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
kykrilka [37]
3 years ago
11

Help Please 25 points for real answers

Mathematics
1 answer:
trasher [3.6K]3 years ago
7 0
1. B
 
2. D

3. C= πD
 a) 204π or  641 cm 
A= π r²
 b) π (102)²
10404π squared cm or 32669 squared cm

4. C

5. D
You might be interested in
Find the number that makes the ratio equivalent to 4:5. 28:_
Olin [163]

Answer:

7

Step-by-step explanation:4*7=28

Therefore 5*7=35

28:35= 4:5

3 0
1 year ago
X to the power of three equals 343
Norma-Jean [14]
X^3= 343

Find the cube root of both sides
∛x^3 = ∛343

x= 7

Final answer: x=7
3 0
3 years ago
Alex reads about 200 words per minute. The book he needs to read is 320 pages long and has about 275 words per page. How many ho
grandymaker [24]

Answer:

7.3333 hours

Step-by-step explanation:

if im wrong oh well lol 275x320=88000 divided by 200 =440 divided by 60=7.3333

5 0
2 years ago
2. How are rectangles and paralelograms diferent?
Gwar [14]

Answer:

A parallelogram has two parallel pairs of opposite sides. A rectangle has two pairs of opposite sides parallel, and four right angles. It is also a parallelogram, since it has two pairs of parallel sides.

5 0
3 years ago
Simplify the following expression (30/45g+20)-(8/9g+7)
amid [387]

The answer is: 13-\frac{2}{9}g

The explanation is shown below:

1- You have the following expression given in the exercise:

(\frac{30}{45}g+20)-(\frac{8}{9}g+7)

2- When you multiply signs, you obtain:

\frac{30}{45}g+20-\frac{8}{9}g-7

3. Now, you must add like terms, as following:

-\frac{2}{9}g+13

4. Therefore, you have that the expression simplified is:

13-\frac{2}{9}g

8 0
3 years ago
Other questions:
  • How do you make 1 3/4 an improper fraction?
    7·1 answer
  • Help help help help help help help help
    7·2 answers
  • What is 77+(83+15)? In Math
    9·2 answers
  • What is -2/3 as a decimal
    11·2 answers
  • PLEASE SHOW WORK :))
    8·1 answer
  • Is 0.9 greater than 1.01
    14·2 answers
  • Solve the system by the substitution method.<br> x^2+y^2=61<br> x-y=1
    14·1 answer
  • The rate of the jet stream is 100 miles per hour. Traveling with the jet​ stream, an airplane can fly 1200 miles in the same amo
    5·1 answer
  • This cylinder has a volume of 392\pi392π cubic inches and a diameter of 14 inches. Find the radius and the height.
    9·1 answer
  • Can someone solve this please!
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!