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Shkiper50 [21]
3 years ago
11

PLEASE HELP ME ASAP!!!!!!

Mathematics
2 answers:
3241004551 [841]3 years ago
6 0

Answer:

(3x-27)^o

Step-by-step explanation:

see the attached figure to better understand the problem

we know that

m\angle BEC=m\angle AED ----> by vertical angles

we have

m\angle BEC=(2x+3)^o

The value of x is given

x=30

so

m\angle BEC=(2(30)+3)=63^o

That means that the measure of angle AED is also 63 degrees

so

The expression that could represent the measure of Angle A E D is

(3x-27)^o

because

For x=30

(3(30)-27)=63^o

k0ka [10]3 years ago
6 0

Answer: (x+43)

Step-by-step explanation:

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Sedaia [141]

The intercepts of the graph are:

x-axis interception: \left(-1,\:0\right),\:\left(-3,\:0\right),\:\left(3,\:0\right).

y-axis interception: \left(0,\:-9\right).

See the graph of the function f(x)=x^3+x^2-9x-9  in the attached image.

<h3>Constructing a graph</h3>

For constructing a graph we have the following steps:

  • Determine the range of values for x of your graph.

For this exercise, for example, we can define a range -4<x<4.  In others words, the values of x will be in this interval.

  • Determine the points

Replace these x-values in the given equation. For example:

When x=-4, we will have: \left(-4\right)^3+\left(-4\right)^2-9\left(-4\right)-9=-21.  Do this for the all x-values of your ranges.

See the results for this step in the attached table.

  • Draw the graph

Mark the points <u>x</u> and<u> y</u> that you found in the last step. After that, connect the dots to draw the graph.

The attached image shows the graph for the given function.

<h3>Find the x- and y-intercepts</h3>

The intercepts are points that crosses the axes of your plot. From your graph is possible to see:

x-axis interception points (y=f(x)=0)  are: \left(-1,\:0\right),\:\left(-3,\:0\right),\:\left(3,\:0\right).

y-axis interception point (x=0) is: \left(0,\:-9\right).

Learn more about intercepts of the graph here:

brainly.com/question/4504979

5 0
2 years ago
Express in simplest radical form.<br> Sqrt (27)
zhannawk [14.2K]
  • Answer:

<em>3√3</em>

  • Step-by-step explanation:

<em>√27 =</em>

<em>= √3×9</em>

<em>= √3×3²</em>

<em>= 3√3</em>

6 0
3 years ago
What number is half-way between thirteen and thirty-one
mars1129 [50]

\frac{13 + 31}{2} = \frac{44}{2} = 21

Answer: 21

3 0
3 years ago
Which of the following statements about sets of numbers is true? (1 point)
gayaneshka [121]

Answer:

-All integers are whole numbers.

-All rational numbers are natural numbers.

Step-by-step explanation:

7 0
3 years ago
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Find the circumference of circle if the diameter is 7.8cm<br>​
olasank [31]

Answer:

24.5

Step-by-step explanation:

the radius is half of a diameter

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4 0
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