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3 years ago

A flying disc in the shape of a circle has a circumference of 8 inches. What is the radius of the flying disc.

Mathematics

1 answer:

mafiozo [28]3 years ago

7 0

Answer:

Step-by-step explanation:

The formula for circumference is:

$C=2\pi r$

We know that the circumference is 8π inches. So, substitute 8π for C:

$8\pi =2\pi r$

Solve for r. Divide both sides by 2π. So:

$r=\frac{8\pi}{2\pi}=4$

Therefore, the radius is 4 inches.

Hence, our answer is A.

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Is this correct not sure

elena-s [515]

Yes it is correct because it says Kimberly

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3 years ago

Associative Property of Addition to enter an equivalent expression. 5 + (a + b)

Lynna [10]

Step-by-step explanation:

=a+b+5 this is the answer

7 0

3 years ago

In a recent Super Bowl, a TV network predicted that 25 % of the audience would express an interest in seeing one of its forthcom

AleksAgata [21]

Answer:

The right solution is "-8.25".

Step-by-step explanation:

The given values are:

Sampled people,

n = 150

Null and alternative hypotheses will be:

$H_0:p=0.53$

$Ha:p\neq 0.53$

The z-statistics will be:

⇒ $z=\frac{\bar{p}-p_0}{\sqrt{\frac{p_0(1-p_0)}{n} } }$

On substituting the values, we get

⇒ $=\frac{0.2-0.53}{\sqrt{\frac{0.53(1-0.53)}{150} } }$

⇒ $=\frac{-0.33}{\sqrt{\frac{0.24}{150}} }$

⇒ $=\frac{-0.33}{0.04}$

⇒ $=-8.25$

7 0

3 years ago

The set of points (1, 3), (3, 5), (4, 7) is collinear. ture or false

Mekhanik [1.2K]

(1,3)(3,5)
slope = (5-3) / (3-1) = 2/2 = 1

(3,5)(4,7)
slope = (7-5) / (4-3) = 2/1 = 2

False....they are not collinear because they have different slopes and do not lie on the same line

3 0

3 years ago

What is the answer too 2y-3=-5

bogdanovich [222]

2 − 3 = −5

First we need to Add 3 to both sides of the equation:

2 − 3 + 3 = −5 + 3

Then we simplify:

2 = −5 + 3

2 = −2

Now we divide both sides of the equation by the same term:

2 / 2 = −2 / 2

Final answer: = −1

I hope this helps!

8 0

3 years ago

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