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MatroZZZ [7]
3 years ago
14

Height of a table tennis net: 6 in. height of a tennis net: 3ft

Mathematics
1 answer:
astraxan [27]3 years ago
7 0
The table is 3.5 ft tall
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Which of the following statements are true?
lana [24]

Answer:

B, C, E, & F

Step-by-step explanation:

Option A is incorrect because the equation Ax = b is referred to as a matrix equation, not a vector equation.

Option B is correct. If Ax = b has a solution, vector b will a linear combination of columns of matrix A.

Option C is correct. In a matrix equation, product Ax when defined, is a sum of products.

Option D is incorrect. If an augmented matrix [Ab] had a pivot position in every row, there could be a pivot in the last column which would make it inconsistent.

Option E is correct. If the columns of an m×n matrix A spanR^m, then the equation Ax=b is consistent for each b in

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Options B, C, E, and F are correct.

7 0
3 years ago
Helpp!!!
astraxan [27]

9514 1404 393

Answer:

  11.9 cm

Step-by-step explanation:

The mnemonic SOH CAH TOA reminds you of the relation between the side opposite the angle (BC) and the hypotenuse (14 cm).

  Sin = Opposite/Hypotenuse

  sin(58°) = BC/(14 cm)

  BC = (14 cm)×sin(58°) . . . . . multiply by the denominator

  BC ≈ 11.9 cm

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3 years ago
Help with number 5 (c,d) pleaseee!!!
Advocard [28]
D because of the input to the square radius of the units three squares over t the right
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3 years ago
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