Since the triangle is equilateral (you can tell by the tick on each side), all angles have the same measure as well.
The angles of a triangle sum up to 180 degress, so three equal angles must measure 60 degrees each.
So, in particular, we have
7x + 4 = 60 7x = 56 x = 8
Answer:
y=3x-27
Step-by-step explanation:
To solve for y, you need to subtract b from both sides so only y is on the left side of the equal sign.
y = c - b
<span>The sash needs to be 184.912 cm. to equal 72.8 in.</span>
Answer:
30 students
Step-by-step explanation:
Yesterday: 1/3 of the 75 students (75 / 3) = 25 students
There are now 50 students remaining to give their speeches.
Today: 2/5 of the 50 students (50 / 5 = 10 x 2 ) = 20 students
50 - 20 = 30 students remaining to give their speeches.
