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MaRussiya [10]
2 years ago
13

Factor the following expression. 10x^5 + 5x^3 - 14x^2 - 7

Mathematics
1 answer:
nadezda [96]2 years ago
4 0
(5x^3-7)(2x^2+1 answerrrrrrrrrr
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which of the following expresses the coordinates of the foci of the conic section shown below? (x-2)^2/4+(y+5)^2/9
elena55 [62]

Step-by-step explanation:

\frac{(x - 2) {}^{2} }{4}  +  \frac{(y + 5) {}^{2} }{9}  = 1

This is the equation of the ellipse. Since the denominator is greater for the y values, we have a vertical ellipse. Remember a>b, so a

The formula for the foci of the vertical ellipse is

(h,k+c) and (h,k-c).

where c is

Our center (h,k) is (2, -5)

{c}^{2}  =  {a}^{2}  -  {b}^{2}

Here a^2 is 9, b^2 is 4.

{c}^{2}  = 9 - 4

{c}^{2}  = 5

c =  \sqrt{5}

So our foci is

(2, - 5 +  \sqrt{5} )

and

(2, - 5 -  \sqrt{5} )

6 0
1 year ago
SOLVE THIS PROBLEM PLEASE EXPLAIN HOW IT IS CORRECT PROVIDE! ASAP PLS THANK YOU SO MUCH FOR HELPING 10+ POINTS
Savatey [412]

Answer:

14x7=98

Step-by-step explanation:

First you see the line going down and there is the height 7 you can move that tiny triangle to the left where the parallelogram can be made into a rectangle.

all you need is to multiply base x height

base 14cm height 7cm pls brainliest

hope this helps!

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3 years ago
(20 point question) Samantha wants to use her savings of $1,150 to buy shirts and watches for her family. The total price of the
erastova [34]

Answer:

C

Step-by-step explanation:

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3 years ago
The difference of two numbers is 57. the larger number is three less than six times the smaller number. find the numbers.
Sauron [17]
The smaller number is twelve the larger number is 69
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4vir4ik [10]
 x in (-oo:+oo)

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h/j-15 = 0

h*j^-1-15 = 0

x należy do R

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