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djyliett [7]
3 years ago
14

Find the value of x (and y, if applicable)

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

Answer:

13√(2) = x

Step-by-step explanation:

The given is an isosceles triangle so the two side lenghts are same (13 units)

in right triangles the square lenght of the hypotenus is equal to sum of two side's square lenght

13^2 + 13^2 = x^2

169 + 169 = x^2

338 = x^2

13√(2) = x

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2. Consider the function, f(x)=x^3+x^2-9x-9
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
1st question I want to solve
mr_godi [17]

Answer:

34.64

Step-by-step explanation:

take tan value and solve the triangle

7 0
3 years ago
The mapping diagram shows a functional relationship.
likoan [24]

Answer:

  • 1/2
  • 8

Step-by-step explanation:

x = domain, f(x) = range

<u>Look for matching numbers:</u>

  • f(4) = 1/2
  • f(x) = 4 when x = 8
6 0
3 years ago
Read 2 more answers
There are 18 bicycles. There are more more blue than yellow. There are 2 less yellow than green. How many of each color are ther
nasty-shy [4]
The are 8 blue bicycles, 6 green bicycles, and 4 yellow bicycles and total they equal 18.
5 0
3 years ago
In a mathematics test given to 15 students, the following marks (out of 100) se recorded. Find the mean 41,39,48,52,46,62,54,40,
fgiga [73]

Answer:

54.8

Step-by-step explanation:

41+39+48+52+46+62+54+40+96+52+98+40+42+52+60 = 822

822/15= 54.8

Please mark this as Brainliest if it helped you

8 0
3 years ago
Read 2 more answers
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