Register

What is the value of x? A)3 B)6 C)7 D)11

What is the value of x? A)3 B)6 C)7 D)11
91.2k views
0 votes
What is the value of x?
A)3
B)6
C)7
D)11

What is the value of x? A)3 B)6 C)7 D)11-example-1
User Daryl Gill
by
7.7k points

2 Answers

6 votes
whats the equation and i can help

User Masudur Rahman
by
8.2k points
5 votes
A= hb÷2
21=(x*(x+1))÷2
Just try all the choices out to get a total of 21.
=(3*(3+1))÷2
=(3*4)÷2
=12÷2 =6≠21

=(6*(6+1))÷2
=(6*7)÷2
=42÷2 =21
The answer is B. 6
User Daniel Stanca
by
8.5k points
← Prev Question Next Question →

No related questions found

Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories

Other Questions

How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
Link Copied!