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Ganezh [65]
3 years ago
13

What is the addition property of equality in the equation 6x-9=45

Mathematics
1 answer:
Lera25 [3.4K]3 years ago
5 0

The addition property of equality is used when we add 9 to both sides

6x-9 = 45

6x-9+9 = 45+9

6x = 54

The next step would be to divide both sides by 6 using the division property of equality

6x = 54

6x/6 = 54/6

x = 9

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3.14x18.8= 59.03

Step-by-step explanation:

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3 years ago
Suppose two rectangles have the same area. Must they have the same length and width? Explain.​
Monica [59]

Answer:

no

Step-by-step explanation:

Two rectangles having the same area do not need to have the same length and width. The length and width of the rectangle are just factor pairs of the number that is the area. For example, if the area was 12, the side lengths would be 1 and 12, 2 and 6, or 3 and 4. As you can see, those aren't the same lengths and widths. A rectangle may be 1x12 and another may be 3x4, but they have the same area.

5 0
2 years ago
A polynomial function of degree 4 with real coefficients could have -3, 1+i, 1-i, and -3,7i as its zeros. true or false
Novosadov [1.4K]

Using complex numbers concepts, it is found that the statement is false.

When a complex number is a root of a polynomial function, it's conjugate also has to be.

  • A complex number has the format a + bi, and it's conjugate is a - bi.

In this problem:

  • Real root -3.
  • Complex-conjugate roots 1 + i and 1 - i.
  • Complex root -3 + 7i.

The conjugate of -3 + 7i also has to be a root, which would make the polynomial of the 5th degree, as it would have 5 roots, thus, the statement is false.

A similar problem is given at brainly.com/question/24450834

5 0
3 years ago
A cylinder has a base radius of 6 inches and a height of 14 inches. What is its volume
DanielleElmas [232]

Answer:

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Step-by-step explanation:

V = π * r^2 * v = π · 6^2 · 14 ≈ 1583.3627

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8 0
3 years ago
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