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
Svetlanka [38]
3 years ago
8

A set of two concentric circles is

Mathematics
1 answer:
solniwko [45]3 years ago
5 0

Answer:

i need help on that to

Step-by-step explanation:

plese

You might be interested in
Find the equation of the line parallel to the line y = 4x – 2 that passes through the point (1, 5).
Lesechka [4]

Answer:

4x-y+1=0

Step-by-step explanation:

here,given equation of a line id

4x-y-2=0.. eqn(i)

equation of any line parallel to line (i) is

4x-y+k=0...eqn(ii)

since, the line(ii) passes through (1,5)[replacing x=1 and y=5 in eqn(ii), we get]

4*1-5+k=0

or, 4-5+k=0

or,-1+k=0

•°•k=1

substituting the value of k=1 in eqn(ii),

4x-y+1=0 is the required equation of the line.

4 0
3 years ago
2.1 x 10^5 +4.3 x 10^4
Alla [95]

Answer:

253,000

Step-by-step explanation:

  1. 10^{5} = 100000  
  2. 10^{4} = 10000  
  3. Plug the above answers in: 2.1 × 100,000 + 4.3 × 10,000
  4. 2.1 × 100,000 = 210,000
  5. Plug 210,000 in: 210,000 + 4.3 × 10,000
  6. 4.3 × 10,000 = 43,000
  7. Plug 43,000 in: 210,000 + 43,000
  8. 210,000 + 43,000 = 253,000

I hope this helps!

4 0
3 years ago
Expanded form of 680,705
denis23 [38]

\huge\boxed{600,000 + 80,000 + 700 + 5}

To find expanded form, we need to split up the digits. When you do that, you take one digit and cut off everything to the left of it, then make everything to the right zeros.

600,000 + 80,000 + 0 + 700 + 0 + 5

We don't need to keep the zeros.

\boxed{600,000 + 80,000 + 700 + 5}

We can check this by adding the numbers back up to get 680,705.

680,000 + 700 + 5

680,700 + 5

680,705

6 0
4 years ago
(1/2)power 5=?? please help
Mashutka [201]

\frac{1}{2} \: to \: the \: power \: of \: 5 \: is \:  \frac{1}{32} or \: 0.03125

4 0
3 years ago
Read 2 more answers
A flu has hit a city and the percentage of a population with the flu, t days after the disease arrives is approximated by f(t)=1
nika2105 [10]
1) To calculate maximum of f(t) function we first need to find derivative of it:
f(t)' = 10(e^(-t/8) + t*e^(-t/8)*(-1/8)) = 10(e^(-t/8) -t/8*e^(-t/8)) = 10e^(-t/8)(1-t/8)

the condition is:
f(t)' = 0 that means:
0 = 10e^(-t/8)(1-t/8) 
10t/8*e*(-t/8) = 10*e^(-t/8)
t/8 = 1
t = 8

The answer is 8 days.

2) that percent we will get simply by expressing t=8 in our equation.
f(8) = 10*8*e^(-1) = 80/e = 29.43%
4 0
4 years ago
Other questions:
  • -2x + 3y=-1 2x + 5y=25 elimination
    10·1 answer
  • Please help with this math
    9·1 answer
  • A scale on a hiking map shows that 1.51.51, point, 5 inches represents 444 miles. What number of actual miles are represented by
    9·1 answer
  • Identify the inequalities A, B, and C for which the given ordered pair is a solution: (0,0)<br>​
    7·1 answer
  • In 36 years, Ishaan will be 3 times as old as he is right now. How old is he right now?
    13·2 answers
  • Meredith has two different‐sized bags of trail mix. The larger bag contains 6.18 ounces of trail mix. The smaller bag contains 6
    11·1 answer
  • In 2 ½ hours, Joaquin can bake 4 dozen cookies. What is his unit rate in dozen cookies per hour?
    14·1 answer
  • HELP PLSSSSS Nowwwww.
    15·2 answers
  • Can someone solve 9 = x - 5 + 8 STEP BY STEP PLEASE?
    8·1 answer
  • Find the Area of the shape | help me this is due tomorrow!]
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!