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
OLEGan [10]
2 years ago
7

What is the length of the arc that subtends a central angle of 139°, for a circle with a radius of 7.5 centimeters? Use 3.14 for

π when necessary
Mathematics
2 answers:
eduard2 years ago
7 0
18.19 139/360=x/diameter 
ANTONII [103]2 years ago
7 0

Answer:

18.18583 cm

Step-by-step explanation:

As per circle arc theorem we have

arc length s = Central angle* perimeter of the circle / 360

Here given that radius = 7.5 cm

Hence circumference = 2 (3.14)(7.5) = 47.1 cm

Central angle / 360 = 139/360 = 0.3861111

Hence arc length = 0.3861111*47.1 = 18.18583 cm

You might be interested in
A box contains 5 red balls, 6 white balls and 9 black balls. Two balls are drawn at
valina [46]

Answer:

P(Same)=\frac{61}{190}

Step-by-step explanation:

Given

Red = 5

White = 6

Black = 9

Required

The probability of selecting 2 same colors when the first is not replaced

The total number of ball is:

Total = 5 + 6 + 9

Total = 20

This is calculated as:

P(Same)=P(Red\ and\ Red) + P(White\ and\ White) + P(Black\ and\ Black)

So, we have:

P(Same)=\frac{n(Red)}{Total} * \frac{n(Red) - 1}{Total - 1} + \frac{n(White)}{Total} * \frac{n(White) - 1}{Total - 1}  + \frac{n(Black)}{Total} * \frac{n(Black) - 1}{Total - 1}

<em>Note that: 1 is subtracted because it is a probability without replacement</em>

P(Same)=\frac{5}{20} * \frac{5 - 1}{20- 1} + \frac{6}{20} * \frac{6 - 1}{20- 1}  + \frac{9}{20} * \frac{9- 1}{20- 1}

P(Same)=\frac{5}{20} * \frac{4}{19} + \frac{6}{20} * \frac{5}{19}  + \frac{9}{20} * \frac{8}{19}

P(Same)=\frac{20}{380} + \frac{30}{380}  + \frac{72}{380}

P(Same)=\frac{20+30+72}{380}

P(Same)=\frac{122}{380}

P(Same)=\frac{61}{190}

4 0
2 years ago
Jax and Sofia collect baseball cards. Jax has 56 cards and Sofia has 68. They each joined different baseball-collecting clubs. E
masya89 [10]
Jax gets 4 packs per month...each pack contains 4 cards...so he gets 16 cards per month.
Sofia gets 3 packs per month..each pack contains 4 cards...so she gets 12 cards per month..

56 + 16m = 68 + 12m
16m - 12m = 68 - 56
4m = 12
m = 12/4
m = 3.....they will have the same number of cards in 3 months

Jax : 56 + 16(3) = 104 cards
Sofia : 68 + 12(3) = 104 cards

and they will both have 104 cards

7 0
2 years ago
Can someone please help me im being timed ‼️
Ad libitum [116K]
125 because it’s symmetrical between both
3 0
2 years ago
Read 2 more answers
can sumone just do number 17 for me thats it, ill give brainlist if correct and plz dont spam me or perposly answer knowing you
rusak2 [61]

Answer: For 17 is x=24

Step-by-step explanation:

5 0
2 years ago
Solve 2(1 – x) &gt; 2x<br> this is my question for algebra
Rudik [331]

To solve this, you need to isolate/get the variable "x" by itself in the inequality:

2(1 - x) > 2x     Divide 2 on both sides

\frac{2(1-x)}{2} >\frac{2x}{2}

1 - x > x     Add x on both sides to get "x" on one side of the inequality

1 - x + x > x + x

1 > 2x        Divide 2 on both sides to get "x" by itself

\frac{1}{2} >x  or  x     (x is any number less than 1/2)

[Another way you could've solved it]

2(1 - x) > 2x     Distribute 2 into (1 - x)

(2)1 + (2)(-x) > 2x

2 - 2x > 2x      Add 2x on both sides

2 - 2x + 2x > 2x + 2x

2 > 4x    Divide 4 on both sides to get "x" by itself

\frac{2}{4} >\frac{4x}{4}

\frac{1}{2} >x

6 0
2 years ago
Other questions:
  • What is the value of the sum? Drag and drop the answer into the box to match the sum with its value. 5/6 + (-1/2) A -1/3 b-1/3 1
    12·1 answer
  • J is 25 more than 3 what is the anwer
    9·1 answer
  • susan operates a taco stand.on friday she uses 1.6 bags of tortilla.on saturday she used 2.4 times as many as on friday.how many
    15·1 answer
  • Your coffee bar has two kinds of drink One cup of the first one costs 9 grams of juice , 4 grams of coffee and 3 grams of sugar
    7·1 answer
  • 2. Brandon and his friends want to be at the amusement park by 1:30 pm. The bus
    14·1 answer
  • Joanie watched 1 3 of a movie in the morning, and she watched some more at night. By the end of the day, she still had 2 5 of th
    13·1 answer
  • There are 3 blue marbles, 6 red marbles, 2 green marbles and 1 black marble in a bag. You choose a marble, REPLACE it, and choos
    13·2 answers
  • Kareem cannot decide which of two washing machines to buy. The selling price of each is 660​$. The first is marked down by 40​%.
    5·1 answer
  • Mathhhhhhhhhhh'[;[;[
    5·2 answers
  • 7.2 is 250% of what number
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!