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liq [111]
3 years ago
12

How much liquid does a fish tank holds

Mathematics
1 answer:
Eva8 [605]3 years ago
7 0

Answer:

depends on the fish tank

Step-by-step explanation:

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Two identical quarter circles are cut from a rectangle as shown.
Taya2010 [7]
We can see from the diagram that the length of the rectangle is 2 lots of the radius of one quarter circle. The width is made up of one radius, therefore the width is half of the length.

This means that the width of the rectangle is 9cm, and the radius of each quarter circle is 9cm.

To find the shaded area, we find the area of the rectangle and subtract from the areas of each circle, which are equal:

A = lw - 1/2(pi x r^2)
A = 9 x 18 - 1/2(81pi)
A = 162 - 81/2 pi
A = 34.8cm (3sf)



7 0
2 years ago
I need help please and thank you
AnnyKZ [126]
The answer is s = 2t - 1/2r
5 0
3 years ago
The coach took a digital photo of the new cycling team bike. She sent a 4 cm-by-6 cm photo to each team
erastova [34]

Answer:

1. 9 cm

2. 50%

3. Assuming the photo is a rectangle, the answer would be 90 degrees on every angle (in a dilation, angle measurements are congruent).

Step-by-step explanation:

1. The long side is clearly the 6 cm side. multiply it by 1.5x (150%) and you get 9.

2. 2 is 50% of 4 and 3 is 50% of 6.

3. Assuming the photo is a rectangle, the answer would be 90 degrees on every angle (in a dilation, angle measurements are congruent).

6 0
3 years ago
-1 3/5 divided by -2/3
Cloud [144]
<h2>Answer:</h2>

12/5

alternative forms:

2 2/5, or 2.4

<h2>Step-by-step explanation:</h2>

-1 3/5÷ -2/3

convert mixed number to an improper fraction

-8/5÷ -2/3

divide

8/5•3/2

reduce numbers

4/5•3

multiply

---------

12/5

---------

7 0
3 years ago
Read 2 more answers
Which expression is equivalent to (4−3)−6?<br><br> 418<br> 43<br> 4−18<br> 4−9
Assoli18 [71]

(4-3)-6 = 1-6 = -5

4-9 = -5

The answer is 4-9

8 0
3 years ago
Read 2 more answers
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