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Nitella [24]
3 years ago
10

Given 7x2 + 3y2 - 42x + 6y - 39 < 0, which graph represents the inequality?

Mathematics
2 answers:
motikmotik3 years ago
7 0

Answer:

B

Step-by-step explanation:

Calculated using Desmos calculator

Edg 2020

Serga [27]3 years ago
6 0

Answer:

B

Step-by-step explanation:

cause it is

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List the important features for the graph of a quadratic function.
Kay [80]

Answer:

  • Vertex
  • Minimum Point
  • Maximum Point
  • Roots
  • Axis of Symmetry

Step-by-step explanation:

The bottom (or top) of the U is called the vertex, or the turning point. The vertex of a parabola opening upward is also called the minimum point. The vertex of a parabola opening downward is also called the maximum point.

The x-intercepts are called the roots, or the zeros. To find the x-intercepts, set ax^2 + bx + c = 0.

The parabola is symmetric (a mirror image) about a vertical line drawn through its vertex (turning point). This line is called the axis of symmetry.

If possible, please mark brainliest

7 0
3 years ago
What is the range of the function on the graph?
Cloud [144]

Answer:

all real numbers greater than or equal to 2

which is [2, infinite)

3 0
2 years ago
Can someone plz tell me the answer quick!!
patriot [66]
He worked 9 hours in his first job and 5 hours in his second
5 0
3 years ago
Read 2 more answers
A strobe light is located at the center of a square dance room. the rotating light is 40 feet from each of the square walls and
Effectus [21]

The equation of the rotating light is an illustration of a secant function

The equation that represents the distance between the center of the circle and the light source is d(t) = 40\sec(\frac{\pi}{3}t)

<h3>How to determine the equation</h3>

The equation is a secant function represented by

y =A\sec(Bt)

Where:

A represents the amplitude

So, we have:

A = 40 --- the distance of the light from each square wall

B represents the period, and it is calculated as:

B = \frac{2\pi}{T}

The light completes its full rotation every 6 seconds.

This means that,

T = 6

So, we have:

B = \frac{2\pi}{6}

Simplify

B = \frac{\pi}{3}

Substitute values for A and B in y =A\sec(Bt)

y = 40\sec(\frac{\pi}{3}t)

Rewrite as a function

d(t) = 40\sec(\frac{\pi}{3}t)

Hence, the equation that represents the distance between the center of the circle and the light source is d(t) = 40\sec(\frac{\pi}{3}t)

Read more about trigonometry functions at:

brainly.com/question/1143565

5 0
2 years ago
The moon is about 240,000 miles from Earth. What is the distance written as a whole number multiplied by a power of ten?
spin [16.1K]

The answer is 24 * 10^4

Since we’re asked for a whole number, we count the number of zeros after the first nonzero numbers. In this case, our first non-zero numbers are 2 and 4 (24). The number of zeros after these numbers  are four (4). The number of zeros indicates the power number of 10.

Had we been asked for a decimal number   and a power of 10, then the answer  would have been 2.4 * 10^5


8 0
2 years ago
Read 2 more answers
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