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3 years ago

The elevation of a fish is - 27 feet. The fish descends 32 feet, and then rises

Mathematics

2 answers:

insens350 [35]3 years ago

7 0

-45 feet would be correct

Tems11 [23]3 years ago

3 0

Answer:

-45 feet.

Step-by-step explanation:

That would be - 27 - 32 + 14

= -59 + 14

= -45 feet.

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Choose the equation below that represents the line passing through the point (1, −4) with a slope of one half . (1 point)

bixtya [17]

3rd one
Reason:
Point slope formula: y-y1=m(x-x1)
y1=-4
x1=1
m=1/2
Put it all together and you get a final answer of:
y-(-4)=1/2(x-1)
two negatives make one positive
so,
final answer:y+4=1/2(x-1)

6 0

3 years ago

If f(x) = -4(x+1) ; find the following.

marishachu [46]

Answer:

1. Ans;

$f(x) = - 4(x + 1) \\ \\ f( - 4) = - 4( - 4 + 1) = - 4( - 3) = 12 \\ 8f( - 4) = 8(12) = 96 \\ \\ f(3) = - 4(3 + 1) = - 4(4) = - 16 \ \\ \\ \frac{8f( - 4)}{f(3)} = \frac{96}{ - 16} = - 6$

2. Ans;

$f(x) = - 4(x + 1) \\ \\ f( - 13) = - 4( - 13 + 1) = - 4( - 12) = 48 \\ 3f( - 13) = 3(48) = 144 \\ \\ f(6) = - 4(6 + 1) = - 4(7) = - 28 \\ 5f(6) = 5( - 28) = - 140 \\ \\ 3f( - 13) + 5f(6) = 144 + ( - 140) \\ = 144 - 140 \\ = 4$

3.Ans;

$f(x) = - 4(x + 1)\\ f(1) = - 4(1 + 1) = - 4(2) = - 8 \\ - 4f(1) = - 4( - 8) = 32 \\ \\ f( - 1) = - 4( - 1 + 1) = - 4(0) = 0 \\ 9f( - 1) = 9(0) = 0 \\ \\ - 4f(1) - 9f( - 1) = 32 - 0 = 32$

4.Ans;

$f(x) = - 4(x + 1)\\ f(4) = - 4(4 + 1) = - 4(5) = - 20 \\ - 2f(4) = - 2( - 20) = 40 \\ \\ f( - 5) = - 4( - 5 + 1) = - 4( - 4) = 16 \\ \\ - 2f(4) \times f( - 5) = 40 \times 16 = 640$

I hope I helped you^_^

3 0

3 years ago

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madreJ [45]

Answer:

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Step-by-step explanation:

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3 years ago

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Alex17521 [72]

Answer:

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Step-by-step explanation:

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3 years ago

An element with a mass of 810 grams decays by 29.3% per minute. To the nearest minute, how long will it be until there are 10 gr

lakkis [162]

Answer:

Step-by-step explanation:

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3 years ago