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choli [55]
3 years ago
7

Name each term of the polynomial : (–9x^4)+(y^3)–7y+19

Mathematics
1 answer:
zvonat [6]3 years ago
5 0

Answer:

9x^4, y^3, -7x, and 19 are the terms of the polynomial.

Step-by-step explanation:

A polynomials is an expression with many terms. Terms are each piece separated by addition or subtraction. They include variables, coefficients and constants.

This polynomial has a quartic term with degree 4, a cubic term with degree 3, a linear term with degree 1 and a constant.

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What is 6/a-6 = 3/a-3 ?<br> help me please
Alenkasestr [34]

Answer:

a=1

Step-by-step explanation:

Multiply all terms by a and cancel:

6+−6a=3+−3a

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−6a+6+3a=−3a+3+3a(Add 3a to both sides)

−3a+6=3

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−3a=−3

−3a

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If A and B are 7 x 2 matrices, and C is a 4x7
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Answer:

  A, B, D, F

Step-by-step explanation:

Matrix operations require that the matrix dimensions make sense for the operation being performed.

Matrix multiplication forms the dot product of a row in the left matrix and a column in the right matrix. That can only happen if those vectors have the same dimension. That is the number of columns in the left matrix must equal the number of rows in the right matrix.

Matrix addition or subtraction operates on corresponding terms, so the matrices must have the same dimension.

The transpose operation interchanges rows and columns, so reverses the dimension numbers. It is a defined operation for any size matrix.

<h3>Defined operations</h3>

A. CA ⇒ (4×7) × (7×2) . . . . defined

B. B -A ⇒ (7×2) -(7×2) . . . . defined

C. B -C ⇒ (7×2) -(4×7) . . . undefined

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E. AC ⇒ (7×2) × (4×7) . . . undefined

F. C' ⇒ (7×4) . . . . defined

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1 year ago
What are other ways to write 20,000,000
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2×10 to the 7th power
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