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makvit [3.9K]
3 years ago
12

Round 8.95 to the nearest tenth.did the ones place change? explain

Mathematics
2 answers:
Gekata [30.6K]3 years ago
6 0
8.95 to the nearest tenth.

The tenth digit is the first after the decimal point to the right. And that is 9.
Looking at the next digit after it is 5, and it is up to 5 so we increase the 9 to 10.

And of course the 10 would cause an increase to the 8 for it to become 9.

≈ 9.0  to the nearest tenth.
Papessa [141]3 years ago
6 0
Yes the ones place changed to 9 because when u round numbers you look to the digit to the right of it. If it's 5 or higher you round up. So the digit to the right of 9 being 5 u round up. But 9 rounds up to 10 and then u put the zero in the tenths place and you add one to 8
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lubasha [3.4K]

Answer:

16

Step-by-step explanation:

We can count the number of sides of the shape, with every gridline being 1 unit.

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16*1 unit = 16

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4 0
3 years ago
a cone has a radius of 6cm and height 9 calculate a)the volume and curved surface area b) total surface area
Orlov [11]

Answer:

V = 339.3 cm³; L = 203.9 cm²; A = 317.0 cm²  

Step-by-step explanation:

a) Volume

The formula for the volume (V) of a cone is

V = ⅓πr²h

V = ⅓π × 6² × 9

V = ⅓π × 36 × 9

V = 108π cm³

V ≈ 339.3 cm³

=====

Curved surface area  

The formula for the lateral surface area (L) of a cone is

L = πr√(r² + h²)

L = π×6√(36 + 81)

L = 6π√[9(4 + 9)]

L = 6π√(9 × 13)

L = 18π√13 cm²

L ≈ 203.9 cm²

===============

b) Base surface area

The base is a circle, so the formula for base surface area (B) is

B = πr²

B = π×6²

B = 36π cm²

B ≈ 113.1 cm²

=====

Total surface area

A = L + B

A = 18π√(13 +36π)

A = 18π(2 + √13) cm²

A ≈ 203.9 + 113.1

A ≈ 317.0 cm²

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3 years ago
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Answer:

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