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AleksAgata [21]
3 years ago
6

One circle has a circumference of 12 pie cm. Another circle has a circumference of 32pie cm. What is the ratio of the radius of

the smaller circle to the radius of the larger circle?
Mathematics
2 answers:
Jet001 [13]3 years ago
7 0
Circumference of a circle = pi * diameter, or 2(pi) * radius.
The first circle with circumference of 12pi means that the diameter is equal to 12. Since radius is just half of diameter 12/2=6. Same goes for the second circle. Half of 32 is 16. The ratio is then equal to 6:16 or 3:8
kirill [66]3 years ago
3 0
The ratio is 8:3
Ur Welcome!

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Answer with Step-by-step explanation:

Since we have given that

a + b = c

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We need to prove that a|b.

⇒ a = mb for some integer m

Since a|c,

So, mathematically, it is expressed as

c= ka

Now, we put the above value in a + b = c.

So, it becomes,

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marusya05 [52]

Answer:

Yes there is sufficient evidence.

Null hypothesis; H_o ; μ = 445

Alternative hypothesis; H_o ; μ ≠ 445

Step-by-step explanation:

The null hypothesis states that there is no difference in the test which is denoted by H_o. However, the sign of null hypothesis is denoted by the signs of = or ≥ or ≤.

Meanwhile, the alternative hypothesis is one that defers from the null hypothesis. This therefore implies a significant difference in the test. Thus, the signs of alternative hypothesis is denoted by; < or > or ≠.

Now, the question we have is a two tailed test. Thus;

The null hypothesis is;

bag filling machine works correctly at the 445 gram setting which is;

H_o ; μ = 445

The alternative hypothesis is;

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8 0
3 years ago
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taurus [48]
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7 0
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frosja888 [35]

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6 0
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