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3 years ago

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:

Step-by-step explanation:

took the test

7 0

2 years ago

Read 2 more answers

What is the slope of this line? −3 4 −3/4 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