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Andrews [41]
2 years ago
15

Find the measure of angle b

Mathematics
1 answer:
hammer [34]2 years ago
8 0

Answer:

38 degrees

180-142

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Plz help me with this i do not understand math stuff
Zarrin [17]

Answer: Pink choice: y= -6x -2

Step-by-step explanation:

In order to be parallel, the slope must be the same. You find the slope as the number or fraction connected to x. <em>("co-efficient" of x in math talk)</em>

In the given equation, that is -6.  (So that knocks out the first two choices)

The other thing to look at is the y-value of the given coordinate,(-1,4)

<em>(The y-value is the second number in the coordinate (x.y) is the pattern)</em>

and compare it to the the last number in the equations in the choices and     Here the Yellow choice has y= -6x + 4 so this line can't pass through the coordinate given, because  +4 in this equation is where the line crosses the y-axis. ("y-intercept"  in math talk)  So yellow choice is out!

The attachment shows what the graphs of the choices look like.

The black line is the correct answer. The given coordinate (-1,4) is the labeled red spot. The blue line is the given equation. (You can see where it "intercepts the y-axis on the +3)   And the green line also has the -6 slope, but misses the point and intercepts the y-axis at 4.)    

I hope the diagram and explanation helps you understand better. It can be confusing.

6 0
2 years ago
What are the y-intercept and the slope of the line represented in the graph?
kipiarov [429]
Y int is where the line crosses y axis....so it is 4.
the slope is -2
4 0
3 years ago
Rico ran a race that was 3 km long. how many meters did rico run?
pishuonlain [190]
3000 meters in total.
4 0
3 years ago
PLEASE HELP! My friend and i cant figure out the answer!!! i attached a picture of the question please help us!!!
satela [25.4K]

Answer:

a.6.66

b.384

c.860

d.166

Step-by-step explanation:

6 0
3 years ago
It is given that cos 0 = -0.4209 and 0° 0 &lt; 360°. Calculato the values of 0​
beks73 [17]

Answer:

114.89 degrees

245.11 degrees

Step-by-step explanation:

cos is negative in the second and third quadrant ("pointing" on the x-axis to the left).

so, the first answer for the second quadrant is

114.89 degrees.

the answer for the third quadrant is then backwards the same angles from a full 360 degree rotation

360 - 114.89 = 245.11 degrees

5 0
3 years ago
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