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Setler [38]
2 years ago
14

15,000 feet to kilometers.

Mathematics
2 answers:
andrezito [222]2 years ago
7 0

Answer: 4.572

Step-by-step explanation:

Tresset [83]2 years ago
6 0

Answer: 4.572 killometers.

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I need help hah lol " It's too short. Write at least 20 characters to get a great answer. " there.
marishachu [46]

Answer:

54.872

Step-by-step explanation:

volume of a cube = s³

where s = side length

side length given here is 3.8

so volume = 3.8³ = 54.872

7 0
2 years ago
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Find the slope of the line that passes through (-2, 5) and (-2, 1).<br> m=5-1/-2-2/=4/-4= -1
Inessa05 [86]

Answer:

(1-5)/(-2+2)= -4/0 is undefined

4 0
2 years ago
Peter's farm has 160 meters of fencing, and he wants to fence a rectangular field thatborders a straight river. He needs no fenc
Likurg_2 [28]

ANSWER

3200 m²

EXPLANATION

Peter wants to build a fence around a rectangular field, except for one side because the river is there,

So, the total perimeter of the fence is,

P=W+W+L=2W+L

And this is equal to 160 m. Solving for L,

160=2W+L\text{ }\Rightarrow\text{ }L=160-2W

The area of this field is,

A=WL

Replace L with the expression we found from the perimeter,

A=W(160-2W)=160W-2W^2

The area is given by a quadratic function whose leading coefficient is negative, which means that the graph is a downward parabola and, therefore, the vertex is the maximum value of the area.

The x-coordinate of the vertex is given by,

f(x)=ax^2+bx+c\text{ }\Rightarrow\text{ }x_{vertex}=\frac{-b}{2a}

In this case, x is W, a = -2, and b = 160, so the width of the field for the maximum area is,

W_{vertex}=\frac{-160}{2(-2)}=\frac{160}{4}=40m

And the length when W = 40 is,

L=160-2W=160-2\cdot40=160-80=80m

And the area is,

A=WL=40m\cdot80m=3200m^2

Hence, the largest area of Peter's farm that can be fenced is 3200 square meters.

5 0
9 months ago
While she was training for a marathon Lucy ran a total of 120 kilometers. How many meters did she run
Mekhanik [1.2K]

ANSWER

My answer is in the photo above

3 0
2 years ago
PLEASE HEKP FAST FAST
ollegr [7]

Answer:

1. (-6,-2)

2. (3, -5)

3. (3, 2)

4. (8, -9)

Step-by-step explanation:

Where's the pic for 5 and 6?

8 0
3 years ago
Read 2 more answers
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