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kondor19780726 [428]
3 years ago
15

The diagonals AC and BD of the convex quadrilateral ABCD with area 28 intersect each other at point O. The lines which are paral

lel to the diagonal AC come through the midpoints of segments BO and DO . Find the area of the portion of the quadrilateral that is between those lines.

Mathematics
1 answer:
Zina [86]3 years ago
6 0

Answer:

21

Step-by-step explanation (note, the suggested way is not the shortest one):

all the details are in the attached picture.

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Anna35 [415]

Answer: OPTION C.

Step-by-step explanation:

Given a function f(x), the range of the inverse of f(x) will be the domain of the function f(x) and the range of the domain of f(x) will be the range of the inverse function.

For example, if the point (2,1) belongs to f(x), then the point (1,2) belongs to the inverse of f(x).

Observe that in the graph of the function f(x) the point (-3,1) belongs to the function, then the point (1,-3) must belong to the inverse function.

Therefore, you need to search the option that shown the graph wich contains the point (1,-3).

Observe that the Domain f(x) is (-∞,0) then the range of the inverse function must be (-∞,0).

This is the graph of the option C.

4 0
3 years ago
What is the degree of the polynomial below? 4x^3+3x^2+6x+5<br><br> A. 0<br> B. 3<br> C. 1<br> D. 2
alexira [117]

Answer:

B. 3

Step-by-step explanation:

The degree of this polynomial is based on the highest power on the exponents (if there is more than one variable, it is based on the sum)

The highest power is 3, so the degree is 3

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What is the slope intercept equation of the line below?
valentina_108 [34]
The answer is letter D
6 0
2 years ago
Given that
Iteru [2.4K]

Answer:

y=3÷9

Step-by-step explanation:

2x-9y=11

or,2×7-9y=11

or,14-11=9y

or,3÷9=y

6 0
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How is the distance formula related to the equation of a circle?
lara [203]

The distance formula is d = (x^2 + y^2)^(1/2) This is the same equation used for both. In other words, the equation of a circle gives the radius of the circle in terms of x and y, while the distance formula gives the distance from the origin to the final point in terms of x a

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