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2 years ago

Find the value of x. Then find the angle measures of the polygon.

Mathematics

1 answer:

Minchanka [31]2 years ago

5 0

Answer:

35° , 40° , 105°

Step-by-step explanation:

the sum of the 3 angles in the triangle = 180° , then

3x + x + 40 = 180 , that is

4x + 40 = 180 ( subtract 40 from both sides )

4x = 140 ( divide both sides by 4 )

x = 35

3x = 3 × 35 = 105

the 3 angle measures are 35° , 40° , 105°

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Question 13 If the nth term of a sequence is 6n + 4 what is the 9th term?

GarryVolchara [31]

Answer:

Step-by-step explanation:

hello :

the 9th term when : n=9

6(9) + 4 =58

4 0

3 years ago

8x + 7 + 7x - 2=90 I need this to be solved ASAP

malfutka [58]

Answer:

ok so

Step-by-step explanation:

8x + 7 + 7x - 2=90=>

=> 15x+5= 90

=> 15x=90 - 5=>

=> 15x =85= x= 5.6666...

6 0

3 years ago

Read 2 more answers

*NEED HELP ASAP*

GrogVix [38]

X^2 + y^2 - 2x + 7y + 1 = 0

(x^2 - 2x) + (y^2 + 7y) + 1 = 0

(x^2 - 2x + 1) + (y^2 + 7y) + 1 = 0+1

(x^2 - 2x + 1) + (y^2 + 7y + 49/4) + 1 = 0+1+49/4

(x - 1)^2 + (y + 7/2)^2 + 1 = 0+1+49/4

(x - 1)^2 + (y + 7/2)^2 + 1-1 = 0+1+49/4-1

(x - 1)^2 + (y + 7/2)^2 = 49/4

(x - 1)^2 + (y + 7/2)^2 = (7/2)^2

The final answer is choice B

7 0

3 years ago

Read 2 more answers

Given f(x) = 2x2 + 4x - 3 and g(x) = 5x – 2, find f(x) · g(x).

8090 [49]

Answer:

i don't have and idea

Step-by-step explanation:

8 0

3 years ago

If (-3, y) lies on the graph of y = 3-x, then y = 1/27 -27 27

Vilka [71]

Answer:

y = 6

Step-by-step explanation:

[] We can plug in our x value of -3, from the coordinate point, and solve for y.

y = 3 - x

y = 3 - (-3)

y = 3 + 3

y = 6

[] We can also graph the equation, and find the point where x = -3

-> See attached

I do not see this option in the answers you have provided, so either I miss interpreted something, or something else got messed up.

Have a nice day!

I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly.

- Heather

6 0

3 years ago