3 years ago

Find the surface area of the rectangular prism.

Mathematics

1 answer:

Jobisdone [24]3 years ago

8 0

Answer:

SA = 270 cm²

Step-by-step explanation:

SA = [(3 x 15) + (5 x 15) + (270 cm3 x 5)] x 2 = 270 cm²

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Answer:

Both expressions are = to 11 when x is 2.

Therefore, the expressions are equivalent.

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3 years ago

The recursive rule for a sequence is shown.an=an−1+9a1=21 what is the explicit rule for this sequence?

bixtya [17]

Answer:

Meaning of Explicit rule , is the general rule for a sequence.

The given sequence is defined as,

$a_{n}=a_{n-1}+9a_{1}-21$ ----(1)

Common Difference(d) of an airthmetic Sequence= N th term - (N-1) th term

$=a_{n}-a_{n-1}\\\\=a_{n-1}-a_{n-2}$

Equation 1 can be written as,

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General rule or explicit rule for this sequence is given as:

$a_{n}=a_{1} +(n-1)d\\\\a_{n}=a_{1}+(n-1)(9a_{1}-21)\\\\a_{n}=a_{1}+9na_{1}-21 n-9a_{1}+21\\\\a_{n}=-8a_{1}+21+n(9a_{1}-21)$

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3 years ago

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Gekata [30.6K]

1)105 divided by 2 equals 52.5
2)294 divided by 6 equals 49 then, 49 times 8 equals 392
3)22 divided by 5 equals 4.4 then, 77 divided by 4.4 equals 17.5

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3 years ago

2 Points<br> Which of the following is the product of the rational expressions shown<br> below?

Norma-Jean [14]

Answer:

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3 years ago

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Help plzzz...also give steps

geniusboy [140]

Answer:

392π

Step-by-step explanation:

Equation is 1/3(piR^2)*h

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1/3(49π)(24)

392π

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3 years ago

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