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
Vika [28.1K]
2 years ago
6

PLEASE HELP I DONT UNDERSTAND AND NOBODY WILL HELP ME

Mathematics
1 answer:
Dima020 [189]2 years ago
4 0

Answer:

radius=3

Step-by-step explanation:

volumes of a cone = 1/3πr²h

12π = 1/3× π × r² × 4

37.7 = 12.6r²/3

cross multiply

37.7×3=12.6r²

113.1=12.6r²

make r² subject of the formula

r²=113.1÷12.6

r²=8.976

r=√8.976

r=2.996

r=3.0 (to the nearest tenth)

You might be interested in
The table shows the estimated number of deer living in a forest over a 5 year period. Which type of function best models the dat
jek_recluse [69]

Answer:

C ) exponential :  y = 100 * 0.79^x

Step-by-step explanation:

8 0
3 years ago
If the dimensions of a rectangle are A plus 3b and A minus 3b what is the area of the rectangle
tresset_1 [31]

area=legnth times width

we notice this is a special case

(a+b)(a-b)=a^2-b^2

area=(a+3b)(a-3b)=a^2-9b^2

area=a^2-9b^2

5 0
3 years ago
Three dentists wanted to compare the ages of their patients. They each calculated their patients’ mean age and the mean absolute
Alexus [3.1K]
Dr. Appiah’s patients’ ages vary less than do Dr. Singh’s patients’ ages.


GARBAGE DAY!
3 0
3 years ago
Read 2 more answers
Name the slope perpendicular to 3/4.
Gnom [1K]

Answer:

The perpendicular slope is -4/3

Step-by-step explanation:

Perpendicular slopes multiply to -1

m * 3/4 = -1

Multiply each side by 4/3

m * 3/4 *4/3 = -1 * 4/3

m = -4/3

The perpendicular slope is -4/3

8 0
3 years ago
Read 2 more answers
Find an expression which represents the sum of (-8x+7y)(−8x+7y) and (2x-2y)(2x−2y) in simplest terms.
Yakvenalex [24]

Answer:

(-8x+7y)(−8x+7y)+(2x-2y)(2x−2y)= simplified - 68x^2+53y^2−120xy

I hope this helps ! <3

Step-by-step explanation:

3 0
3 years ago
Other questions:
  • What is the product of −4 1/2 and 2 1/2 ?
    8·2 answers
  • HELP PLEASE!!!! Three sides of a triangle are three consecutive positive integers such that the product of the first two is 22 l
    11·2 answers
  • Is the point (1,3) solution to the linear equation 5x-9y=32 explain
    8·1 answer
  • Jason spent one third of his allowance going to the movies. He washed the family car and earned $7. What is weekly allowance if
    6·1 answer
  • According to the last census (2010), the mean number of people per household in the United States is LaTeX: \mu = 2.58 Assume a
    8·1 answer
  • 9. Find the area of a circle having a circumference of 382. Round to the nearest tenth. Use 3.14 for 1.
    15·1 answer
  • Find the equation of the line through the points (6, -9) and (-2, -1).
    10·1 answer
  • Write an equation of a line in slope-intercept form that is parallel to the line y=3/5x+3 and passes through the point (5,1)
    14·1 answer
  • 7. Which of the following is equal to<br>AnB ?​
    12·1 answer
  • Answer the question please ​
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!