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
Tomtit [17]
2 years ago
6

Find the area of a sector of a circle whose diameter is 21 cm and whose central angle is 10 degrees

Mathematics
1 answer:
Pavlova-9 [17]2 years ago
8 0

Answer:

Area 38.484510 dm^2 (square decimeters)

Step-by-step explanation:

You might be interested in
Please Help Me :((.
Sidana [21]

Answer:

4.2 h

Step-by-step explanation:

12 * (50%-15%) = 4.2 h

8 0
3 years ago
IF CORRECT ILLL BIVE U BRAINLIEST NEED FAST PLS
Montano1993 [528]

Answer: The first one -4x-3<13

Step-by-step explanation: because they didn't really tell us what happened to the 3 just that the 3 disappeared and the 13 became 16

5 0
1 year ago
Which algebraic expression represents the phrase “two times the quantity of a number minus 12”?
Yakvenalex [24]

Answer:

The algebraic expression which represents the phrase “two times the quantity of a number minus 12” is : 2x- 12

Step-by-step explanation:

Algebraic expressions are the idea of expressing numbers using letters or alphabets without specifying their actual values. The basics of algebra taught us how to express an unknown value using letters such as x, y, z, etc. These letters are called here as variables. An algebraic expression can be a combination of both variables and constants. Any value that is placed before and multiplied by a variable is a coefficient.

for example :-

3x + 4y – 7,  4x – 10, etc.

These expressions are represented with the help of unknown variables, constants and coefficients. The combination of these three (as terms) is said to be an expression. It is to be noted that, unlike the algebraic equation, an algebraic expression has no sides or equal to sign

let the quantity mentioned in the question be 'x'

therefore according to the statement the algebraic expression which represents the phrase “two times the quantity of a number minus 12” is : 2x- 12 is

⇒2x - 12 (answer)

more on algebraic expression at

brainly.com/question/20660076

#SPJ10

3 0
2 years ago
At a certain high school, 15 students play stringed instruments and
Aleks [24]

Answer:

<em>0</em> is the probability that a  randomly selected student plays both a stringed and a brass  instrument.

Step-by-step explanation:

Given that:

Number of students who play stringed instruments, N(A) = 15

Number of students who play brass instruments, N(B) = 20

Number of students who play neither, N(A \cup B)' = 5

<u>To find:</u>

The probability that a randomly selected students plays both = ?

<u>Solution:</u>

Total Number of students = N(A)+N(B)+N(A \cup B)' =15 + 20 + 5 = 40

(As there is no student common in both the instruments we can simply add the three values to find the total number of students)

As per the venn diagram, no student plays both the instruments i.e.

N(A\cap B) =0

Formula for probability of an event E can be observed as:

P(E) = \dfrac{\text{Number of favorable cases}}{\text {Total number of cases}}

P(A\cap B) = \dfrac{N(A\cap B)}{N(U)}\\\Rightarrow \dfrac{0}{40}\\\Rightarrow P(A\cap B) = 0

So, <em>0</em> is the probability that a  randomly selected student plays both a stringed and a brass  instrument.

5 0
3 years ago
I need help asap pls
DedPeter [7]

Answer: Its B

Step-by-step explanation: Hope this helps you

4 0
3 years ago
Read 2 more answers
Other questions:
  • At a football game a vender sold a combined total of 240 sodas and hot dogs the number of sodas sold was three times the number
    5·2 answers
  • In 2012, the average donation to the help way was $225 with a standard deviation of $45. in 2013, the average donation was $400
    15·1 answer
  • To test the claim that the resistance of electric wire can be reduced by more than 0.050 ohm by alloying, thirty two (32) values
    14·1 answer
  • How do you sovle 10-3x-1≥6x
    15·1 answer
  • What is the sign of -x/-y when x&gt;0 and y &gt;0?
    10·1 answer
  • A 10 kg ball is traveling at the same speed as a 1 kg ball. Compared to the 10 kg ball, the 1 kg ball has...
    15·1 answer
  • In how many different ways can up to 4 students be selected from 6 girls and 7 boys if each selection must have an equal number
    6·1 answer
  • Drag the tiles to the correct boxes to complete the pairs. Not all tiles will be used.
    6·1 answer
  • Correct answer gets brainliest . Pay attention choose wisely .
    12·2 answers
  • Five more than twice a number is nine.<br> What is the number?
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!