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
borishaifa [10]
3 years ago
5

20 POINTS!!!!!

Mathematics
1 answer:
harina [27]3 years ago
4 0

Answer:

20.  300π m³

21.  457 1/3 π cm³

Step-by-step explanation:

20. r = 10 ÷ 2 = 5

V = 5² × 12 × π = 25 × 12π=300π m³

21. r = 14 ÷ 2 = 7

V = \frac{4}{3} \pi 7x^{3}

V = 457 1/3 π cm³

You might be interested in
One angle in a triangle has a measure that is three times as large as the smallest angle. The measure of the third angle is 40 d
svetlana [45]

Answer:

84°

Step-by-step explanation:

smallest angle=x

3x=2nd angle

x+40=3rd angle

angles in a triangle add up to 180 degrees so

5x+40=180

5x=140

x=28

largest angle = 3x

so 3 x 28 = 84 degrees

The largest angle is 84 degrees

7 0
3 years ago
Read 2 more answers
Infinity - infinity?
pav-90 [236]
Do you mean what does infinity + infinity equals to? If so, infinity + infinity = infinity.
3 0
3 years ago
Find the common difference for the sequence shown 1/4,5/16,3/8
Vladimir79 [104]
<span>common difference for the sequence = 1/16

cause
1/4 = 4/16
and
3/8 = 6/16

so
4/16 + 1/16 = 5/16
5/16 + 1/16 = 6/16

</span>
4 0
3 years ago
HELP ME PLEASE!
Mashcka [7]

Answer:

Y=3x+12 (its the first option)

Step-by-step explanation:

I did the assignment.

8 0
3 years ago
Read 2 more answers
What number am i thinking of?<br> a. 21<br> b. 9<br> c. 69<br> d. 7
icang [17]
Your thinking of the number 69
6 0
3 years ago
Other questions:
  • A blazer cost $38 and you pay $39.90. how much is the sales tax rate
    5·1 answer
  • Solve for x, y, and z.
    8·1 answer
  • Simplify the expression. -4k^4j^5^3<br> - -64% 33,30<br> -64<br> -64% 17,18<br> 64% 33,36
    13·1 answer
  • Read the passage.
    13·1 answer
  • Evaluate 3x3 − 2x2 for x = -2.
    9·2 answers
  • Free points!!! <br> Answer your favorite color for 20 points
    14·2 answers
  • Is the sum of 398 and 6578 odd or even?
    8·2 answers
  • 5a+12b+30c ; a=3, b=2, and c=1 evaluate the expression for the given value of the variable.
    14·1 answer
  • What is the solution to the system of equations graphed below?
    13·1 answer
  • You have to evaluate<br> 3³+11-10÷2×4=w
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!