dt = 35 m3/min
h = (3/2)D

What is asked is
dr/dt at t = 7 min

The volume of a cone is
V = (1/3)πr²h

From the given
h = (3/2)D
since D = 2r
h = 3r

Subsituting
V = πr³

At t = 7 min, the volume is
V = 35(7)
V = 245
and the radius is
245 = πr³
r = 4.27

Differentiating the volume
dV/dt = 3πr² dr/dt
From the given
dV/dt = 35

Subsituting
35 = 3πr² dr/dt
So,
dr/dt = 0.20 m/s
and
dh/dt = 0.60 m/s
6 0
3 years ago
Can you help plz I need this
m_a_m_a [10]

Answer:

110 square cm

Step-by-step explanation:

5 0
3 years ago
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Help with distance formula
Anna35 [415]
Length= \sqrt {(x1-x2)^2+(y1-y2)^2} \\ \\ =\sqrt {(-5-(-2))^2+(1-3)^2} \\ \\ =\sqrt {-3^2+-2^2} \\ \\ = \sqrt {13} \\ \\ = 3.61 units
5 0
3 years ago
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