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marusya05 [52]
2 years ago
7

Help me pleaseeeeee I would really appreciate it

Mathematics
1 answer:
Nikitich [7]2 years ago
4 0

Answer:

hi how r u I'm fine what r u doin

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Kelly has a rectangular fish aquarium that measures 18 inches long, 8 inches wide, and 12 inches tall.
BigorU [14]

Answer:

a) The maximum amount of water the aquarium can hold is 1728 in³.

b) The cover has to be 624 in² big.

Step-by-step explanation:

a) The maximum volume of water that the aquarium can have is the same as the volume of the aquarium:

V=L×W×H=18 in × 8 in × 12 in= 1728 in³

b) The protective covering is used on the four walls of the aquarium. We have to find the areas of the four walls:

One of them is given by the multiplication of the width and the height:

A₁= W×H= 8 in × 12 in=96 in²

The other area is given by the multiplication of the length and the height:

A₂= L×H= 18 in × 12 in= 216 in²

As the fish aquarium is rectangular the area of the walls is given by:

A_T=2A_1+2A_2=2×96 in²+2×216 in²=624 in²

8 0
3 years ago
What is the answer too -4x+3=3-4x
ser-zykov [4K]

Answer: The answer is 0

6 0
3 years ago
Read 2 more answers
Which equation can be used to represent "three minus the difference of a number and one equals one-half of the difference of thr
NNADVOKAT [17]
<span>3 – (n – 1) = 1/2(3n – 4)

</span>
4 0
3 years ago
Read 2 more answers
Yes :]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]
NeTakaya

Answer:

It would be 150 I believe.

Step-by-step explanation:

Hope this helps and good luck!

6 0
3 years ago
A ball is thrown at an initial height of 7 feet with an initial upward velocity at 27 ft/s. The balls height h (in feet) after t
lianna [129]

Answer:

The height of ball is 17 ft at t=0.55 and t=1.14.

Step-by-step explanation:

The general projectile motion is defined as

y=-16t^2+vt+y_0

Where, v is initial velocity and y₀ is initial height.

It is given that the initial height is 7 and the initial upward velocity is 27.

Substitute v=27 and y₀=7 in the above equation to find the model for height of the ball.

h(t)=-16t^2+27t+7

The height of ball is 17 ft. Put h(t)=17.

17=-16t^2+27t+7

0=-16t^2+27t-10

On solving this equation using graphing calculator we get

t=0.549,1.139

t\approx 0.55,1.14

Therefore the height of ball is 17 ft at t=0.55 and t=1.14.

3 0
3 years ago
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