Register
NO LINKS!!! PLEASE! You score an 86 on the first of two exams. Write and solve an equation to find the score (x) that you need on the second exam to have a mean score of 90.
55.4k views
4 votes
NO LINKS!!! PLEASE!

You score an 86 on the first of two exams. Write and solve an equation to find the score (x) that you need on the second exam to have a mean score of 90.

User Delphi
by
4.3k points

1 Answer

3 votes

Answer:

x = 94

Explanation:

(86 + x)/2 = 90

86 + x = 180

x = 94

User Gaurav Saxena
by
4.7k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

4.7m questions

6.1m answers

Other Questions

I need to simplify this expression.
Which property is shown in the problem below? -8(x-3y-9) = -8x+24y+72 A the associative property B the commutative property C the distributive property D the division property ASAP
What is the domain and range?
If in circle A is 60°, what is m∠BDC? A. 60 B. 45 C. 30 D. 25
Reduce this algebraic fraction. 36x^5y^8z^10/15x^5y^7z^2
Link Copied!