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Vaselesa [24]
3 years ago
7

Solve for x and y .

Mathematics
1 answer:
Reika [66]3 years ago
7 0

Answer:

x = 4 and y = 2

Step-by-step explanation:

Assuming the figure is a Parallelogram then

Opposite sides are parallel and equal, hence

17x - 64 = x ( subtract x from both sides )

16x - 64 = 0 ( add 64 to both sides )

16x = 64 ( divide both sides by 16 )

x = 4

Also 9y = 2y + 14 ( subtract 2y from both sides )

7y = 14 ( divide both sides by 7 )

y = 2



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3 years ago a father was 3 times as old as his son, in five years time he will be twice as old as his son, what will be the sum
ivolga24 [154]

Answer: 46 years

Step-by-step explanation:

Let the father's age be x and the son's age be y, then 3 years ago:

Father = x - 3

son     = y - 3

Then , from the first statement :

x - 3 = 3 ( y - 3 )

x - 3 = 3y - 9

x     = 3y - 9 + 3

x     = 3y - 6 .......................................... equation 1

In five years time

father = x + 5

son = y + 5

Then , from the second statement

x + 5 = 2 ( y + 5 )

x + 5 = 2y + 10

x       = 2y + 10 - 5

x       = 2y + 5 ........................ equation 2

Equating equation 1 and 2 , we have

3y -6 = 2y + 5

add 6 to both sides

3y = 2y + 5 + 6

subtract 2y from both sides

3y - 2y = 11

y = 11

substitute y = 11 into equation 1 to find the value of x

x = 3y - 6

x = 3(11) - 6

x = 33 - 6

x = 27

This means that the father is presently 27 years and the son is presently 11 years.

In four years time

father = 27 + 4 = 31

son = 11 + 4      = 15

sum of their ages in four years time will be

31 + 15 = 46 years

5 0
3 years ago
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Answer:

3-    5-   1

^      ^     ^

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Step-by-step explanation:

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What is this help please ?
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|k - 2| * |3k| - 1
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|-4 - 2| * |3(-4)| - 1
Multiply 3 by -4
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Subtract 2 from -4
|-6| * |-12| - 1
Use the absolute value method
6 * 12 - 1
Combine like terms 
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Answer:

add the = problome

Step-by-step explanation:

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