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
marshall27 [118]
3 years ago
11

The formula for the circumference of a circle is C = 2pi . Determine the circumference when the radius r is 10 cm. A. 100 approx

cm C. 20 cm b. 20 pi cm d. 100 cm
Mathematics
1 answer:
Archy [21]3 years ago
8 0

Answer:b

Step-by-step explanation:

Circumference, C = 2pi×r

=2×pi×10

= 20pi cm

You might be interested in
Which function is the inverse of f(x) = 2x + 3 ?
siniylev [52]
I think it might be f^-1 (x) = x/2 - 3/2
I hope this helps!
6 0
3 years ago
Carey is trying to decide between two guitars. The first had an original price of $160, but is on sale for $100. The second had
Zolol [24]

Subtract the sale price from the original price then divide the difference by the original price.

Guitar 1: 160 -100 = 60

60/160 = 0.375 x 100 = 37.5%

Guitar 2: 250 - 150 = 100

100/250 = 0.4 x 100 = 40%

The answer is the second guitar has a greater percent change of approximately 40%

3 0
3 years ago
Read 2 more answers
6th grade math help me pleaseeee
Mrac [35]
Again lol. and they were the same age at 3 weeks.
3 0
3 years ago
Read 2 more answers
Line L is perpendicular to a line with slope -5 and passes through (2, -2). Find an equation of line L and write the answer in t
irina [24]

Answer:

y=1x +8

5

Step-by-step explanation:

y-y1 = m(x-x1)

y+2 = -5(x-2)

y+2 = -5x + 10

y = -5x +8

Now to find line L we have to change the slope because it is perpendicular

y= 1x +8 (The slope is one fifth, but idk

5. to put it, I'm sorry)

4 0
3 years ago
Help anyone please i need it
zheka24 [161]

Answer:

The sum is equal to -905,200

Step-by-step explanation:

we know that

The formula to calculate the sum is equal to

Sn=n\frac{(a1+an)}{2}

In this problem

n=775 -----> number of terms

a1 is the first term

a1=(-3(1)-4)=-7

an is the last term

an=(-3(775)-4)=-2,329

substitute

Sn=775\frac{(-7-2,329)}{2}=-905,200

4 0
3 years ago
Other questions:
  • What is the pitch of the roof of a
    9·1 answer
  • there are 5 walnut trees currently in the park park workers will plant 8 more walnut trees today how many walnut trees will the
    6·1 answer
  • Chang gets paid a $50 bonus for every 100 pairs of shoes that he sells. Chang is being reinforced on a ________ schedule of rein
    11·2 answers
  • Add. Be sure to simplify and have your answer in CORRECT scientific notation. (1.63 x 107) + (2.4 x 107) Question 1 options: 1.8
    15·1 answer
  • Which ordered pair is a solution of the equation y=7x-3
    15·1 answer
  • Six students are working to simplify the expression shown.
    15·1 answer
  • I need help with this please mathematics
    13·1 answer
  • Someone help :) please
    5·1 answer
  • Question on image. <br><br> will report answers out of question. Thank you
    9·1 answer
  • Select the correct answer.<br> What is 22% of 50?<br> Α.44<br> B.28<br> C.22<br> D. 11
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!