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Ira Lisetskai [31]
3 years ago
6

624,836+282,189 what is the estimate

Mathematics
1 answer:
puteri [66]3 years ago
8 0
907,025 is the answer
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A cube with 40-cm-long sides is sitting on the bottom of an aquarium in which the water is one meter deep. (Round your answers t
Molodets [167]

Answer:

940.8 N

1254.4 N

Step-by-step explanation:

I would think the questions would be to calculate the forces at the top of the cube and at the sides. Thus:

On the top:

F = pressure * area

P = density * gravity * height

the height would be:

1m - 0.4m = 0.6m

replacing:

P = 1000 * 9.8 * 0.6 = 5880

A = (0.4) ^ 2 = 0.16

F = 5880 * 0.16

F = 940.8 N

On the sides:

dF = d * g * h * dA

dA = 0.4 * dh replacing

dF = 1000 * 9.8 * h * 0.4 * dh

dF = 3920 * h * dh

We integrate both sides and we have:

F = 3920 * (h ^ 2/2), h = 0.6 up to h = 1

F = (3920/2) * (1 ^ 2 - 0.6 ^ 2)

F = 1254.4 N

3 0
3 years ago
A bag contains 8 blue marbles, 6 green marbles, 12 yellow marbles, and 10 orange marbles. A marble is drawn at random from the b
Blababa [14]
The answer is c okay
6 0
3 years ago
Find the equation of the line parallel to y=2x+6 passing through (4,5)
ozzi

Answer:

y=2x-3

when two lines are parallel, they have the same slope.

in the formula y=mx+b, m=slope of the line

we know 2 will be the slope for the line passing through (4,5)

next plug in (4,5) into the formula with 2 as the slope

4=x 5=y

next 5=2(4)+b

and you end up with

y=2x-3 when you simplify

3 0
3 years ago
I WILL GIVE BRAINILY... I need the full equation ASAP THANK YOU!!
photoshop1234 [79]

Answer:

y=\frac{9}{10} x-\frac{7}{5}

Step-by-step explanation:

points on the line:- (-4,-5)&(6,4)

slope= 4+5/6+4= 9/10

y-4=9/10(x-6)

y=9x/10-54/10+4

y=9/10 x-7/5

✄┈┈┈┈┈┈┈┈┈┈┈┈┈┈«

┍━━━━ ⋆⋅☆⋅⋆ ━━━━┑

        hope it helps..

     have a great day!!

┕━━━━ ⋆⋅☆⋅⋆ ━━━━┙

6 0
2 years ago
Heelp me with this plz im trying to help one of my older sisters
morpeh [17]

Answer:

b

Step-by-step explanation:

3 0
2 years ago
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