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3 years ago

Jacob made a circle-shaped poster for his geometry class.

1 answer:

5 0

First, the circumference of a circle is 2pi(r). If you plug in the values given, you get C = 2*3.14*11 = 69.08 which approximates to 69 inches.

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Instance variables are often called ____ to help distinguish them from other variables you might use. (3 pts.)

zzz [600]

Instance variables are often called "fields" to help distinguish them from other variables you might use.

<h3>What are Instance variables?</h3>

Instance variables are defined within a class but outside of any method, constructor, or block.

Some key points related to Instance variables are-

When heap space is allocated to an object, a slot is created for every instance variable value.
Whenever an object is created with keyword 'new,' instance variables are created, and they are destroyed whenever the object is destroyed.
Instance variables store values that need to be referenced by multiple methods, constructors, or blocks, as well as vital components of an entity's state which must be available throughout the class.
Before or after use, instance variables could be declared just at class level.
Variables, for example, can be given access modifiers.
Only those methods, constructors, and blocks in the class have access to the instance variables.

To know more about the Instance variables, here

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7 0

2 years ago

In triangle ABC, the side lengths are AB = 13, AC = 21, and BC = x. Write a compound inequality that represents the range of pos

N76 [4]

There is only 1 solution for the length of BC.

We can calculate it using Pythagorean theorem.

We can conclude that triangle's hypotenuse is AC.

$AC^2=AB^2+BC^2$

If that is the case we are looking for a side BC.

$BC=\sqrt{AC^2-AB^2}$

Now put in the data.

$BC=\sqrt{21^2-13^2}=\sqrt{272}=\sqrt{272}\approx\boxed{16.49}$

Hope this helps.

r3t40

7 0

3 years ago

For which polygon is the sum of the interior angles equal to 720?

Free_Kalibri [48]

Answer: Hexagon

Explanation: Just trust me ;)

8 0

3 years ago

Read 2 more answers

Half of j minus 5 is the sum of k and 13

barxatty [35]

.5j - 5 = k + 13. Is that what you want?

4 0

3 years ago

Question #1<br> Correct answer is E, <br> show steps

lozanna [386]

Unfortunately, doing this kind of problem by hand would take a very long time. So I recommend using a graphing calculator. Specifically, one that can handle numeric integration. You'll need to find the area under the curve from t = 0 to t = 3. This will tell you the change in velocity during the time period from t = 0 to t = 3 seconds. You should find that

$\displaystyle \int_{0}^{3}\frac{t+3}{\sqrt{t^3+1}}dt \approx 6.71005$

If you want to do this by hand, you can use Riemann rectangles to break up the area and find the area of each rectangle. Though use of a calculator is recommended here as well.

This result will add onto the initial velocity of 5 to get a final approximate result of 5+6.71005 = 11.71005 which rounds to 11.710

7 0

3 years ago