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mamaluj [8]
2 years ago
13

Circumference if a circle with a diameter of seven

Mathematics
2 answers:
lara [203]2 years ago
8 0

Answer:

21.99

Step-by-step explanation:

2 times pi times radius

Dmitry_Shevchenko [17]2 years ago
5 0

Answer:

Circumference = 2 x pi x r

Radius, r = 7/2

Circumference = 2 x 22/7 x 7/2

                         = 22 cm

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What is the difference between law and scientific law.
igomit [66]

Answer:

A hypothesis is a limited explanation of a phenomenon; a scientific theory is an in-depth explanation of the observed phenomenon. A law is a statement about an observed phenomenon or a unifying concept, according to Kennesaw State University. ... However, Newton's law doesn't explain what gravity is, or how it works.

Step-by-step explanation:

8 0
3 years ago
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If the sum of a number and four is tripled the result is eight less than twice the number
Drupady [299]

Answer:

The number is -20.

Step-by-step explanation:

If x is the number, then 3(x+4)=2x-8.

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3 years ago
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Triangle JKL is dilated from the origin at a scale factor of 10 to create triangle J′K′L′.Select the option that completes the s
Aneli [31]

Given: Triangle JKL is dilated from the origin at a scale factor of 10 to create triangle J′K′L′.

Required: Correct option that complete the statement.

Explanation:

Now, triangle is dilated from the origin at a scale factor of 10.

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So, The triangles are similar because their corresponding sides are proptional and their corresponding angles are congurent.

Final Answer: Second group is correct answer.

5 0
1 year ago
CDs costs $4 each and DVD cost $8 each.
Licemer1 [7]

Answer:

0 and 4

1 and 3

2 and 2

3 and 1

4 and 0

Step-by-step explanation:

If you need 4 gifts and you want to spend less than $40, then you could buy

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2 cds + 2 dvds for $24

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Any of these solutions will work

8 0
3 years ago
60 is 30% of what number?
Phantasy [73]
Percent means parts out of 100
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'of' means multiply

60 is 30% of what translates to
60=3/10 times what
multiply both sides by 10/3
600/3=what
200=what
the number is 200
7 0
3 years ago
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