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jek_recluse [69]
3 years ago
7

1. Find the volume of a cube with a side of 9 cm.

Mathematics
1 answer:
lawyer [7]3 years ago
7 0

Step-by-step explanation:

1. Given,

Side of the cube = 9 cm

Therefore, volume of the cube = side × side × side

= 9cm × 9cm × 9cm

= 729 {cm}^{3} (ans)

2. Given,

Length of the rectangle = 4cm

Breadth of the rectangle = 3cm

Therefore, perimeter of the rectangle = 2(l+b)

= 2(4cm + 3cm) = 2 × 7cm = 14 cm (Ans)

3. Given,

Side of a square = 11 m

Therefore, area of the square = side × side

= 11 m × 11 m

\:  =  {121cm}^{2} (ans)

4. Given,

Length of the rectangle = 14 m

Width of the rectangle = 5 m

Therefore, area of the rectangle = l × b

= 14 m × 5 m

= 70 {m}^{2} (ans)

5. Given,

Side of the equilateral triangle = 15 cm

Therefore, perimeter of the triangle = 3 × side

= 3 × 15 cm = 45 cm (Ans)

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2. Alana needs to sell 52 boxes of cookies:

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3.  Sam, Jimmy and Andre shared a number of pennies in the ratio 8:5:3

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4. Jamila spent $33.00 and Akiko spent $ 42.00  

Jamila  had 4 times as much money left as Akiko. How much money did each of them have in the beginning?

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4 x $42.00 = $168.00

They both in the beginning had $168.00

I hope this helps.



3 0
3 years ago
Coco needs 150mg of a medication that comes in tablets labelled 100mg each. How many tablets will you give her?
shtirl [24]

Answer:

1.5

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Let x be the number of tablets Coco needs.

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x = 1.5

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