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eimsori [14]
3 years ago
9

Roughly estimate the volume of a tennis ball in cubic centimeters by using 6 for the diameter and 3 for pi. Round the answer to

the nearest ten cubic centimeters.
Mathematics
1 answer:
Verdich [7]3 years ago
4 0
Formula of v. of sphere = (<span><span>4</span>π</span>rx^{3})/3<span>
r = 3
pi = 3
(4 x 3 x </span>3^{3})/3 = 113.1

Answer = 110cm{3}
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1) The graph shows y as a function of x Suppose a point is added to this graph. Which choice gives a point that preserves the fu
barxatty [35]
<h3>Answer:  B)  (0,9)</h3>

==========================================================

Explanation:

The points on the given graph are:

  • (-7,4)
  • (-3,-3)
  • (2,9)
  • (3,-8)
  • (5,7)
  • (9,3)

Notice that the <em>slightly</em> darker grid lines indicate 5 on either x or y axis. This helps visually spot where the points are fairly quickly. Though admittedly, it would be better if your teacher provided numbers on the x and y scales.

Now if we were to add something like point A(5,5) to the graph, then this function would cease to be a function. This is because the points (5,7) and (5,5) fail the vertical line test. The input x = 5 leads to the outputs y = 5 and y = 7 at the same time. A function is only possible if any x input leads to exactly one y output only.

So this is why we eliminate choice A from the possible answer pool.

Choice C is a similar story. The two points (9,3) and (9,-1) fail the vertical line test this time, i.e. the input x = 9 has multiple outputs y = 3 and y = -1 simultaneously. We rule out choice C.

Choice D is also ruled out because of (2,-4) and (2,9) failing the vertical line test.

We're left with choice B. Luckily, adding the point (0,9) to the mix does not break the function. The input x = 0 wasn't part of the original function.

-------------------

In short, we eliminate choices A,C and D because they fail the vertical line test. Choice B does not fail the vertical line test so it's the final answer.

5 0
2 years ago
Is borrowing money a <br><br> Delegated power <br> Reserved power <br> Concurrent power
grin007 [14]
I believe that it is a concurrent power
8 0
3 years ago
What is the area of the triangle shown below?<br> 14
Sveta_85 [38]

Answer:

Excuse me but they is nothing shown below!

Step-by-step explanation: Again not trying to be rude but there is nothing shown below! thank you for your time! <3

5 0
3 years ago
Factor 1/2 out of 1/2x + 3/2
EastWind [94]

<span><span>The answer to the question is:</span></span>

<span><span /></span><span><span>−<span>12</span><span>(x−12)</span></span> </span>



7 0
3 years ago
An investment of $250 pays 11% annual interest, compounded quarterly. What is the interest earned in 10 years?
lions [1.4K]
<span>The interest earned in 10 years is B. $739.97.</span>
4 0
3 years ago
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