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N76 [4]
3 years ago
7

The value of -4^2 is _____. 16 -16 8 18

Mathematics
1 answer:
Dennis_Churaev [7]3 years ago
5 0
16 because two negatives numbers equal a possitive so 16
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What is the sum of the arithmetic series
docker41 [41]

Answer:

S_ {12} = 192

Step-by-step explanation:

The nth term of the given arithmetic sequence is

U_n = 3 + 2n

The first term of this series is:

U_1 = 3 + 2(1) = 5

The last term of this series is when

n = 12

U_ {12}= 3 + 2(12)

U_ {12}= 3 + 24 = 27

The sum of the first n terms of an arithmetic series when the first an last term is known is given by:

S_n =  \frac{n}{2}(a + l)

Where a=5 is the first term and l=27 is the last term.

S_ {12} =  \frac{12}{2}(5 + 27)

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6 0
3 years ago
What is the range of the function?
Tanya [424]

Answer: Option D

Step-by-step explanation:

The y-axis of the table represents the range of the function.

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3 years ago
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const2013 [10]

Answer:

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         5M

Step-by-step explanation:

d -3f² = 5 B B

5 BM = d - 3f²

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6 0
3 years ago
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Write the equation for the graphed function. I worked out y = 5 - 4 (x + 4)^2 but that isn't right. Any help would be appreciate
alexira [117]

Vertex form for a parabola with vertex (p,q) is

y = a(x-p)^2 + q

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2 = a + 5

a = -3

Putting it together,

Answer: y = -3(x + 4)^2 + 5

We could multiply that out if we like but I won't bother.


5 0
3 years ago
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zvonat [6]

idk


.................



3 0
3 years ago
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