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Mandarinka [93]
3 years ago
8

What is the circumference of a circle if the radius is 3 units

Mathematics
2 answers:
maks197457 [2]3 years ago
4 0
The circumference would be 18.85
larisa [96]3 years ago
3 0

Answer:

<em><u>C = 18.86 units</u></em>

Step-by-step explanation:

Circumference = πd. d is diameter = 2r

= π ( 2r ). r is radius

C = 2πr

C = 2π × 3

C = 2 × 22/7 × 3

C = 18.86 units

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Which counter example shows that the following is false? Every perfect square has exactly three factors
pshichka [43]
36 is a perfect square, but its factors include 1 and 36, 6 and 6, 4 and 9, 3 and 12, and 2 and 18. that's 9 factors, not 3.
4 0
2 years ago
Ben drove 230 kilometers in 3 hours, and Pia drove 250
Drupady [299]

9514 1404 393

Answer:

  Pia drove faster

Step-by-step explanation:

Speed is the ratio of distance to time. If the time is the same, the greater distance is associated with the greater speed.

Pia drove farther in 3 hours, so drove faster.

3 0
2 years ago
Sindi borrowed an amount of money from his
PolarNik [594]

The present value of the loan is R576923.

<h3>What is compound interest ?</h3>

Compound interest is giving the current instalment in terms of the total previous amount.

The formula is given by

A = P(1 + r/100)ⁿ.

Where,

A = Amount, P = Principle, r = rate of interest, n = Time in years.

In case the compound if interest is given every two months that is 6 instalments each year the above given formula will be

A = P{ 1 + (r/6)/100 }⁶ⁿ.

According to the given question

Rate(r) = 7.5%

Time(n) = 6 years

The loan will be paid back in 6 years every second month and it is compounded.

∴ No. of instalments = (12 × 6)/2

= 36.

Now each instalments is of R25000

So, The total amount she has to pay back to his father is

= (25000 × 36)

= R900000.

We know compounding every two months is

A = P(1 + r/100)ⁿ

900000 = P{ 1 + (7.6/6)/100 }³⁶

900000 = P{ 1 + 1.25/100 } ³⁶

900000 = P(1.0125)³⁶

900000 = 1.56P

∴ P = 576923.

Learn more about compound interest here :

brainly.com/question/13155407

#SPJ1

3 0
1 year ago
Identify the property shown .<br><br> 50+0=50
qwelly [4]
The identity property is shown
7 0
3 years ago
Is 0.1212212221222 a rational or irrational number?
solmaris [256]

Answer:

it is a irrational number

5 0
3 years ago
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