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salantis [7]
2 years ago
10

Question 9 What is the circumference of a circle whose diameter is ? 2

Mathematics
2 answers:
WITCHER [35]2 years ago
7 0

Answer:

the circumference of the circle = 2π = 6.28

Step-by-step explanation:

circle circumference formula is

C = 2πr = 2π(1)

r = diameter ÷ 2 = 2 ÷ 2 = 1

ZanzabumX [31]2 years ago
6 0

6.28 because pi x diameter = circumference.

( diameter = half of a circle)

Step-by-step explanation:

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A company plans to ship 2,000 packages of chocolate. The company randomly selecta
a_sh-v [17]

Answer:

100 packages

Step-by-step explanation:

If 5 packages out of 100 are incorrect , then there's a 1/20 chance that a package has an incorrect weight

Therefore out of 2000

it's

\frac{1}{20}  \times 2000 = 100

Hope it helps

Sorry I'm not really good at explaining

7 0
2 years ago
Ciaran scores 76% work out 76% of 75 marks <br><br> Help pls
dlinn [17]

To get 76% of 75 you turn the fraction to a decimal, then multiply it to the number. 76% as a decimal us 0.76 and 0.76 * 75 = 57

So, Ciaran got 57 out of 75 questions right.

3 0
3 years ago
Given the recursive definition: LaTeX: a_{n+1}=3\cdot a_n-1a n + 1 = 3 ⋅ a n − 1, and that LaTeX: a_1=1a 1 = 1, which term of th
Mandarinka [93]

Answer:

The 7th Term

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
What is 2/5 divided by 5/7 in fraction form, not decimal
PIT_PIT [208]
Ok. In order to do this set up 2/5 divided by 5/7. The way you divide with fractions is by multiplying them but flipping the second fraction into 7/5 <---this is known as the reciprocal. In other words do:

2/5 x 7/5 =
14/25
There you go.
6 0
3 years ago
How much bigger is the Sum of first 50 even numbers than the sum of first 50 odd numbers?
Lunna [17]

Answer:

50

Step-by-step explanation:

Sum Even numbers

n = 50

d = 2

a1 = 2

The last number is

an = a1 + (n-1)d

an = 2 + (50 - 1)*2

an = 2 + 49 * 2

an = 2 + 98

an = 100

Sum of the even numbers

Sum = (a1 + a50)*n/ 2

Sum = (2 + 100)*50/2

sum = 102 * 25

sum = 2550

Sum of the first 50 odd numbers

a1 = 1

n = 50

d = 2

l = ?

Find l

l = a1 + (n - 1)*2

l = 1 + 49*2

l = 99

Sum

Sum = (1 + 99)*50/2

Sum = 2500

The difference and answer is 2550 - 2500  = 50

7 0
3 years ago
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