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MariettaO [177]
3 years ago
10

Find Product (n-4)(2n-6)

Mathematics
1 answer:
Ket [755]3 years ago
5 0

Answer:

n - 4 + 2n - 6

Group like terms

(n + 2n) (-4 -6)

3n - 10

Step-by-step explanation:

Is your algebra expression.

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What is 2 to the second power
kodGreya [7K]

Answer:

4.

Step-by-step explanation:

2 to the second power = 2^2.

2^2 means 2*2 = 4.

The 2 in  ^2 is called the 'exponent' .

Note 3^3 = 3*3*3

and 5^5 = 5*5*5*5*5.

6 0
3 years ago
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A rectangular swimming pool measures 7.5 m by 4.5 m. It is completely surrounded by a fence parallel to each edge of the pool an
Illusion [34]

The total length of the fence is 48 m if the rectangular swimming pool measures 7.5 m by 4.5 m.

<h3>What is rectangle?</h3>

It is defined as the two-dimensional geometry in which the angle between the adjacent sides are 90 degree. It is a type of quadrilateral.

It is defined as the area occupied by the rectangle in two-dimensional planner geometry.

The area of a rectangle can be calculated using the following formula:

Rectangle area = length x width

It is given that:

A rectangular swimming pool measures 7.5 m by 4.5 m.

It is completely surrounded by a fence parallel to each edge of the pool and at a distance of 3 m from each edge of the pool.

The total length of the fence = 2(7.5+3×2 + 4.5+3×2)

The total length of the fence = 2(7.5+6 + 4.5+6)

The total length of the fence = 2(24)

The total length of the fence = 48 m

Thus, the total length of the fence is 48 m if the rectangular swimming pool measures 7.5 m by 4.5 m.

Learn more about the rectangle here:

brainly.com/question/15019502

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4 0
2 years ago
Find the percent of the number 25% of 80
olya-2409 [2.1K]

Answer: 25% of 80 = 20


Step-by-step explanation:

(25:100)*80 =


(25*80):100 =


2000:100 = 20


- R3KTFORGOOD ☕

8 0
3 years ago
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A cylindrical tank has a radius of 15 feet and a height of 45 feet. How many cubic feet of water can the tank hold?
ch4aika [34]
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3 0
3 years ago
Solve 3x−5 = 9. <br> x = −3 <br> x = 2 <br> x = 7 <br> x = 8
Nina [5.8K]

Solve 3x−5 = 9:


Add 5 to both sides, to isolate 3x on the left side: 3x = 5+9 = 14


Solve this for x: x = 14/3

7 0
3 years ago
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