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ioda
3 years ago
13

Diameter of a circle is 20m. Take π = ²²/₇ and find a) Radius b) Circumference c) Area of the circle.​

Mathematics
1 answer:
mart [117]3 years ago
5 0

Answer:

999

Step-by-step explanation:

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Sara works for 40 hours a week. She attends meetings for 0.28 of the time she is working. How much time does Sara spend at meeti
Roman55 [17]

Answer:

11.2 hours or 11 hours 12 minutes

Step-by-step explanation:

In this question, we are to calculate the amount of time spent by Sara in attending meetings weekly.

In the question, we are made to understand that she attends a meeting at a rate of 0.28 multiplied by the total amount of time she works.

To get the time she attends the meeting, we only need to multiply the decimal by the number of hours she works

Mathematically that would be 0.28 * 40 = 11.2 hours per week

We might take it further to get the time in the format of hours and minutes. That would be 0.2 * 60 yo convert the hours to minutes. This gives 12 minutes .

She attends meeting 11 hours 12 minutes per week

6 0
3 years ago
Which of the following exponential functions goes through the points (1, 20) and (2, 80)?
levacccp [35]
F(x) = 5(4)^x is the correct answer.
8 0
4 years ago
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Find the value of x in the isosceles triangle shown below.<br> 52<br> V52<br> 2
shtirl [24]
6 because I think so
5 0
3 years ago
Lines AB and CD are straight lines. Find x and y. Give reasons to justify your solutions.
Vera_Pavlovna [14]

9514 1404 393

Answer:

  x = 14°

  y = 5°

Step-by-step explanation:

Angle COL is complementary to both 25° (∠AOC) and 5y (∠LOM). Then it must be true that ...

  5y = 25°

  y = 5° . . . . . . divide by 5

__

Similarly, angle MOB is complementary to angle LOM, so ...

  90° -25° = 3x +23°

  42° = 3x . . . . . subtract 23° and simplify

  14° = x . . . . . .  divide by 3

The values of x and y are ...

  • x = 14°
  • y = 5°
5 0
3 years ago
A bowling alley and a skating rink both offer birthday party rentals. The bowling alley costs $5 per person plus a $15 room rent
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For example: if you chose to invite 10 people the skating rink would cost a total of $50 including the room fee

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8 0
3 years ago
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