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Paha777 [63]
3 years ago
6

What are the variables in each graph? Describe how the variables are related at various

Mathematics
1 answer:
Vikentia [17]3 years ago
6 0

9514 1404 393

Answer:

  • variables: time, volume
  • points show volume at a given time

Step-by-step explanation:

The axes labels give you a clue as to the variables: time, volume.

__

The graph is a plot of volume versus time. That is, each point is the volume at a particular time.

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What is the midpoint of AB?
Citrus2011 [14]

Answer:

(-4, -\frac{1}{2})

Step-by-step explanation:

Hi there!

We are given the line segment, with the end points AB

The coordinates of A are (-5, -4), and the coordinates of B are (-3, 3).

We want to find the midpoint of the line segment AB

The midpoint formula is given as (\frac{x_1+ x_2}{2}, \frac{y_1 + y_2}{2}), where (x_1, y_1) and (x_2, y_2) are coordinates

We have two coordinates, which is what we need, but let's label their values to avoid any confusion:

x_1=-5\\y_1=-4\\x_2=-3\\y_2=3

Now substitute those values into the formula:

(\frac{x_1+ x_2}{2}, \frac{y_1 + y_2}{2})

(\frac{-5+ -3}{2}, \frac{-4+ 3}{2})

Now simplify the numerator and denominator

(\frac{-8}{2}, \frac{-1}{2})

Simplify again:

The midpoint is (-4, -\frac{1}{2})

Hope this helps!

7 0
3 years ago
The frequency of vibration of a piano string varies directly as the square root of the tension on the string and inversely as th
artcher [175]

Answer:

  about 409.946 Hz

Step-by-step explanation:

The multiplier of frequency is (√(tension multiplier))/(length multiplier), so is ...

  (√1.25)/1.2 = (5/12)√5 ≈ 0.931695

So, the longer, tighter string will have the lower frequency of about ...

  0.931695×440 Hz ≈ 409.946 Hz

8 0
3 years ago
Describe how to simplify the expression StartFraction 3 Superscript negative 6 Baseline Over 3 Superscript negative 4 Baseline E
olchik [2.2K]

Answer:

D,

Step-by-step explanation:

took the test

7 0
2 years ago
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What is the slope of this line?<br><br> −3<br> 4<br> −3/4<br> 3/4
FinnZ [79.3K]
As you can see, this is a negative slope. It goes down three and over four, as seen on the x and y intercepts. The answer kind of pops out at you.
7 0
3 years ago
Read 2 more answers
Anybody willing to help me?
Temka [501]

Answer:

  • The answer is a.
  • \frac{ \sqrt{w} }{ \sqrt[3]{w} }
5 0
3 years ago
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