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Iteru [2.4K]
3 years ago
13

Evaluate: [(21 + 6) − 32] ÷ 9.2 A) 4. B) 4.6. C) 1. D) 52.

Mathematics
1 answer:
Dima020 [189]3 years ago
5 0
[(21 + 6) - 32] : 9.2 = (27 - 32) : 9.2 = -5 : 9.2 = -46
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Write a recursive formula for the sequence –2, 4, –8, 16, ...<br><br> please help and thank you
vaieri [72.5K]

Answer:

see explanation

Step-by-step explanation:

A recursive formula allows us to calculate any term in the sequence from the previous term.

These are the terms of a geometric sequence with r being the common ratio between consecutive terms.

r = 4 ÷ - 2 = - 8 ÷ 4 = 16 ÷ - 8 = - 2

Multiplying a particular term by - 2 gives the next term in the sequence.

Hence recursive formula is

a_{n+1} = - 2 a_{n} with a₁ = - 2

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2 years ago
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If the measure of angle 5 is (11x- 14) and x=6, which expression could represent the measure of angle 2?
Anna [14]
I don't really get the question but if you mean 11x-14 it's 52
6 0
3 years ago
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A submarine was situated 800 feet below sea level.
Ghella [55]

Answer:

New position = -525 ft or 525 ft below the sea level

Step-by-step explanation:

Lets h be the height of the sea.

Given:

A submarine was situated 800 feet below sea level.

It is ascends 275 feet.

We know that h = 0 on the surface of the sea.

When we go below the surface vertically inside the sea the height will become negative.

So the submarine was situated h = -800 feet below the sea level, and it is ascends 275 feet from -800 feet.

So the new height of the submarine is.

h = -800 + 275

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8 0
3 years ago
Help please its math i really need help
Norma-Jean [14]

Answer:

m<D = 26

Step-by-step explanation:

Exterior angles thm:

83 + 6x - 4 = 21x + 4

6x + 79 = 21x + 4

6x - 21x = 4 - 79

-15x = -75

x = 5

m<D:

6x - 4

6(5) - 4

30 - 4

26

4 0
3 years ago
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