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Eva8 [605]
2 years ago
11

1. A cube-shaped aquarium has edges that are 4 ft. long. The aquarium is filled with water that has a density of

Mathematics
1 answer:
mr_godi [17]2 years ago
3 0
So first you find the volume of the cube which is 4x4x4 or 64 
(a) is asking what the cube ways with water so you multiply 51  and 64= 3264 so the table would break so, no
(b) the equation 51 lb per cubic feet is the density so would filling it half way change the equation? also no
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Find the surface area of the composite figure. 6cm 5 cm 20cm 4cm 12cm 6cm​
Crazy boy [7]

Answer:

644 cm²

Step-by-step explanation:

Surface area of the composite figure = surface area of the large rectangular prism + surface area of the small rectangular prism - 2(area of the surface of the small rectangular prism that joins the larger prism)

✔️Surface area of the large rectangular prism = 2(LW + LH + WH)

L = 6 cm

W = 5 cm

H = 20 cm

Surface area = 2(6*5 + 6*20 + 5*20)

= 500 cm²

✔️Surface area of the small rectangular prism = 2(LW + LH + WH)

L = 6 cm

W = 4 cm

H = 12 cm

Surface area = 2(6*4 + 6*12 + 4*12)

= 288 cm²

✔️area of the surface of the small rectangular prism that joins the larger prism = L*W

L = 12 cm

W = 6 cm

Area = 12*6

= 72 cm²

✅Surface area of the composite figure = 500 + 288 - 2(72)

= 644 cm²

7 0
2 years ago
Toby is making a picture graph. each picture of a books is equal to 2 books he has read. the town for month 1 has 3 pictures of
vovikov84 [41]
To find the answer:
2books x 3pictures = 6books
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5 0
3 years ago
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Solve the equation -31=-6z-4z
jok3333 [9.3K]
<span>-31=-6z-4z
Subtract 4z from -6z
-31=-10z
Divide both sides by -10
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8 0
2 years ago
Quadratic functions heeeeeellllppp
anzhelika [568]

Answer:

See below

Step-by-step explanation:

Remember that quadratic functions are parabolas when graphed.  The solutions are where the parabola crosses the x-axis.

1.   The vertex of the parabola in f(x) is (0, 9) which is above the x-axis and the parabola opens up.  So the parabola does not cross the x-axis.  Therefore the solutions are imaginary.

2.  The vertex of the parabola in g(x) is (9, 0) which is on the x-axis and parabola opens up.  Therefore, there is a double solution.

3.  The vertex of the parabola in h(x) is (-1, -9) which is below the x-axis and the parabola opens up.  Therefore, there are two real solutions.

I know this is a long explanation, but that is a way of looking at the problem.

6 0
2 years ago
Find (7*10 to the sixth power) -
Nat2105 [25]
Do 10 to the sixth power first then multiply that by 7 you use PEMDAS
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3 years ago
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