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OLga [1]
3 years ago
11

I’m kinda stuck on this question, can y’all please help me?

Mathematics
1 answer:
adell [148]3 years ago
7 0

Points J, K and M form a triangle.

In this triangle you are given the angles for JKM (50) and KJM (60)

The 3 inside angles of a triangle need to equal 180.

The third angle JMK would be 180 minus the two given angles:

JMK = 180 - 50 - 60 = 70

JMK = 70 degrees

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In the figure shown, triangle RST undergoes reflections across two line. R''S''T’’ is the final image of RST
soldi70 [24.7K]
<h3>Answer: D.  y = -x</h3>

======================================================

Explanation:

Point T is at (-2,1)

When we reflect it over the line x = 0, aka the y axis, we use the rule (x,y) \to (-x,y) so T(-2,1) becomes T ' (2, 1). The x coordinate flipped in sign, while the y coordinate stays the same.

Then the final transformation is reflecting over y = -x using the rule (x,y) \to (-y, -x). Therefore, the point (2,1) moves to (-1, -2) which is where T'' is located in the diagram.

You apply the same two transformations for the points R and S to get R'' and S'' respectively.

Note: A composition of two reflections, where the lines of reflection aren't parallel, form a rotation. In this case, we have a 90 degree counterclockwise rotation when going from triangle RST to triangle R''S''T''.

4 0
3 years ago
What is the equation of the line passing through (5,6) with slope m=6?
Veronika [31]

Answer:

this is a required equation.

6 0
3 years ago
A 42 inch wire is bent into the shape of a rectangle whose width is twice its
kirza4 [7]

Answer: Choice A

2(2L + L)  = 42

=================================================

Explanation:

The length is L, which is some placeholder for a positive number.

The width is twice as much as this, so it's 2L

The perimeter is found by adding up the four sides (two of which are L, the other two are 2L)

So we have L+L+2L+2L = 2(2L+L) representing the perimeter.

Or we could use this formula

P = 2(L+W)

where L and W are the length and width respectively.

Either way, we end up with 2(2L + L) = 42

6 0
3 years ago
Read 2 more answers
Please help me with this question
Amanda [17]
The graph shows the maximum residual is ...
  ◉  Data point (10, 10); Residual = 4.50

_____
Apparently, this question makes no use of the line of best fit.

6 0
3 years ago
Help! 20 points svhs
zepelin [54]

Answer:

d. 2

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

45a−25+7a=79

45a+−25+7a=79

(45a+7a)+(−25)=79(Combine Like Terms)

52a+−25=79

52a−25=79

Step 2: Add 25 to both sides.

52a−25+25=79+25

52a=104

Step 3: Divide both sides by 52.

52a

52

=

104

52

a=2

5 0
3 years ago
Read 2 more answers
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