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3 years ago

Pls help. need explanation too pls

Mathematics

1 answer:

FrozenT [24]3 years ago

5 0

Answer:

-3 ≤ x ≤ 13

Step-by-step explanation:

Values on x- axis between -3 and 13 both numbers included:

x = [-3, 13]
-3 ≤ x ≤ 13

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Evaluate: Sigma 50 over 1 (4n - 1) = [?]

iogann1982 [59]

Answer:

50 over 1 (4n - 1) = 5050

I hope I helped you^_^

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3 years ago

An arithmetic sequence has this recursive formula: (a^1 =8, a^n= a^n-1 -6

eduard

Answer:

$a_n = 8 + (n - 1) (-6)$

Step-by-step explanation:

Given

$a_1 = 8$

Recursive: $a_{n} = a_{n-1} - 6$

Required

Determine the formula

Substitute 2 for n to determine $a_2$

$a_{2} = a_{2-1} - 6$

$a_{2} = a_{1} - 6$

Substitute $a_1 = 8$

$a_2 = 8 - 6$

$a_2 = 2$

Next is to determine the common difference, d;

$d = a_2 - a_1$

$d = 2 - 8$

$d = -6$

The nth term of an arithmetic sequence is calculated as

$a_n = a_1 + (n - 1)d$

Substitute $a_1 = 8$ and $d = -6$

$a_n = a_1 + (n - 1)d$

$a_n = 8 + (n - 1) (-6)$

Hence, the nth term of the sequence can be calculated using $a_n = 8 + (n - 1) (-6)$

3 0

3 years ago

Which number is a multile of both 12 and 24

Kisachek [45]

Answer:

24 you could find the LCM (least common multiple) which is 24 because 12 + 12 = 24 and 24 is as it is.

Step-by-step explanation:

12, 24

Brainliest appreciated.

8 0

3 years ago

Read 2 more answers

If f(x) = 4x2 + 2x + 7, find the value of f(-5). = A. -103 B. -83 C. 97 D. 117

Aloiza [94]

D. 117
4(5)^2+2(5)+7
4(25)+(10)+7
100+10+7= 117

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3 years ago

How can I do this I’m having trouble with it on penn foster

elixir [45]

Answer:

answer is A

Step-by-step explanation

Those lines pointing down to each angle means there both equal

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4 years ago