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
iogann1982 [59]
2 years ago
9

ABC measures 140° and is bisected by BD. What is mDBC= ?

Mathematics
1 answer:
meriva2 years ago
3 0

Answer:

angle abc =140°

and bd bisected by bd so, bd divede angle abc.

angle dbc= angle abc / 2

angle dbc=140°/2

angle dbc=70°

You might be interested in
Which answer best describes how to solve this story problem? A local store plans to put three coupons in each mailbox on a stree
shusha [124]
You would want to multiply 16 by 3 and then multiply 17 by 3 and after that add them together.
6 0
2 years ago
Read 2 more answers
Convert the following repeating decimal to a fraction in simplest form .31 with the 1 repeating
bekas [8.4K]

Answer:

14/45

Step-by-step explanation:

So we have the fraction:

0.3\bar1=0.31111...

We can do this algebraically. Follow to following steps:

Let's let this number equal to n. Thus:

0.31111...=n

Since there is only 1 digit repeating, let's multiply everything by 10. So:

3.1111...=10n

Now, subtract n from both sides:

3.1111-n=10n-n

On the left, substitute the number for n. On the right, combine like terms:

3.1111...-0.31111...=9n

All of the 1s will cancel. So:

3.1-0.3=9n

Subtract:

2.8=9n

Divide both sides by 9:

n=2.8/9

Remove the decimal by multiplying both sides by 10:

n=28/90

Reduce:

n=14/45

And we're done!

Use a calculator to check:

14/45\stackrel{\checkmark}{=}0.31111...

7 0
3 years ago
If n =270 and (p-hat) =0.43, find the margin of error at a 99% confidence level.. give answer to 3 decimals
Troyanec [42]

Answer:

0.078

Step-by-step explanation:

Margin of error = z√(p(1-p)/n)

Given

p-hat = 0.43

n = 270

z at 99% confidence interval = 2.576

Substitute

MOE = 2.576√0.43(1-0.43)/270

MOE = 2.576√0.43*0.57/270

MOE = 2.576√0.2451/270

MOE = 2.576*0.030129

MOE = 0.078

Hence the margin og error is 0.078

7 0
2 years ago
Rudolph ate 338
Valentin [98]

Answer:

627  pounds

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Find the slope of the line y= -8/5x + 2
VikaD [51]

Step-by-step explanation:

Given

y = - 8 /5 x + 2

Comparing the given equation with y = mx + c

slope (m) = - 8/5

Hope it will help :)

7 0
2 years ago
Other questions:
  • Generate the first five terms in the sequence using the explicit formula. cn= 12n - 11
    15·1 answer
  • If x+y+z=9, xy+yz+zx =26; find x²+y²+z²
    7·2 answers
  • The formula NEXT = 2 • NOW models the number of bacteria in a test tube. There were 10 bacteria in the test tube after the first
    10·2 answers
  • 2 more than the sum of a number and 5
    7·1 answer
  • What is the measure of angle A?i really need help guy will mark brainliest!! please hurry
    5·2 answers
  • What is the area of a triangle<br> with the base of 20 inches and a<br> height of 6 inches?
    8·2 answers
  • Can u help answer this
    7·2 answers
  • AB = BC
    11·2 answers
  • Can you please help me with this?​ 50pts if it's correct.
    15·2 answers
  • How many feet are in 120 inches?
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!