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Jobisdone [24]
3 years ago
14

A roll of ribbon is 32 cm long. How many pieces 11 cm long can be cut from the roll?​

Mathematics
2 answers:
Leno4ka [110]2 years ago
6 0

Answer:

2.9 cm long

Step-by-step explanation:

32÷11 = 2.9000000

there is no value of zero after point so it is 2.9 wwith out zero

OlgaM077 [116]2 years ago
6 0
11 + 11 = 22 (+ 10 makes 32) so 2
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RoseWind [281]
It’s 102in sorry if I’m late to answer
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3 years ago
See the picture below
mart [117]

Answer:

a) 301.59 cubic centimeters

b) 235.87 square centimeters

Step-by-step explanation:

a)

Volume of ice cream cone is volume of hemisphere PLUS volume of cone.

Volume of Hemisphere = \frac{\frac{4}{3}\pi r^3}{2}

radius is given as 4, so,

Volume of Hemisphere = \frac{\frac{4}{3}\pi r^3}{2}\\=\frac{\frac{4}{3}\pi (4)^3}{2}\\=134.04

Now, Volume of Cone = \frac{1}{3}\pi r^2 h

Where radius is 4 and height is 10, so,

Volume of Cone = \frac{1}{3}\pi r^2 h\\=\frac{1}{3}\pi (4)^2 (10)\\=167.55

Volume of Ice Cream Cone = 134.04 + 167.55 = 301.59 cubic centimeters

b)

Surface area of ice cream cone is surface area of hemisphere PLUS surface area of cone.

Surface Area of Hemisphere = 2\pi r^2\\=2\pi (4)^2\\=100.53

Surface Area of Cone = \pi r^2+\pi rl

We dont need to use the first part, \pi r^2  since it is "inside". We  need to find l, slant height, by using pythagorean theorem on a triangle we can make (bottom right).

4^2 + 10^ 2 = l^2

16 + 100 = l^2

116 = l^2

l = 10.77

Now to find the surface area of cone = \pi rl\\=\pi (4)(10.77)\\=135.34

Surface area of ice cream cone = 100.53 + 135.34 = 235.87 square centimeters

5 0
3 years ago
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mihalych1998 [28]
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3 years ago
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Round 60488 to the nearest ten thousand
ANTONII [103]
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4 0
3 years ago
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2. What is the length of the horizontal line segment joining points C(-9,205) and D(4,205)?​
arsen [322]

Answer:

13 unit

Step-by-step explanation:

................

3 0
2 years ago
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