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
OlgaM077 [116]
3 years ago
11

What is the length of AC?

Mathematics
1 answer:
EastWind [94]3 years ago
8 0

Answer:

Step-by-step explanation:

the triangles are proportional

9/81=1/3

140-x/x=1/3

3(140-x)=x

420-3x=x

4x=420

x=420/4 = 105

You might be interested in
Multiply each polynomial <br><br> (x + 5)(x+4)<br><br> teach me step by step
lara [203]

Answer: x^2 + 9x + 20

Step-by-step explanation:

Foil Method: (a + b) (c + d) = ac + ad + bc + bd

Lets say:

a = x

b = 5

c = x

d = 4

Plugging in the numbers: xx + 4x + 5x + 5*4

Combine like terms:

xx = x^2

4x + 5x = 9x

5 * 4 = 20

You're then left with: x^2 + 9x + 20

6 0
3 years ago
10
MA_775_DIABLO [31]

Answer:

8

Step-by-step explanation:

how i got cause i had same answer not to long ago

7 0
3 years ago
Y
Art [367]

Answer:

60 square units

Step-by-step explanation:

3 0
3 years ago
Based on the graph, which statement BEST describes what is happening to the temperature over time?( picture 1 )
kotykmax [81]
Number 1 is A, number 2 is B number three is D
5 0
3 years ago
AHHH PLS HELP QUICK ILL GIVE U BRAINLIEST &lt;3​
nika2105 [10]

Answer:

10

Step-by-step explanation:

19 divided by 19 is equal to 1 so you cross out 19 and are left with "b".

190 divided by 19 is equal to 10.

b=10

7 0
3 years ago
Read 2 more answers
Other questions:
  • If a business student is selected at random, what is the probability that the student is either enrolled in accounting or statis
    7·1 answer
  • If 17 bumper stickers cost $13.94, then 11 bumper stickers cost?
    7·2 answers
  • Please help me on this
    9·2 answers
  • 1. A weather forecaster says that the temperature is changing at a rate of -8° per hour. At this rate, how long will it take for
    6·1 answer
  • How do arithmetic sequences and series differ?
    15·2 answers
  • 6x+12 in its simplest form?
    14·2 answers
  • ?, -3-5,7,11 find the sequence​
    7·1 answer
  • What is the nth term rule of the quadratic sequence below?
    12·1 answer
  • Write a system of equations to describe the situation below, solve using elimination, and fill in the blanks.
    5·1 answer
  • Y= 4x + 2<br> where the domain is the set of all of<br> the positive even numbers<br> less than 10.
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!