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nata0808 [166]
2 years ago
5

Given the ellipse represented by the following equation, where are the foci? VIEW IMAGE

Mathematics
1 answer:
kicyunya [14]2 years ago
7 0

Answer:

A.

Step-by-step explanation:

81 - 16 = 65

81 - 16 = 65

formula c^2 = a^2 - b^2

c^2 = 81 - 16

√c^2 = √ 65

c = √ 65

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At Cindy's birthday each guest will get one-third of a medium sized pizza. There will be 12 people at the party, including Cindy
tiny-mole [99]

Answer: 4 pizzas

Step-by-step explanation:

There are to be 12 people at the party.

Each person is expected to take 1/3 of a pizza.

The total number of pizza needed is therefore:

= No. of people * quantity of pizza

= 12 * 1/3

= 4 pizzas

<em>Note: Answer would be 6 if each guest wanted 1/2 of a pizza. </em>

3 0
3 years ago
According to the Fundamental Theorem of Algebra, the graph of f(x) = x2 - 4x + 3, has roots. From the graph we can see that it h
andreyandreev [35.5K]

Answer:

The graph f(x)=x^2-4x+3  has two zeros namely 3 and 1.

Step-by-step explanation:

Consider the given equation of graph f(x)=x^2-4x+3

According to the Fundamental Theorem of Algebra

For a given polynomial of degree n can have a maximum of n roots.

Thus, for the given equation f(x)=x^2-4x+3  the degree of polynomial is 2 , thus the function can have maximum of 2 roots.

We know at roots the value of function is 0 that is f(x) = 0,

Substitute f(x) = 0 , we get, f(x)=x^2-4x+3=0

This is a quadratic equation, x^2-4x+3=0

We first solve it manually and then check by plotting graph.

Quadratic equation can be solved using middle term splitting method,

here, -4x can be written as -x-3x,

x^2-4x+3=0 \Rightarrow x^2-x-3x+3=0

\Rightarrow x(x-1)-3(x-1)=0

\Rightarrow (x-3)(x-1)=0

Using zero product property, a\cdot b=0 \Rightarrow a=0\ or \ b=0

\Rightarrow (x-3)=0 or \Rightarrow (x-1)=0

\Rightarrow x=3 or \Rightarrow x=1

Thus, the two zero of f(x) are 3 and 1.

We can also see on graph attached below that the graph f(x)=x^2-4x+3  has two zeros  namely 3 and 1.  

3 0
3 years ago
72 348 675 125 what is the value of the 2 in 72
Masja [62]
2 Billion Is The Value
4 0
3 years ago
J- 7.5 = 16.937 ????
Leviafan [203]
Add 16.937 and 7.5. It's basically doing the problem backwards.
8 0
3 years ago
What's the value that could be added to 2/5 to make the sum greater than 1/2
Svetlanka [38]

The value that could me added to 2/5 that could make the sum greater than 1/2 is 1/5 possibly. Hope this helps! :)

<h2>-CloutAnswers</h2>
5 0
3 years ago
Read 2 more answers
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