PLEASE HELP Points A, B, and C lie on line segment AC. The ratio of AB:BC is 3:7, and the length of AC = 120. What is the length of BC?

2 answers
Question:

PLEASE HELP
Points A, B, and C lie on line segment AC. The ratio of AB:BC is 3:7, and the length of AC = 120. What is the length of BC?

Answers

[tex]AB:BC=3:7\to AB=3x,\ BC=7x\\\\AB+BC=AC\to3x+7x=120\\\\10x=120\ \ \ |:10\\\\x=12\\\\BC=7x\to BC=7(12)=84[/tex]

Answer:AB= 12 cm, BC= 8 cmStep-by-step explanation:A:B= C:B=3:2AB=3/2 BCAC = 20 = AB+BC20 = 3/2 BC+BC1 3/2 = 20BC=8AB= 20-8=12I know this is the correct answer I've completed it and gotten the right answer

Similar Solved Questions

1 answer

During World War I many American women help gain support for the suffrage movement by A) protesting against the war B) joining the military service C)working in wartime factories D)lobbying for child care facilities

During World War I many American women help gain support for the suffrage movement by A) protesting against the war B) joining the military service C)working in wartime factories D)lobbying for child care facilities...
2 answers

Melissa has 56 pens and 37 more pencils than pens. How many pencils did Melissa have?

Melissa has 56 pens and 37 more pencils than pens. How many pencils did Melissa have?...
1 answer

_____ refers to searching and capturing new ideas that lead to business opportunities. Opportunity charging Entrepreneurial alertness Opportunity recognition Opportunity encryption

_____ refers to searching and capturing new ideas that lead to business opportunities. Opportunity charging Entrepreneurial alertness Opportunity recognition Opportunity encryption...
1 answer

What is angle y and z​

What is angle y and z​...
2 answers

How to solve 17=-13-8x

How to solve 17=-13-8x...
2 answers

Which can be inferred from these lines describing the pardoner in chaucers prologue to the Canterbury tales? He had a fine Veronica sewed to cap. His wallet may before him in his lap, Stuffed full of pardons brought from Rome all hot. A. He had a scholarly look B. He was an unethical man C. He was an honest person D. He pretended not to care for riches E. He cared about people’s well being

Which can be inferred from these lines describing the pardoner in chaucers prologue to the Canterbury tales? He had a fine Veronica sewed to cap. His wallet may before him in his lap, Stuffed full of pardons brought from Rome all hot. A. He had a scholarly look B. He was an unethical man C. He w...
1 answer

1. Briefly address the issue of racism in the criminal justice system. 2. Define the Fair Sentencing Act of 2010. What role does it play in the mass incarceration of minority members of society?

1. Briefly address the issue of racism in the criminal justice system. 2. Define the Fair Sentencing Act of 2010. What role does it play in the mass incarceration of minority members of society?...
1 answer

Which equation has the solution, n=1.1 ? Answer Choices 3n+5=1.7 4n+6=1.6 3.3n−6.7n=11 3n+1.7=5

Which equation has the solution, n=1.1 ? Answer Choices 3n+5=1.7 4n+6=1.6 3.3n−6.7n=11 3n+1.7=5...
2 answers

3xzx = 4, z = 2Evaluate the expression ​

3xzx = 4, z = 2Evaluate the expression ​...
1 answer

What is the volume of this pyramid

What is the volume of this pyramid...
2 answers

I NEED HELP FAST (25 points)

I NEED HELP FAST (25 points)...
1 answer

The question is shown in the picture

The question is shown in the picture...
2 answers

PLEASE PLEASE PLEASE HELP

PLEASE PLEASE PLEASE HELP...
2 answers

Dante pours hot tea into a mug that is cool to the touch. Which best explains what will happen now?

Dante pours hot tea into a mug that is cool to the touch. Which best explains what will happen now?...
1 answer

3. Part A What is the main conflict in this selection? A. Manuel vs. his brother B. Manuel vs. his mother C. Manuel vs. Mr. Cutty D. Manuel vs. himself

3. Part A What is the main conflict in this selection? A. Manuel vs. his brother B. Manuel vs. his mother C. Manuel vs. Mr. Cutty D. Manuel vs. himself...
1 answer

Blank is a measure of how heavy a object is

Blank is a measure of how heavy a object is...
1 answer

Question 10 (0 points) qué pronoun adjective interjection conjunction

Question 10 (0 points) qué pronoun adjective interjection conjunction...
1 answer

Please help me ASAP!!!

Please help me ASAP!!!...
1 answer

Foreign employment is obligation rather than choice why

Foreign employment is obligation rather than choice why...
1 answer

Simplify this expression. 20.25 – 9 3 + 11

Simplify this expression. 20.25 – 9 3 + 11...

-- 0.009667--