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Goshia [24]
2 years ago
8

Help math class someone explain this to meee!!??

Mathematics
2 answers:
Nookie1986 [14]2 years ago
6 0
6 67 10 hope this help :)
Goshia [24]2 years ago
4 0

Just colecting pionts so sorry if i anony you

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Look at the Schoology problem provided below.
lys-0071 [83]

Answer:

k = 4 units

Step-by-step explanation:

Using Pythagoras' identity on the right triangle.

The square on the hypotenuse is equal to the sum of the squares on the other 2 sides, that is

k² + 7.5² = 8.5²

k² + 56.25 = 72.25 ( subtract 56.25 from both sides )

k² = 16 ( take the square root of both sides )

k = \sqrt{16} = 4

6 0
3 years ago
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jeka57 [31]

Answer:

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Step-by-step explanation:

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3 years ago
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3x ^ 3 - x ^ 2 Determine if the expression is polynomial or not . If it is a polynomial , state the type and degree of the polyn
kaheart [24]

Answer:

The given expression is a cubic polynomial with degree 3.

Step-by-step explanation:

We are given the following in the question:

3x^3-x^2

Polynomial:

  • A polynomial is an expression.
  • It  consisting of variables and coefficients.
  • The variables and coefficients involves only the operations of addition, subtraction, multiplication, and non-negative integer exponents of variables.

Since, the given expression satisfies all the properties, it is a polynomial.

Degree of polynomial:

  • It is the maximum degree of the polynomial.

The degree of given polynomial is 3.

Nature of polynomial:

It is a cubic polynomial.

8 0
3 years ago
Solve 9x² - 6x + 1 = 0 using the Quadratic Formula.
andrezito [222]

Answer:1/3 i dont know if this is right i just kindly copied the guy on top

Step-by-step explanation:

7 0
3 years ago
At the theater, tickets for adults cost $4.75
shutvik [7]
X+y= 26 and 4.75x + 2.25y= 83.50

y=26-x( substitute this into second equation for y and solve for x)

4.75x + 2.25(26-x)= 83.50

4.75x + 58.5-2.25x= 83.50

x= 10

Now solve for y by substituting your answer for x

10+ y= 26

y=16

Therefore, 16 tickets were purchased for kids and 10 for adults.

7 0
3 years ago
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