3 years ago

What does x equal? Thanks!

Mathematics

2 answers:

Tasya [4]3 years ago

7 0

Answer:

Hi there!

The answer to this question is x=79

Step-by-step explanation:

using the triangle sum theorem

you know all angles add up to 180

so in other words: x+(x-17)+39=180

then you simplify: 2x=158

x=79

mel-nik [20]3 years ago

3 0

X+x-17+39=180
2x+22=180
Subtract 22 from both sides
2x=158
X= 79

You might be interested in

Which of the following equations is of the 2nd degree complete?

Komok [63]

Answer:

it's D

Step-by-step explanation:

i just know what I am talking about

4 0

3 years ago

A plane intersects a rectangular pyramid horizontally as shown. Describe the cross-section. A) circle B) rectangle C) trapezoid

Paladinen [302]

A plane cuts horizontally across a rectangular pyramid will always be a rectangle. (Answer B)

6 0

3 years ago

Read 2 more answers

A textbook store sold a combined total of

omeli [17]

M+p=475
m=p-61
replace m in equation 1 with p-61: p-61+p=475
2p=475+61=536
p=268
m=207

8 0

3 years ago

Add. (−5x4+6x2−43)+(6x4−x2+12x+12) Express the answer in standard form. Enter your answer in the box.

Elan Coil [88]

Answer:

x^2+12x-15

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

An artist makes paperweights in the shape of square pyramids. The paperweights are filled with yellow sand. How much sand does t

sattari [20]

Answer: he needs to mesure

Step-by-step explanation:

4 0

2 years ago