4 years ago

Help me please thank you

Mathematics

1 answer:

BabaBlast [244]4 years ago

3 0

Let's use a formula in order to find how much the interior angles are supposed to add up to.

(n-2)×180; n is the number of angles.

(5-2)×180= 3×180=540

We need for the interior angles to add up to 540. Let's make an equation.

100+102+108+121+x=540

431+x=540; let's find x.

540-431= 109

So, X= 109°

You might be interested in

Given: WXYZ is a rhombus. If 5 = 20°, then 1 = 20 40 70

Firlakuza [10]

Answer:

Step-by-step explanation:

alternate angles of two parallel lines WX and ZY

5 0

3 years ago

Is this linear or non linear? x. 0,2,4,6 y. 2,6,18,38

quester [9]

I’m pretty sure that will be linear.

3 0

3 years ago

Match each polynomial expression with its simplification.

Ann [662]

(3x + 2x -2) + (4x - 2x + 8) = 7x + 6

(2x + 5) + ( 7x - 10) + (3x - 4) + (4x -6) = 16x - 15

(4 + 2x3) + (5x3 + 2) = 27

(6x2 + 3x - 8) + ( 2x2 - 5x - 9) = 8x2 - 2x - 17

(4x2 - 9x3 + 2x4) + (8x4 - 3) + (5x3 - 7x2) = 19

(3 - 4x3 +6x4) + (2x4 + 5) + (9x3 - 8x2) = 39

(9x + 7y4) + (5x + 3x2 - 7y4) = 3x2 + 14x

(9x2 - 5y - 12) + (8 - 9x2 + 5y + 4) = 0

4 0

3 years ago

The sum of three numbers is 160. The third number is 4 times the second. The first number is 10 more than the second. What are t

const2013 [10]

160 = (10 + x) + x + 4x
160 = 6x + 10
150 = 6x
150/6 = x
x = 25

second number = x = 25
third number = 4x = 100
first number = x + 10 = 35

5 0

3 years ago

Which is a factor of x2 - 9x + 14? O X-9 O X-2 O x + 5 O x + 7

Vinil7 [7]

(X-7) and (x-2)
Factor x2 -9x+ 15 using the AC method

6 0

3 years ago

Read 2 more answers