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
-BARSIC- [3]
2 years ago
10

In circle C, mDE = 84°. Find each measure.1. measure of angle EFD​

Mathematics
1 answer:
Paladinen [302]2 years ago
5 0
<h3>Answer: 42 degrees</h3>

Reason:

Use the inscribed angle theorem. Central angle DCE subtends the arc DE, so angle DCE = 84 degrees. Inscribed angle EFD is also subtending this same arc (DE), meaning we cut the arc/central angle measure in half to get 84/2 = 42.

You might be interested in
Solve the equation. -7 = -1 + x/3
pochemuha

Answer:

x= -18

Step-by-step explanation:

We want to isolate x ( move everything to the other side of the equation)

-7 = -1 + x/3

-6 = x/3

x= 3*-6

x= -18

6 0
3 years ago
Read 2 more answers
X:y=5:3 and x+y=56<br> work out he value of x-y
Alex

Answer:14

Step-by-step explanation:

x+y=56

x:y=5:3

Sum of ratio=5+3

Sum of ratio=8

x=5/8x56

x=(5x56) ➗ 8

x=280 ➗ 8

x=35

y=3/8x56

y=(3x56) ➗ 8

y=168 ➗ 8

y=21

x-y

35-21=14

x-y=14

3 0
3 years ago
Read 2 more answers
Determine 2nd term and rth term of a.p.whose 6 th term is 12 and 8 th term is 22​
Vanyuwa [196]

Answer:

see explanation

Step-by-step explanation:

The n th term of an arithmetic progression is

a_{n} = a₁ + (n - 1)d

where a₁ is the first term and d the common difference

Given a_{6} = 12 and a_{8} = 22, then

a₁ + 5d = 12 → (1)

a₁ + 7d = 22 → (2)

Subtract (1) from (2) term by term to eliminate a₁

2d = 10 ( divide both sides by 2 )

d = 5

Substitute d = 5 into (1) to find a₁

a₁ + 5(5) = 12

a₁ + 25 = 12 ( subtract 25 from both sides )

a₁ = - 13

Thus

a_{2} = - 13 + 5 = - 8

a_{n} = - 13 + 5(n - 1) = - 13 + 5n - 5 = 5n - 18 ← n th term

8 0
3 years ago
Does it help to remember and/or list out your square roots
ololo11 [35]
It is a good thing to remember. Of course, not all, but some basic numbers that appear all the time such as the numbers from 2 to 13 should be remembered as they appear in numerous assignments and tests.
6 0
3 years ago
What conversion factor should be used to convert from gigaliters to liters?
GarryVolchara [31]
<span>The correct answer is 10^9  happy to help! </span><span />
5 0
3 years ago
Other questions:
  • Maria works for an automobile dealership. She earns a 10% commission on each motorcycle she sells and a 15% commission on each c
    15·2 answers
  • What is .40 = .25 X​
    5·1 answer
  • A woman has a total of $ 13 , 000 to invest. She invests part of the money in an account that pays 10 % per year and the rest in
    10·1 answer
  • Jacob has 98 pennies. how many quarters does he have?
    8·2 answers
  • What is the product in lowest terms? 1/6 • 5/7
    12·1 answer
  • Cos^2xcos^2x/2 -sin^2(x/2 -pi/4)sin^2x
    8·1 answer
  • The sum of a number times 9 and 21 is at most -25.
    13·1 answer
  • PLEASE HELP ME I NEED THIS DONE ASAP NO LINKS !!!
    9·2 answers
  • A certain music club charges an annual membership fee of $99, in return, its members will be able to buy and download songs at a
    14·1 answer
  • A publisher displays its latest magizine on its website
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!