MATHEMATICS MIDDLE SCHOOL

A square has a side length of 4\19x - 9 units. what is its perimeter in terms of x?a) 4\19x - 36

b) 16\19x-9

c) 16\19x-36

d) 16\19x +36

Answers

Answer 1
Answer:

16/19 x-36 is the perimeter of square whose side length is 4\19x - 9 units

What is Square?

square, in geometry, a plane figure with four equal sides and four right (90°) angles. A square is a special kind of rectangle (an equilateral one) and a special kind of parallelogram

We need to find the perimeter of square whose side length is 4\19x - 9 units.

Perimeter of square=4a

Where a is length of side

a=4\19x - 9

Perimeter of square=4(4\19x - 9)

Apply distributive property

=16/19 x-36

Hence 16/19 x-36 is the perimeter of square whose side length is 4\19x - 9 units

To learn more on Square click:

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Answer 2
Answer: The answer is c because you add 4/19x four time because it is a square. That will be 16/19x. Then you add -9 four time for the same reason and end up with -36.

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Answers

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Which expression is equivalent to -4(X+2)-1/2(2X-6

Answers

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Answers

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What is the value of the function when x = 4?

y = 3x + 7

Answers

2x - 3y = 7 and -3x + y = 7..multiply Equation 2 by THREE and add to Equation 1
-9x + 3y = 21...........................watch the y's disappear
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substitute -4 instead of x in either of the ORIGINAL equations

2x - 3y = 7
2(-4) - 3y = 7
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im not sure
y=3x+7\ \ \ | substitute\ x=4\n\ny=3*4+7\n\ny=12+7=19\n\nValue\ of\ function\ is\ 19.

How is the number 2 in 582 similar to the 2 in the number 528

Answers

Answer:


Step-by-step explanation:

If we look at both the numbers that are 582 and 528, "2" appears like similar but actually its different in both the numbers. As in 528, the number is worth 20 as 2 is in the tens place, whereas in 582, the worth of the number is 2 as the 2 is in ones place. Therefore, it seems like 2 is same in both the numbers but has different worth in actual.
In the number 582, the 2 has a value of 2.
In the number 528, the 2 has a value of 20.

Similarities...
1) Both divisible by 2.
2) Both divisible by 1.
3) Both are even numbers.
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