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morpeh [17]
2 years ago
13

What is the answer to this math question (2y+3)(3y^2+4y+5)

Mathematics
1 answer:
swat322 years ago
7 0

Answer:

i think 13

Step-by-step explanation:

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Two sides of a triangle are two consecutive number, whose area is 17.5cm². Find the numbers
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Answer:

The numbers associated with the triangle are 5.437 and 6.437 centimeters, respectively.

Step-by-step explanation:

Two numbers are consecutives, when their difference is equal to 1. The area of the triangle is determined by the following formula:

A = \frac{1}{2}\cdot n \cdot (n+1)

A = \frac{1}{2}\cdot (n^{2}+n)

A = \frac{n^{2}}{2}+\frac{n}{2}

n^{2}+n = 2\cdot A

Where n is the shortest length of the triangle, measured in centimeters.

And we get the following second-order polynomial:

n^{2}+n -2\cdot A = 0 (1)

If we know that A = 17.5\,cm^{2}, then the shortest length of the triangle is:

n_{1} = 5.437\,cm and n_{2} \approx -6.437\,cm

Since length is a positive variable, the only possible solution is:

n\approx  5.437\,cm

Then, the numbers associated with the triangle are 5.437 and 6.437 centimeters, respectively.

6 0
2 years ago
Select two numbers that make the inequality true. 2x - 3 > 1​
marissa [1.9K]

Answer:

3,4,5,6,..................any number bigger than 3 can be taken as the answer

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The length of one side of a square is 3n+2. The perimeter of the square is 4(3n+2). Which expression is equivalent to the perime
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Step-by-step explanation:

as we know perimeter of a square is 4 x side

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