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erastova [34]
3 years ago
9

What is 2/3 ÷ 4/52/3 5/61 1/53 1/3​

Mathematics
1 answer:
steposvetlana [31]3 years ago
6 0

Answer:

5/6

Step-by-step explanation:

mental math

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The answer is <span>a. the right to be told what fees or minimum balances an account has</span>
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Only need help on 30 and 36!!! please help 7 grade math
Igoryamba

Answer:

30) =

36) >

Explanation:

|x| means the absolute value and cannot be negative, so |5| and |-5| are the same.

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What is the exact value of cos (67.5° )?
Brilliant_brown [7]

Answer:

0.38268343

Step-by-step explanation:

cos( 67.5 )

Rewrite  

67.5

as an angle where the values of the six trigonometric functions are known divided by  2 . cos ( 135\ 2)

Apply the cosine half-angle identity.

±

√

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+

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(

135

)

2

 

Change the  

±

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because cosine is positive in the first quadrant.

√

1

+

cos

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135

)

2

Simplify  

√

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+

cos

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)

2

√

2

−

√

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2

The result can be shown in multiple forms.

Exact Form:

√

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−

√

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2

Decimal Form:

0.38268343

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6 0
3 years ago
Matrix a is a 6 × 5 matrix. which order of matrix can be multiplied by matrix a to create matrix ab?
mezya [45]

Order (B) 5 × 6 of the matrix can be multiplied by matrix a to create matrix ab.

<h3>What is a matrix?</h3>
  • A matrix is a rectangular array or table of numbers, symbols, or expressions that are organized in rows and columns to represent a mathematical object or an attribute of such an object in mathematics.
  • For instance, consider a matrix with two rows and three columns.

To find the order of matrix:

  • We must first check the dimension of two matrices, say matrix A by matrix B, before we may multiply them.
  • Multiplication is achievable if the number of columns in the first matrix, A, equals the number of rows in the second matrix.
  • Dimension is assigned to the provided matrix: 6 × 5
  • This means the given matrix contains six rows and five columns.
  • As a result, the second matrix MUST have 5 rows in order for multiplication to be POSSIBLE.
  • The only matrix with 5 rows among the above alternatives is the matrix with dimension (B) 5 × 6.

To prove:

  • In other words, the inner products of the dimensions should be equal.
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  • The dimensions of the matrix are given by, row × column.

Therefore, order (B) 5 × 6 of the matrix can be multiplied by matrix a to create matrix ab.

Know more about matrix here:

brainly.com/question/24079385

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