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Rudik [331]
3 years ago
9

Name this angle using the following picture

Mathematics
1 answer:
finlep [7]3 years ago
7 0

Answer:

x = 42°

Step-by-step explanation:

\angle JML \:and\:\angle LMN Linear pair angles or straight line angles.

\therefore \:  \angle JML  + \angle LMN = 180 \degree \\  \therefore \: 3x + 54 \degree = 180 \degree \\ \therefore \: 3x  = 180 \degree - 54 \degree \\ \therefore \: 3x  = 126 \degree  \\ \therefore \: x =  \frac{126 \degree}{3}  \\ \therefore \: x = 42\degree \\

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3. At a bargain store, Jamal bought 2 items that each cost the same amount. Isaiah bought 3 items that each cost the same amount
coldgirl [10]

Answer:

  • $6.75 and $4.50

Step-by-step explanation:

a) <u>Jamal spent:</u>

  • 2x

<u>Isaiah spent:</u>

  • 3 (x - 2.25)

<u>The equation is:</u>

  • 2x = 3(x - 2.25)

b) <u>Solving the equation</u>

  • 2x = 3x - 6.75
  • 3x - 2x = 6.75
  • x = 6.75

c) <u>Jamal's items cost </u>

  • $6.75 each

<u>Isaiah's items cost </u>

  • $6.75 - $2.25 = $4.50 each
7 0
3 years ago
3. <br> Point C(9,-6) is dilated using a scale factor<br> of 2/3. What are the coordinates of C"?
bonufazy [111]

Answer:3.08e

Step-by-step explanation:mujwjwieekedkd

4 0
3 years ago
Read 2 more answers
Please help me I don't get it and thanks!​
schepotkina [342]
(x + x² + 4x) 3

3(x) + 3(x²) + 3(4x)

3x + 3x² + 12x
4 0
3 years ago
Find the amount budgeted for food on a salary of $19,300 if the food budget is 13%.
kvv77 [185]
The amount of the food budget is $2,509 as it is 13% of $19,300.
4 0
3 years ago
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
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