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kondor19780726 [428]
1 year ago
15

Please answer quickly, I will give Brainlist and lots of points.

Mathematics
2 answers:
dsp731 year ago
8 0

Answer:

A. A=10

Step-by-step explanation:

you’re welcome

Alecsey [184]1 year ago
5 0

The equation of the ellipse is required \frac{(x)^2}{16} +\frac{(y+4)^2}{25}=1

The required equation is

\frac{x^2}{16} +\frac{(y+4)^2}{25}=1

It can be seen that the major axis is parallel to the y axis.

The major axis points are

(h,k+a)=(0,1)\\(h,k-a)=(0,-9)\\k+a=1\\k-a=-9

Subtracting the equations

2a=10\\\implies a=5

The foci are

(h,k+c)=(0,-1)\\(h,k-c)=(0,-7)

k+c=-1\\k-c=-7

Subtracting the equations

2c=6

c=3

k+c=-1 implies that k=-1-c

k=-1-3

k=-4

<h3>What is the equation of the ellipse?</h3>

\frac{(x-h)^2}{b^2} +\frac{(x-h)^2}{a^2}=1

So we get,

\frac{(x-0)^2}{4^2} +\frac{(y+4)^2}{5^2}=1

\frac{(x)^2}{16} +\frac{(y+4)^2}{25}=1

Therefore the equation is, \frac{(x)^2}{16} +\frac{(y+4)^2}{25}=1.

To learn more about the ellipse visit:

brainly.com/question/450229

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The red line is y=1/2x -4 while the blue one is y=-2x+1. It's the last statement

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A, b, abd c are polynomials, where A=n, B=2n+6, and C=n^2-1 what is AB-C in simplest form?
never [62]
N(2n+6)-(n²-1)= 2n²+6n-n²+1=n²+6n+1
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3 years ago
Spencer, Jaclyn, and Ayden go shrimping in
larisa [96]

The total pounds of shrimp they catch is 9.625 pounds

<h3>Sum of values and decimals</h3>

Decimal number are numbers that has decimal points. Given the following information;

The total shrimp Spencer catch = 2 pounds

The total shrimp Jaclyn catch = 3.25 pounds

The total shrimp Ayden catch = 4.375 pounds

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Hence the total pounds of shrimp they catch is 9.625 pounds

Learn more on sum of decimals here; brainly.com/question/1827193

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7 0
1 year ago
20 points
Fantom [35]

Answer:

The value 4.5 is rational and the value 15−−√ is irrational. The sum of 4.5 and 15−−√ has a non-repeating and non-terminating decimal expansion. Therefore, the sum of 4.5 and 15−−√ is irrational. I can't explan but that's the correct Answer

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2 years ago
Which equation models the problem below if c represents the number of babies whose eyes are closed? There are 12 babies in a pho
Pavel [41]

The correct answer is: 9 + c = 12

Further explanation:

Given

c = number of babies whose eyes are closed

So,

If the total number of babies are 12 then the sum of babies with eyes closed and eyes opened should be equal to 12.

As c is the number of babies with eyes closed and 9 is the number of babies with eyes opened then,

9+c = 12

The equation can be used to find the number of babies whose eyes are open

9+c-9 = 12 -9\\c = 3

Three babies have their eyes closed in the photograph.

Keywords: Linear equations, Word problems

Learn more about linear equations at:

  • brainly.com/question/537998
  • brainly.com/question/5563823

#LearnwithBrainly

5 0
3 years ago
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