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vekshin1
3 years ago
11

How to find the arc length of a circle

Mathematics
1 answer:
DochEvi [55]3 years ago
7 0
I hope this helps you



arc length = 2pi.r.angle /360
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Paul has 12 coins in his pocket, consisting entirely of dimes and quarters. If he has a total of 195 cents in coins, how many co
anyanavicka [17]

Let x be the number of dimes

and y be the number of quarters

Total number of coins = 12

So number of dimes + number of quarters = total number of coins

x + y = 12 ---------> equation 1

We know, 1 Quarter = 25 cents, 1 Dime = 10 cents, total cents = 196

y quarters = 25y cents , x dimes = 10x cents

x dimes + y quarters = 195 cents

10x + 25y = 195 -----------> equation 2

Now solve both equations

x + y =12, we solve for y by subtracting x on both sides

y = 12-x

Now substitute y in second equation

10x + 25(12-x) = 195

10x + 300 -25x = 195 (combine like terms)

-15x + 300 = 195 (subtract 300 on both sides)

-15x = -105 ( divide by -15)

x=7

y= 12-x

y=12-7 = 5

The number of dimes = 7

Number of quarters = 5






8 0
2 years ago
A gardener works 14 hours a week and charges 168. how much does the gardener charge for each hour
Kitty [74]
Divide the total amount charged by the number of hours worked, and you have $/hour
$168÷14 hours = $12/hour
5 0
3 years ago
If is a number written in scientific notation, which statements are true? Select all that apply.
ololo11 [35]
It is a whole number, and is positive
7 0
3 years ago
Please choose two answer whoever responds first i will mark brainliest
Reika [66]

Answer:

Green and Orange

Step-by-step explanation:

Green has 6 marbles in the bag and has the most marbles pulled (30), so that is one of the answers. Red and orange are tied with 5 marbles in the bag, but red only got pulled 19 times and orange got pulled 25 times. Therefore, your answers are green and orange.

6 0
3 years ago
Read 2 more answers
Can someone please help me
Ymorist [56]

Answer:

The mode is 31

good luck naka

7 0
2 years ago
Read 2 more answers
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