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
Travka [436]
4 years ago
7

M is the midpoint of , cm = 2x + 3, and md = 3x – 6. what is cd? answer

Mathematics
1 answer:
wlad13 [49]4 years ago
7 0
<span>If M is the midpoint of CD, CM = 2x+3 and MD = 3x-6, then:

MD = CM
3x - 6 = </span>2x + 3
3x - 2x = 3 + 6
x = 9

CM = 2x+3 = 2*9+3  18+3 = 21
MD = CM = 21
CD = CM + MD = 21 + 21 = 42
You might be interested in
The
Ivenika [448]

Answer:

i have the same question

7 0
2 years ago
Use segment addition postulate<br> If k is the midpoint of JL, JK=8x+11 and KL = 14x-1, find JL
labwork [276]
8x+11 =14x-1
x=2
plug 2 into the equations to find the lengths then add them
16+11=27=JK
28-1=27=KL
27+27=54
54=JL
6 0
3 years ago
A submarine is positioned at 300 feet below sea level. A bird is flying 100 feet above sea
Doss [256]

Answer:

400 ft.

Step-by-step explanation:

100 - (-300)

= 100 + 300

= 400 ft.

3 0
3 years ago
See image for details on question
exis [7]

Answer:

x +3

Step-by-step explanation:

You can solve this by factoring.

The numbers have to add to 10 and multiply to 21.

The first numbers that should come to mind are 7 and 3

(x+3)(x+7)

x+3 is the shorter side and there you go :)

7 0
3 years ago
At a Chinese restaurant you order hot and sour soup for $1.25 and beef with broccoli for $7.25. Sales tax is 10%. What is the to
lesya [120]

Answer:

c) $9.35 dollars

Step-by-step explanation:

1.25 + 7.25 = 8.50

8.50 x 0.10 = 0.85

8.50 + 0 .85 = $9.35

(May i please have brainleist i am trying to rank up :\ )

6 0
4 years ago
Other questions:
  • 9 hundred thousands equal how many ones
    13·1 answer
  • Please answer asap! i’ll mark you brainliest
    8·1 answer
  • Will a fluoride mouthwash used after brushing reduce cavities? Twenty sets of twins were used to investigate this question. One
    15·1 answer
  • How did he run the fastest
    9·2 answers
  • What is bigger 2/8 or 4/16
    11·2 answers
  • Determine if the function is even, odd, or neither:
    13·2 answers
  • I really don't understand this I need help
    15·1 answer
  • Dividing with decimals in the divisor <br> Just give me examples anything could work.
    10·1 answer
  • Help me I don't get it ..........................................
    8·2 answers
  • The house-numbers on a certain street go from 111 to 888888. The function B(n)B(n)B, left parenthesis, n, right parenthesis mode
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!