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
lakkis [162]
3 years ago
5

What is the degree measure of an arc 4(pi) ft. long in a circle of radius 10 ft.?

Mathematics
2 answers:
olya-2409 [2.1K]3 years ago
3 0
Hey there!

20*pi/360=4*pi/x solve for x x=360*4*pi/(20*pi)=72 degrees

Your correct answer would be. . . 

\boxed{\boxed{72}}

Hope this helps.
~Jurgen
Aloiza [94]3 years ago
3 0

Answer:

Hey there!

20*pi/360=4*pi/x solve for x x=360*4*pi/(20*pi)=72 degrees

Your correct answer would be. . .  

72

Hope this helps.

Step-by-step explanation:

You might be interested in
What is the sum of the angle measures in a 26-gon?
nasty-shy [4]
The formula for finding the sum of the angle measure is...

(n-2) × 180<span>°
</span>
Since this has 26 sides....
 (26-2)x180

24x180
The sum of the angle measures is 4,320 degrees

Please give me brainliest, a 5-rate, and a thanks!!
5 0
3 years ago
How to work this problem
Mazyrski [523]
7x + 9y = - 27_________eq1
3x - y = 3__________eq2
Multiply eq 2 by 9 and then add the resulting eq with eq1.

eq2 x 9 gives us   27x - 9y = 27___________eq3
 
add eq3 with eq1 we get.
34x = 0.
where x=0/34
x=0.
substitute x into any of the above equations to get y.
substitute x into eq1. we get:
7(0) + 9y =-27
9y = -27
y= -27/9
y = -3.
3 0
3 years ago
Read 2 more answers
12 x 0 = 0 Distributive Property <br>Zero Property Inverse Property<br><br>​
Maurinko [17]

Answer:

Zero Property.

Step-by-step explanation:

The Zero property states that in an equation of:

ab = 0

Either a or b, or both, must be zero to obtain a result of 0.

~

3 0
3 years ago
Calculus hw, need help asap with steps.
nikdorinn [45]

Answers are in bold

S1 = 1

S2 = 0.5

S3 = 0.6667

S4 = 0.625

S5 = 0.6333

=========================================================

Explanation:

Let f(n) = \frac{(-1)^{n+1}}{n!}

The summation given to us represents the following

\displaystyle \sum_{n=1}^{\infty} \frac{(-1)^{n+1}}{n!}=\sum_{n=1}^{\infty} f(n)\\\\\\\displaystyle \sum_{n=1}^{\infty} \frac{(-1)^{n+1}}{n!}=f(1) + f(2)+f(3)+\ldots\\\\

There are infinitely many terms to be added.

-------------------

The partial sums only care about adding a finite amount of terms.

The partial sum S_1 is the sum of the first term and nothing else. Technically it's not really a sum because it doesn't have any other thing to add to. So we simply say S_1 = f(1) = 1

I'm skipping the steps to compute f(1) since you already have done so.

-------------------

The second partial sum is when things get a bit more interesting.

We add the first two terms.

S_2 = f(1)+f(2)\\\\S_2 = 1+(-\frac{1}{2})\\\\S_2 = \frac{1}{2}\\\\S_2 = 0.5\\\\\\

The scratch work for computing f(2) is shown in the diagram below.

-------------------

We do the same type of steps for the third partial sum.

S_3 = f(1)+f(2)+f(3)\\\\S_3 = 1+(-\frac{1}{2})+\frac{1}{6}\\\\S_3 = \frac{2}{3}\\\\S_3 \approx 0.6667\\\\\\

The scratch work for computing f(3) is shown in the diagram below.

-------------------

Now add the first four terms to get the fourth partial sum.

S_4 = f(1)+f(2)+f(3)+f(4)\\\\S_4 = 1+(-\frac{1}{2})+\frac{1}{6}-\frac{1}{24}\\\\S_4 = \frac{5}{8}\\\\S_4 \approx 0.625\\\\\\

As before, the scratch work for f(4) is shown below.

I'm sure you can notice by now, but the partial sums are recursive. Each new partial sum builds upon what is already added up so far.

This means something like S_3 = S_2 + f(3) and S_4 = S_3 + f(4)

In general, S_{n+1} = S_{n} + f(n+1) so you don't have to add up all the first n terms. Simply add the last term to the previous partial sum.

-------------------

Let's use that recursive trick to find S_5

S_5 = [f(1)+f(2)+f(3)+f(4)]+f(5)\\\\S_5 = S_4 + f(5)\\\\S_5 = \frac{5}{8} + \frac{1}{120}\\\\S_5 = \frac{19}{30}\\\\S_5 \approx 0.6333

The scratch work for f(5) is shown below.

7 0
2 years ago
A . expression A
yan [13]

Answer:

answer choice B.

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Other questions:
  • Carlos used the drawing below to help explain how he found the area of the right triangle. Which expression shows the correct pr
    10·1 answer
  • A line passes through the point (8,-5) and has a slope of -3/4.
    7·1 answer
  • Which undefined terms are needed to define parallel lines? A. Point, line B. Point, coplanar C. Line, plane D. Coplanar, line
    8·2 answers
  • Someone pls help I really don’t get it
    15·1 answer
  • Calculate each percent using your knowledge of benchmark percents
    8·1 answer
  • For the equation y = 2x2 − 5x + 18<br><br> Please answer asap. Will give Brainly
    7·1 answer
  • Apply the Pythagorean Theorem to find the distance between points A and C.
    8·1 answer
  • Suppose that a cylinder has a radius of r units, and that the height of the cylinder is also r units. The lateral area of the cy
    8·1 answer
  • Which choices are solutions to the following equation?
    8·1 answer
  • Write .0043 as a percentage
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!