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ANTONII [103]
3 years ago
10

Explain why 4×3/5 equals 12 /5. draw a picture

Mathematics
1 answer:
BigorU [14]3 years ago
4 0
Are you serious? oh well..

ok, draw a circle. devide the circle into 5 parts. color in 3 of the parts.

Now, draw 4 more of these.

Now, count the pieces.
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A cylinder with a radius of 12cm and a height of 20cm has the same volume as a cone with a radius of 8cm. What is the height of
ivanzaharov [21]

Answer: 135cm

Step-by-step explanation

Volume of a cylinder = πr²h

Volume of a cone. = 1/3πr²h

The two shapes are both solid shapes.

Since the have same volume, we can then equate the two together and solve for the height of the cone.

Now make H the height and R the radius of the cylinder and h the height and r the radius of the cylinder.

Now equating the two

πR²H = 1/3πr²h

Now substitute for the values now

Multiply through by 3

3πR²H = πr²h

But π is common so it could be obliterated from the equation

3R²H = r²h

3 x 12² x 20 = 8² x h

3 x 144 x 20 = 64 x h

60 x 144 = 64h

8640. = 64h

Therefore

h = 8640/64

= 135cm

8 0
3 years ago
What is 78 in scientific notation
4vir4ik [10]
Well first you take 78 and turn it to 7.8 
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3 0
3 years ago
How many more stickers does maddie's have on her notebook than on meg's note book
Ksivusya [100]
Depends on how many stickers each girl has.
6 0
3 years ago
a basket of oranges weighs 25lb 3oz. The empty basket weighs 1lb 4oz. What is the weight of the oranges?​
marysya [2.9K]

Answer:

383 Oz, or 23.9375 Ibs

Step-by-step explanation:

Convert all the pounds to ounces for both just the basket and the basket with oranges then subratact the basket ounces from the basket and oranges ounces and you get your answer.

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2 years ago
How many triangles can be constructed with three angies, each measuring 64°
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Answer:c

Step-by-step explanation:

7 0
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