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In-s [12.5K]
3 years ago
12

At Robin's Snow Cones, the shaved ice portion of the cone is shaped like a perfect sphere with a diameter of 8

Mathematics
1 answer:
Bumek [7]3 years ago
4 0

Answer:

134 cubic centimeters

Step-by-step explanation:

The extended part is basically the volume of HALF A SPHERE.

First, the volume of full sphere is:

V=\frac{4}{3}\pi r^3

Hence, the half sphere volume would be:

Half \ Sphere = \frac{\frac{4}{3}\pi r^3}{2}=\frac{2}{3}\pi r^3

We know the diameter is 8, radius is HALF OF THAT, so

Radius = 8/2 = 4

Substituting, we find (remembering to use 3.14 as pi):

\frac{2}{3}\pi r^3\\=\frac{2}{3}\pi (4)^3\\=\frac{2}{3}(3.14)(64)\\=133.97

To the nearest cubic centimeter, the answer is:

134 cubic centimeters

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If 50 grams of a radioactive substance decomposed to 42 grams in 2 years, then, to the nearest gram, the amount left after 5 yea
Inga [223]

Answer:

30 grams

Step-by-step explanation:

50-42=8

8÷2=4

4=1 year

5×4=20

50-20=30

Hope u can understant

3 0
3 years ago
Rikki decided to collect data to determine if a runner's time and speed are correlated. She determined the data to have a correl
balandron [24]

The value of r indicates the negative correlation.

<h2>Given </h2>

Rikki decided to collect data to determine if a runner's time and speed are correlated.

She determined the data to have a correlation coefficient of -0. 5.

<h3>What is the correlation coefficient?</h3>

The correlation coefficient is a statistical measure that calculates the strength of the relationship between the relative movements of the two variables.

She determined the data to have a correlation coefficient of -0. 5.

Here, the coefficient is negative which is -0.5.

This correlation coefficient indicates that there exists a weak negative correlation between the runner’s time and the speed.

This relation is negative because the correlation coefficient is negative.

Hence, The value of r indicates the negative correlation.

To know more about the Correlation coefficient click the link given below.

brainly.com/question/19043872

4 0
2 years ago
Kylie bought 10 chicken wings for $15. What was the cost of the wings in wings per dollar?
Reil [10]

Answer: $2.50

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
If g(x) =4x+2 and f(x) =3x-10 <br><br> find g(f(3))
Leya [2.2K]

Answer:

g(f(3))=-2

Step-by-step explanation:

So we have the two functions:

g(x)=4x+2\text{ and } f(x)=3x-10

And we want to find g(f(3)).

So, let's find f(3) first:

f(3)=3(3)-10

Multiply:

f(3)=9-10

Subtract:

f(3)=-1

Therefore, we can substitute -1 for f(3):

g(f(3))=g(-1)

Now, find g(-1):

g(-1)=4(-1)+2

Multiply:

g(-1)=-4+2

Add:

g(-1)=-2

And we're done!

So:

g(f(3))=-2

6 0
3 years ago
7.37×10 with an exponent of nine
Harman [31]

Answer:

We get 6 x10^7 with a 4dp of 9599

 9599

  /     \

29    331

Step-by-step explanation:

Rounded to 4dp

64151584.9599

6 0
3 years ago
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