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umka21 [38]
3 years ago
15

{50 PTS (100 Total) Each answer} Can someone please help me? I need to get it submitted soon.

Mathematics
1 answer:
den301095 [7]3 years ago
4 0

Answer:

y>3x-1

Step-by-step explanation:

To write the inequality represented by the graph, let's first determine the equation of the line.

So, we can see that the line passes through the two points (0,-1) and (1,2).

With this, let's figure out the slope. The formula for slope is:

m=\frac{y_2-y_1}{x_2-x_1}

Let's let (0,-1) be (x₁ y₁) and let's let (1,2) be (x₂, y₂). So:

m=\frac{2-(-1)}{1-0}

Evaluate:

m=3/1=3

Therefore, the slope is 3.

We also know that the y-intercept is y=-1 from the point (0,-1).

So, we can use the slope-intercept form:

y=mx+b

Where m is the slope and b is the y-intercept.

Substitute 3 for m and -1 for b. So:

y=3x-1

Notice that the line is dotted. This means that we will <em>not</em> have "or equal to" for our inequality.

Now, note that the shaded region is <em>above</em> our line. Therefore, y must be <em>greater than</em> our equation. Therefore, our inequality would be:

y>3x-1

And we're done!

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Answer:

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8 0
3 years ago
Read 2 more answers
Solve by substitution ANSWER NOW
Maslowich
Y = -5x + 9
y = 5x + 7

5x + 7 = -5x + 9
5x + 5x = 9 - 7
10x = 2
x = 2/10 reduces to 1/5

y = 5x + 7
y = 5(1/5) + 7
y = 1 + 7
y = 8

solution is (1/5,8)
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3 years ago
Please help me ASAP​
Nonamiya [84]
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In an ellipse, the ratio of the distance between the foci and the length of the major axis is called:
Anni [7]

The ratio of the distance between the foci and the length of the <em>major</em> axis is called eccentricity.

<h3>Definitions of dimensions in ellipses</h3>

Dimensionally speaking, an ellipse is characterized by three variables:

  1. Length of the <em>major</em> semiaxis (a).
  2. Length of the <em>minor</em> semiaxis (b).
  3. Distance between the foci and the center of the ellipse (c).

And there is the following relationship:

c = \sqrt{a^{2}-b^{2}} (1)

Another variable that measure how "similar" is an ellipse to a circle is the eccentricity (e), which is defined by the following formula:

e = \frac{c}{a}, 0 \ge c \ge 1 (2)

The greater the eccentricity, the more similar the ellipse to a circle.

Therefore, the ratio of the distance between the foci and the length of the <em>major</em> axis is called eccentricity. \blacksquare

To learn more on ellipses, we kindly invite to check this verified question: brainly.com/question/19507943

3 0
2 years ago
The Toblerone company packages chocolate candy in a container that is a triangular prism. The base is an
dolphi86 [110]

Answer:

76017.69 mm²

631000 mm³

295045.04 mm³

Step-by-step explanation:

Surface area = bh + 2ls + lb

Since the sides of the triangular prism are equal (equilateral triangle) = 60 mm each

Height = 405 mm

The surface area of triangular = 76017.69 mm

The volume of triangular prism :

1/2 * base * height * length

Volume = 631000 mm³

If amount of chocolate inside = 335954.96 mm3

Empty space =

Volume of triangular prism - amount of chocolate inside

631000 - 335954.96

= 295045.04 mm³

8 0
3 years ago
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