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mr Goodwill [35]
3 years ago
15

Which model does the graph represent?

Mathematics
2 answers:
larisa86 [58]3 years ago
4 0

Answer:

  C

Step-by-step explanation:

A models an exponentially increasing function.

B models an exponentially decreasing function.

C models a "bell" curve, similar to the one shown.

D models a "logistic" function, an s-shaped curve that smoothly transitions between two horizontal asymptotes.

OLga [1]3 years ago
3 0

Answer: The correct one is C

Step-by-step explanation:

The gaussian curve ( the one you can see in the graph) is described by C.

You can see that A is an exponential function that only will grow as t grows.

B will decrease asymptotically to zero as t grows, the same with D, as t grows, D only can decrease.

but for C you will have the maximum when x = b, and a exponential decrease when x decrease or when x increase which forms the bell that you see in the graph.

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The product of 5 and a number is -80. find the number
klemol [59]

Answer:

x = -16

5x = -80

1. divide 5 on both sides.

2. x = -16

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3 years ago
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Which step should be completed first in the following problem 10 (8x 15 - 7 - 4 x3)?
stich3 [128]
Do not bring the 10 in first. 8x15 and 4x3.
6 0
3 years ago
BRAINLIEST <br> Solve for X. Round to the nearest tenth.
Schach [20]

Answer:

a=180-(45+37)

b=180-(9+24)

c=180-(42+64)

d=180-(70+13)

7 0
3 years ago
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Line segment YV of rectangle YVWX measures 24 units.
oksian1 [2.3K]

Answer: YX=13.85\ units

Step-by-step explanation:

<h3> The complete exercise is: "Line segment YV of rectangle YVWX measures 24 units. What is the length of line segment YX?"</h3><h3> The missing figure is attached.</h3>

Since the figure is a rectangle, you know that:

WV=YX\\\\YV=XW=24

Notice that the segment YV divides the rectangle into two equal Right triangles.

Knowing the above, you can use the following Trigonometric Identity:

tan\alpha =\frac{opposite}{adjacent}

You can identify that:

\alpha =30\°\\\\opposite=YX\\\\adjacent=YV=24

Therefore, in order to find the length of the segment YX, you must substitute values into  tan\alpha =\frac{opposite}{adjacent} and then you must solve for YX.

You get that this is:

tan(30\°)=\frac{YX}{24}\\\\(24)(tan(30\°))=YX\\\\YX=13.85

7 0
3 years ago
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For where it says "choose" is either is/is not or are/are not
OverLord2011 [107]

Answer:

IS NOT; ARE NOT

Step-by-step explanation:

Given: \[  \begin{bmatrix}    \frac{1}{4} & \frac{1}{4}\\    \\-1 & \frac{-1}{2} \end{bmatrix}\]

and \[A =  \begin{bmatrix}    \frac{1}{4} & \frac{1}{4} \\\\    -1 & \frac{-1}{2}  \end{bmatrix}\]

We say two matrices $ A $ and $ B $ are inverses of each other when $ AB = BA = I $ where $ I $ is the identity matrix.

\[I =  \begin{bmatrix}    1 & 0\\    0 & 1  \end{bmatrix}\]

So, for $ X $ and $ A $ to be inverses of each other, we should have $ AX = XA = I $.

Let us calculate $ XA $.

\[\begin{bmatrix} -2 & -1 \\ 8 & 2 \end{bmatrix}\]\[\begin{bmatrix} \frac{1}{4} & \frac{1}{4} \\\\ -1 & \frac{-1}{2}\end{bmatrix}\]$ = $ \[\begin{bmatrix}\frac{1}{2} & 0 \\0 & 0 \end{bmatrix}\]

This is clearly not equal to the identity matrix. So we conclude that the matrices are not inverses of each other.

5 0
3 years ago
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