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malfutka [58]
2 years ago
14

Really need help with this problem. Picture included

Mathematics
1 answer:
Len [333]2 years ago
8 0
The two angle measures are equal (which is the point of an angle bisector), so you have
  y + 30 = 3y - 50
  30 = 2y - 50 . . . . . . . . subtract y
  80 = 2y . . . . . . . . . . . . add 50
  40 = y . . . . . . . . . . . . . .divide by the coefficient of y

The value of y is 40.
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Fine the domain and range of the relation, and indicate whether or not it is a function.<br> Y=2x+3
lilavasa [31]
It's a non-constant linear function, so both the domain and the range are all real numbers.
8 0
3 years ago
Help lol, show wurk cuz u know how teachers are these days
telo118 [61]

Answer:

Infinitely many solutions (the lines are identical)

Step-by-step explanation:

Let's start by getting each equation into slope intercept form (y=mx+b)

-14x-14y=28

-14x-28=14y

-x-2=y

and

7x+7y= -14

7x+14= -7y

-x-2=y

We can see that these two lines are identical which means that there are an infinite amount of answers

5 0
2 years ago
If (x − 2)^2=49, then x could be ?
Ket [755]
(x - 2)^2=49\\ \\ x^2-4x +4 -49=0\\ \\x^2-4x -45 = 0\\ \\\Delta = b^{2}-4ac =  (-4)^{2}-4*1* (-45)= 16+180=196  \\ \\x_{1}=\frac{-b-\sqrt{\Delta }}{2a} =\frac{4-\sqrt{196}}{2}=\frac{4-14}{2}=\frac{-10}{2}=-5 \\ \\x_{2}=\frac{-b+\sqrt{\Delta }}{2a} =\frac{4+\sqrt{196}}{2}=\frac{4+14}{2}=\frac{18}{2}=9 \\ \\Answer : \ x=-5 \ or \ x= 9
8 0
3 years ago
Read 2 more answers
A cyclist travels 2 miles in 10 minutes and then a further 7 miles in 20 minutes without stopping.
Tresset [83]

18 mile per hour

Step-by-step explanation:

average speed = total distance covered by total time taken

so, avg. speed = ( 2+ 7 ) / ( 20 + 10 )

= 9 / 30

= 3 / 10

= 0.3 miles per minute

= 18 mile per hour

6 0
3 years ago
Find the value of x.​
Wittaler [7]
It’s 36 I looked it up and I did this before have a good day anything else?
3 0
2 years ago
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