1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
stellarik [79]
3 years ago
6

Yo can somebody help me with this question

Mathematics
1 answer:
nydimaria [60]3 years ago
6 0

Answer:

\huge\boxed{x=9}

Step-by-step explanation:

\angle A\cong\angle B\qquad\text{therefore}\qquad AC\cong BC\Rightarrow|AC|=|BC|\\\\\text{We have}\ |AC|=20;\ BC=3x-7.\\\\\text{Therefore}\\\\3x-7=20\qquad|\text{add 7 to both sides}\3x-7+7=20+7\\\\3x=27\qquad|\text{divide both sides by 3}\\\\\dfrac{3x}{3}=\dfrac{27}{3}\\\\x=9

You might be interested in
9. Three minutes after a hot tub starts to fill, the tub contains 24
Marianna [84]

Answer:

8 gallons per minute

Step-by-step explanation:

24 gallons in 3 minutes

you divide 24 by 3 which is 8

40 gallons in 5 minutes

you divide 40 by 5 which is 8

the relationship is that in both the answer was 8 as in 8 gallons per minute

6 0
3 years ago
Emily is trying to rewrite 45 - 27 as the product of the GCF of the two numbers and
Karolina [17]
No, it won’t work. The greatest common factor between 45 and 27 is 9, but 45-27=18. So it cannot work.
3 0
2 years ago
33 degrees, 87 degrees, x=?
zheka24 [161]

Answer:

60°

Step-by-step explanation:

180 - 33 - 187 = 60

4 0
3 years ago
Read 2 more answers
(-7) x (-7)to the 11th power
masha68 [24]

Answer:

(-7)×(-7)=+49

You change the signs and multiple

5 0
3 years ago
Read 2 more answers
To the nearest square inch, what is the area of the shaded sector in the circle shown below
egoroff_w [7]
We would need to know the measurements of the circle to answer this  
6 0
3 years ago
Read 2 more answers
Other questions:
  • during a sale at the local department store, you buy three sweatshirts and two pairs of sweatpants for $85.50. later you return
    11·1 answer
  • Please help me with the whole page. I need the answers and calculations please!
    11·1 answer
  • $.50 for a book that was only 10 days overdue.
    11·2 answers
  • Simplify the expressions. Show your work. 3x(4x^4-5x)
    10·1 answer
  • Marty’s mom is applying for a job as a secretary. Part of the job involves being able to type. If Marty’s mom knows she can type
    15·2 answers
  • Lita estimates she will read 24 books during the summer. She actually reads 9 books. What is the percent error of her estimate?
    12·2 answers
  • If F (x) =8+11 X-3X², find<br> a. What is F (5)? <br> b. What is F (x + b)? <br> c. What is F (-3)?
    8·1 answer
  • What are the square number factors of 56?​
    13·1 answer
  • 1. Which best describes your ability to solve quadratic equations?<br>​
    14·1 answer
  • Given an expression such as 3x + 2y, find the value of the expression when x is equal to 4 and y is equal to 2.4 Given an expres
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!