Solve for x in the diagram below.
3xº
75°

x = 35°

Step-by-step explanation:

A flat line = 180°

Knowing that, we can make an equation:

3x + 75 = 180

Now, solve:

3x + 75 = 180

    -  75   - 75

3x = 105

x = 35

Hope this helps :)

x=35

Step-by-step explanation:180-75=105

105/3=35

explanation:

previous steps have made pa≅ pb ≅ st ≅ su. setting the compass width to ab allows you to make tu the same length. then δstu ≅ δpab by the sss congruence postulate, and ∠p ≅ ∠s by the reason cpctc.

answer: - (a)

(b) 88 seats

step-by-step explanation:

given: in an auditorium, there are 22 seats in the first row and 28 seats in the second row.

thus first term=

second term=

the number of seats in a row continues to increase by 6 with each additional row.

⇒d= 6

a) given formula :

b)   let the number of seats (n) = 12

substitute n=12 in the explicit rule formed in (a)

∴there are 88 seats in 12 rows.