Answer:
x = 30°
Step-by-step explanation:
<u>The angles of a pentagon add up to 540°</u>
Make an equation adding up the angles to equal 540°
x + 4x + 4x + 135° + 135° = 540°
Simplify
9x = 270°
Divide
x = 30°
1.add all of the votes together.
2. you should get 170
Comment : i see you are dividing 170 by 12. Yea , don't do that. convert 12 into a decimal. for that all you have to do is move the
decimal 2 times to the left. (always do that)
3. Now that you know that multiply 170 and 0.12.
4. you should get 20.4 students, but round it to 20 students
Answer: 20 students voted for Mrs.Alberto
Answer:
C. Ferris wheel
Step-by-step explanation:
Circumference = pi x diameter
Take each of the entries from the diameter column and multiply by 3.14. They are all correct except for the Ferris wheel.
70.5 x 3.14 = 221.37
Answer: x^2-3x+15
Step-by-step explanation:
Combine the like terms.
x^2 -3x+15