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EleoNora [17]
2 years ago
13

Find AB А. B N M -3. finele ooie 7 35. D 22 uz to с 29

Mathematics
1 answer:
gizmo_the_mogwai [7]2 years ago
7 0

Answer: 15

Step-by-step explanation:

By the trapezoid midsegment theorem,

\frac{AB+CD}{2}=MN\\\frac{29+AD}{2}=22\\29+AD=44\\AD=15

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Answer:

x=-2.25,y=-2.25

Step-by-step explanation:

The given system is

4x - y =  - 9 \\ 3x - 3y = 0

We want to solve the system for x and y that makes the system true.

Let us multiply the first equation by 3 while maintaining the second equation:

12x -3 y =  - 27 \\ 3x - 3y = 0

Subtract the current second equation from the first one.

12x =  - 27

Divide through by 12:

x =  -  \frac{27}{12}  =  - 2.25

From the second equation we have:

3x = 3y

This implies that:

x = y =  - 2.25

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3 years ago
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3 years ago
How to do you find the constant of variation when it’s a direct variation?
ololo11 [35]

Answer:

The constant of variation in a direct variation is the constant (unchanged) ratio of two variable quantities. The formula for direct variation is. y = k x (or y = k x ) where k is the constant of variation . Example 1: If y varies directly as x and y = 15 when x = 24 , find x when y = 25 .

Step-by-step explanation:

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Answer:

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