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topjm [15]
2 years ago
14

Find the measure of angle b. PLZ HELP

Mathematics
2 answers:
o-na [289]2 years ago
8 0
It should be b=59. That’s a 90 degree angle so
90-31 = 59
zhannawk [14.2K]2 years ago
4 0

Answer: 59 degrees

Step-by-step explanation:

90-31=59

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Y=2x-5 solve for x show all your steps
irakobra [83]

Hi there!

Here are all the steps into solving this equation :

y = 2x - 5

Add 5 on each side of the equation

y + 5 = 2x

Divide each side of the equation by 2

\frac{y+5}{2} = x

Divide 5 by 2

\frac{y}{2} + 2.5 = x


There you go! I really hope this helped, if there's anything just let me know! :)

7 0
3 years ago
How do I do this and what is the answer
gizmo_the_mogwai [7]
Answer: isosceles triangle

Explanation: The lines in the middle indicate all sides are the same making it an isosceles.
8 0
3 years ago
Find the value of x.
valentina_108 [34]

Answer:

  x = 100

Step-by-step explanation:

The ratios of long side to hypotenuse are the same for all these triangles.

  x/(x+10) = (x+10)/(x+21)

  x^2 +21x = x^2 +20x +100 . . . . . multiply by (x+10)(x+21), expand

  x = 100 . . . . . . . . . . . . . . . . subtract x^2 +20x

5 0
2 years ago
Find the solution to the system of equations. 4x + 3y = –1 3x – 9y = 33 solution = ( , )
tensa zangetsu [6.8K]

Answer:

(x, y) =(2,-3)

Step-by-step explanation:

4x+3y=-1

3x-9y=33 /:3

4x+3y=-1.....(1)

x-3y=11... (2)

(1)+(2): 5x=10

x-3y=11

x=10/5

x-3y=11

x=2

2-3y=11

x=2

-3y=11-2

x=2

-3y=9

x=2

y=9/(-3)

x=2

y=-3

(x,y)=(2,-3)

8 0
2 years ago
Read 2 more answers
Help!! Find the value of x.
Rainbow [258]

Answer:

x = -10

Step-by-step explanation:

x + 75 + x + 125 = 180

2x + 200 = 180

2x = -20

x = -10

(In this problem a negative number is okay because the end value will be a whole number still.)

8 0
3 years ago
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