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
sertanlavr [38]
3 years ago
13

A running track in the shape of an oval is shown. The ends of the track form semicircles. A running track is shown. The left and

right edges of the track are identical curves. The top and bottom edges of the track are straight lines. The track has width 68 m and length of one straight edge 140 m. What is the perimeter of the inside of the track?
Mathematics
2 answers:
Minchanka [31]3 years ago
5 0
Two shapes.. a circle and a rectangle. The width of the rectangle serves as the diameter of the circle.

Length = 140 m ; Width = 68 m

Circumference of a circle = 2 π r
circumference of a cirlce =  2 * 3.14 * (68m/2) = 2 * 3.14 * 34 m = 213.52

length = 2 * 140 m = 280 m

perimeter of the oval = 213.52 m + 280 m = 493.52 m
ad-work [718]3 years ago
3 0

Answer:

493.52

Step-by-step explanation:

You might be interested in
On Monday John had $500 . Over the weekend he went out to eat for $ 112and used his debit card for movie tickets that cost $28 .
Zepler [3.9K]
This question is a little ambiguously worded, however I assume the answer would simply be:
$500 - $112 - $28 = the amount he has left.
Hope this helped :))
8 0
3 years ago
Question 1(Multiple Choice Worth 2 points) Find the derivative of f(x) = 7 divided by x at x = 1.
nydimaria [60]

Answer:

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
20% of what number is 12
yawa3891 [41]

Answer:

The number is 60

Step-by-step explanation:

Of is multiply and is means equals

20% * N = 12

Changing to decimal form

.20 N = 12

Divide  by .20

.20N/.20 = 12/.20

N = 60

The number is 60

3 0
3 years ago
Read 2 more answers
I need help solving problem 11.
Lunna [17]
Since triangle ABC is isosceles, then angles 1 and 9 are congruent.

4x + 3 = 9x - 47

-5x = -50

x = 10

m<1 = 4x + 3 = 40 + 3 = 43

m<1 = m<9 = 43

Triangle DBE is equilateral, so it is also equiangular.

m< 4 = m<5 = m<6 =60

Angles 3 and 8 are supplementary to congruent angles that measure 60 deg, so 180 - 60 = 120, so

m<3 = m<8 = 120

For angles 2 and 7, use the sum of the measures of the angles of a triangle is 180 deg.

m<1 + m<2 + m<3 = 180

43 + m<2 + 120 = 180

m<2 + 163 = 180

m<2 = 17

m<2 = m<7 = 17
4 0
3 years ago
A fair dice is rolled 3 times in a row. The outcomes are shown below. Calculate the probability of all three events occurring. R
velikii [3]

Answer:

5/54

Step-by-step explanation:

probability of the dice being 5 = 1/6

probability of the dice being a factor of 6 = 4/6

probability of the dice being more than 1 = 5/6

1/6 * 4/6 = 4/36

4/36 * 5/6 = 20/216

20/216 simplified to lowest is equal to 5/54

5 0
3 years ago
Other questions:
  • Yesterday, Chau had m baseball cards. Today, he gave 5 away. Using m , write an expression for the number of cards Chau has left
    7·1 answer
  • These are the first sentences in the short story, "The Gift of the Magi," by O. Henry: "One dollar and eighty-seven cents. That
    10·1 answer
  • What is the relationship between a triangle and a square?<br> Not numbers OK!!!!!!! Please help me
    10·1 answer
  • Find a vector equation and parametric equations for the line. (Use the parameter t.) The line through the point (0, 11, −8) and
    10·1 answer
  • 27.9 is what percent of 62
    9·2 answers
  • There are 8 fluid ounces in one cup.
    13·1 answer
  • ASAP! Giving brainliest for CORRECT awnser.
    11·1 answer
  • The number of tourists visiting a city doubles every month during the two-month period beginning in Jan. 1st and ending in Feb.
    9·1 answer
  • L
    15·2 answers
  • Ola wishes to make a deposit. she has these bills: 9 ones, 3 fives, 2 tens, and 4 twenties. she has 32 nickels, 4 dimes, and 10
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!