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Gre4nikov [31]
3 years ago
12

45. A crew member on a boat releases a camera 2 feet above the surface of a lake. The

Mathematics
1 answer:
zzz [600]3 years ago
8 0

Answer:

C. 4 feet below

Step-by-step explanation:

A crew member on a boat releases a camera 2 feet above the surface of a lake. That is +2 feet

The camera falls 6 feet. -6

+2+(-6)

2-6

-4

Below 4 feet

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vodomira [7]

Step-by-step explanation:

\sqrt{ x^{2}-10x+25}+25+12\sqrt{x} =15\sqrt{x} \\  \\  \therefore \: \sqrt{ x^{2}-10x+ {5}^{2} }+25 =15\sqrt{x} - 12\sqrt{x}\\  \\  \therefore \: \sqrt{( x - 5)^{2}}+25 =3\sqrt{x}  \\  \\ \therefore \:  x - 5+ 25 = 3 \sqrt{x}  \\  \\ \therefore \: x + 20 = 3 \sqrt{x}  \\  \\ squaring \: both \: sides \\ (x + 20)^{2}  = ( {3 \sqrt{x} })^{2}  \\ \therefore \:  {x}^{2}  + 40x + 400 = 9x \\ \therefore \:  {x}^{2}  + 40x + 400  - 9x = 0 \\  \therefore \:  {x}^{2}  + 31x + 400  = 0 \\

8 0
4 years ago
6 3/8 divided by 2 1/8
wariber [46]

Answer:

Your answer should be 3, hope this helps!

6 0
4 years ago
Read 2 more answers
The surface area of a cube is 216in.² what is the volume of a cube
saw5 [17]

Answer:216 in^3

Step-by-step explanation:

Length=L

Surface area=216

surface area=6 x L^2

216=6xL^2

Divide both sides by 6

216/6=(6xL^2)/6

36=L^2

L^2=36

Take the square root of both sides

√(L^2)=√(36)

L=6

Volume of cube=L x L x L

volume of cube=6 x 6 x 6

Volume of cube=216

8 0
3 years ago
There are 15 chickens at a farm that are white. This number represents 25% of the total number of chickens at a farm. How many t
Lana71 [14]
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4 0
3 years ago
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The absolute value of a complex number z=a+bi, denoted |z|, is given by the formula
ad-work [718]

Step-by-step explanation:

You need to find six combinations of a and b such that a² + b² = 7.

a = 1, b = √6

a = √2, b = √5

a = √3, b = 2

a = 2, b = √3

a = √5, b = √2

a = √6, b = 1

7 0
3 years ago
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