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frutty [35]
3 years ago
11

Write a comparison statement for the depth of the hermit crab and the redfish.

Mathematics
1 answer:
Delicious77 [7]3 years ago
8 0
2 ft > -3 ft
The redfish is deeper than the hermit crab.
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2 groups of 3 tenths pls answer today I need this answer
SSSSS [86.1K]

Answer:

6/10

Step-by-step explanation:

2 groups of 3/10 =

2 × 3/10 =

6/10

3 0
3 years ago
jenna's rectangular garden borders a wall. she buys 80 ft of fencing. what are the dimensions of the garden that will maximize i
FrozenT [24]

Answer:

The  dimensions are x =20 and y=20 of the garden that will maximize its area is 400

Step-by-step explanation:

Step 1:-

let 'x' be the length  and the 'y' be the width of the rectangle

given Jenna's buys 80ft of fencing of rectangle so the perimeter of the rectangle is    2(x +y) = 80

                         x + y =40

                               y = 40 -x

now the area of the rectangle A = length X width

                                                  A = x y

substitute 'y' value in above A = x (40 - x)

                                              A = 40 x - x^2 .....(1)

<u>Step :2</u>

now differentiating equation (1) with respective to 'x'

                                      \frac{dA}{dx} = 40 -2x     ........(2)

<u>Find the dimensions</u>

<u></u>\frac{dA}{dx} = 0<u></u>

40 - 2x =0

40 = 2x

x = 20

and y = 40 - x = 40 -20 =20

The dimensions are x =20 and y=20

length = 20 and breadth = 20

<u>Step 3</u>:-

we have to find maximum area

Again differentiating equation (2) with respective to 'x' we get

\frac{d^2A}{dx^2} = -2

Now the maximum area A =  x y at x =20 and y=20

                                        A = 20 X 20 = 400

                                         

<u>Conclusion</u>:-

The  dimensions are x =20 and y=20 of the garden that will maximize its area is 400

<u>verification</u>:-

The perimeter = 2(x +y) =80

                           2(20 +20) =80

                              2(40) =80

                              80 =80

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3 years ago
It takes a boat going upstream 5 hours to cover the same distance, as it would cover in 3 hours going downstream. What is the sp
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Answer: 15 kilometers per hour

Step-by-step explanation:

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Find the quantity represented by each percent. 120% of $590
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120% of 590=1.20*590=708.
For x% of a number y, the answer is x/100*y.
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Determine the intercepts of the line
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Answer:

x-intercept (-7,0)

y-intercept (0,2)

Step-by-step explanation:

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