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
Elden [556K]
3 years ago
9

A circle has a radius of 6.87 ft. What is the circumference of this circle? Use 3.14 for pi. Round your final answer to the near

est tenth. Enter your answer as a decimal in the box. ft
Mathematics
2 answers:
Ratling [72]3 years ago
4 0

Answer: Circumference of circle is 43.1 ft.

Step-by-step explanation:

Since we have given that

Radius of a circle = 6.87 ft

We need to find the circumference of circle :

As we know the formula for "Circumference of circle ":

C=2\pi r\\\\C=2\times 3.14\times 6.87\\\\C=43.1436\ ft\\\\C=43.1\ ft.

Hence, circumference of circle is 43.1 ft.

borishaifa [10]3 years ago
3 0
C = 2pi r
C = 2 x 3.14 x <span>6.87
C = 43.1 ft

answer: 43.1 ft</span>
You might be interested in
What is the radius of a circle what circumference is 44cm
LuckyWell [14K]

Hello!!

Circumference of a circle = 2πr

and

Given, 2πr = 44cm

So,

πr = 44/2 = 22

r = 22 × 7/22

r = 7cm is the answer.

Stay safe and God bless!

- eli <3

8 0
3 years ago
Read 2 more answers
Which number is prime 15, 24, 41, 62
Juli2301 [7.4K]
Forty-one is a prime number because it can multiply itself by one.
7 0
3 years ago
A researcher collects data on the relationship between the amount of daily exercise an individual gets and the percent body fat
fredd [130]

Answer: approximately 24

Step-by-step explanation:

We need to plot a regression line.

So we fit a model using the regression of Y on X, that an equation that predict Y for a given X using:

(Y -mean(Y ))= a(X-meanX)...........1

Where the formular of a is given the attachment.

N= the of individuals = 5

Y = amount of fat

X = time of exercise

mean(X )= sum of all X /N

= 131/5 = 26.2

mean(Y) = sum of all Y/N

= 104/5 = 20.8

a = N(SXY) - (SX)(SY)/ NS(X²) -(SX)²......2

SXY = Sum of Product X and Y

SX= sum of all X

SY = Sum of all Y

S(X²)= sum of all X²

(SX) = square of sum of X

a = -0.478

Hence we substitute into 1

Y-20.8 = -0.478 (X-26.2)

Y -20.8 = -0.478X - 12.524

Y = -0.478X + 33.324 or

Y = 33.324 - 0.478X (model)

When X = 20

Y = 33.324 - 0.478 × 20

Y = 33.324 - 9.56

Y = 23. 764

Y =24(approximately)

Carefully meaning of formula used in attachment to the solution they are the same.

4 0
3 years ago
What is the measure of
sesenic [268]

Answer: C. 84

Step-by-step explanation:

In triangles ABD y BCD:

- AD=CD

- Angle BAD = angle BCD

- BD common side

THEN the triangles are equal because they have two sides and the angle opposite the longest side respectively equal.

CBD = ABD = 42 because the triangles ABD y BCD are equal

ABC = CBD+ABD = 42+42= 84

3 0
3 years ago
Read 2 more answers
A portable electronic typewriter cost £180 in 1988. Its price rose by 5% in 1989. What was the new price?
elena-s [515]

\bf \begin{array}{|c|ll} \cline{1-1} \textit{a\% of b}\\ \cline{1-1} \\ \left( \cfrac{a}{100} \right)\cdot b \\\\ \cline{1-1} \end{array}~\hspace{5em}\stackrel{\textit{5\% of 180}}{\left( \cfrac{5}{100} \right)180}\implies 9~\hfill \stackrel{\textit{new price}}{180+9\implies 189}

5 0
3 years ago
Other questions:
  • John di Silvestre obtained a loan to buy a cello for $8,400. He pays 12% exact interest on the loan for 146 days. What is the am
    14·1 answer
  • Write 12,430,000 in expanded form
    10·2 answers
  • Hi, I really need help with this ASAP!
    12·1 answer
  • Find the value of 5 exponent 2
    14·1 answer
  • You have $28, and you want to get half-dollar coins from the bank to give to children who come into your store. What is the most
    6·2 answers
  • Use the Binomial Theorem to expand (x - 4y)³.
    10·1 answer
  • Please answer!!! Will mark brainiest!!
    15·2 answers
  • FIRST PERSON TO ANSWER GET MARKED BRAINLY <br> Find the value.
    13·1 answer
  • What is the slope (m) of the line passing through (-6,-1) and PARALLEL to 2x + 3y = 3?
    15·1 answer
  • Find the perimeter and area of the figure shown in the picture. ​
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!