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Sergio [31]
4 years ago
11

What is the center of dilation a b c d

Mathematics
1 answer:
galina1969 [7]4 years ago
3 0

Answer:

<h2>A</h2>

Step-by-step explanation:

Look at the picture.

Only from point A do the lines pass through the corresponding vertices of both triangles.

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An ellipse has a center at the origin, a vertex along the major axis at (10, 0), and a focus at (8, 0). Which equation represent
Alchen [17]
Check the picture below.  So the ellipse looks more or less like so.

since the major axis is over the x-axis, is a horizontal ellipse, notice the "a" component length and the value for "c".

\bf \textit{ellipse, horizontal major axis}&#10;\\\\&#10;\cfrac{(x- h)^2}{ a^2}+\cfrac{(y- k)^2}{ b^2}=1&#10;\qquad &#10;\begin{cases}&#10;center\ ( h, k)\\&#10;vertices\ ( h\pm a,  k)\\&#10;c=\textit{distance from}\\&#10;\qquad \textit{center to foci}\\&#10;\qquad \sqrt{ a ^2- b ^2}&#10;\end{cases}\\\\&#10;-------------------------------

\bf \begin{cases}&#10;h=0\\&#10;k=0\\&#10;a=10\\&#10;c=8&#10;\end{cases}\implies 8=\sqrt{a^2-b^2}\implies 8^2=a^2-b^2\implies b^2=10^2-8^2&#10;\\\\\\&#10;b=\sqrt{100-64}\implies b=6&#10;\\\\\\&#10;\cfrac{(x-0)^2}{10^2}+\cfrac{(y-0)^2}{6^2}=1\implies \cfrac{x^2}{100}+\cfrac{y^2}{36}=1

3 0
4 years ago
Read 2 more answers
Your drawer contains 9 black socks and 10 white socks. You randomly choose two socks. Without replacing the first one, what is t
nekit [7.7K]

Answer:

10 / 38

Step-by-step explanation:

Black socks = 9

White = 10

Total = 10 + 9 = 19

Choosibg without replacement :

P(white) = 10 / 19

Second pick:

P(black) = 9 / 18 = 1/ 2

P(white then black) = 10/19 * 1/2 = 10/38

5 0
4 years ago
Consider the equation -5\cdot e^{10t}=-30−5⋅e
yulyashka [42]

The approximate equation is n = (ln 6)/10 and approximate value is n = 0.179.

<h3>What is Exponential equation?</h3>

In mathematics, an exponential function is a function of form f (x) = aˣ, where “x” is a variable and “a” is a constant which is called the base of the function and it should be greater than 0.

Here, given equation; (we are using n in place of t)

          -5.e¹⁰ⁿ = -30

      On dividing -5 both sides, we get

           -5.e¹⁰ⁿ/-5 = -30/-5

                e¹⁰ⁿ  = 6

 Taking 'ln' on both side, we get

             10n = ln 6

              n = (ln 6)/10

              n = 1.791759/10

              n = 0.179

Thus, the approximate equation is n = (ln 6)/10 and approximate value is n = 0.179.

Learn more about exponential function from:

brainly.com/question/14355665

#SPJ1

4 0
3 years ago
Graph y=3/4x-1<br> Please provide a photo too<br> 15 POINTS, WILL GIVE BRAINLIEST!
Reika [66]

So I believe this is the correct answer

6 0
4 years ago
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13 of snow fell in 9 hours. Write the number of inches per hour?
Bezzdna [24]

Answer:

1.44

Step-by-step explanation:

All you have to do is divide 13 by 9 and get 1.44, that is how much snow fell in 1 hour

pls mark brainliest

3 0
3 years ago
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