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baherus [9]
3 years ago
13

How many tens are there in 10 ones? ​

Mathematics
2 answers:
AlexFokin [52]3 years ago
7 0

Answer:

1 ten.

Step-by-step explanation:

1 ten = 10 ones/units

lidiya [134]3 years ago
4 0

Answer:

1

Step-by-step explanation:

10 ones = 10

1 tens = 10

therefore there is 1 tens in 10 ones

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A metallic sphere is immersed in water in a cylindrical container causing a rise in the level of water by 7.5cm if the cylinder
SVETLANKA909090 [29]

Answer:

6.51 cm

Step-by-step explanation:

Since the sphere causes the water level in the cylindrical container to rise and thus increase by its own volume, the volume of the sphere is V = 4πr³/3 where r = radius of sphere. The volume rise of the container is thus    V' = πR²h where R = radius of base of cylinder = 7 cm and h = height of water level = 7.5 cm.

Since V = V',

4πr³/3 = πR²h

dividing through by π, we have

4r³/3 = R²h

multiplying both sides by 3/4, we have

r³ = 3R²h/4

taking cube-root of both sides, we have

r = ∛(3R²h/4)

Substituting the values of the variables into the equation, we have

r = ∛(3(7 cm)² × 7.5 cm/4)

r = ∛(3 × 49 cm² × 7.5 cm/4)

r = ∛(1102.5cm³/4)

r = ∛(275.625 cm³)

r = 6.508 cm

r ≅ 6.51 cm to 2 decimal places

3 0
3 years ago
Match the following items by evaluating the expression for x = -7. x-2 x-1 x0 x1 x2
frosja888 [35]

Answer:

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Answer:

3

Step-by-step explanation:

8 0
3 years ago
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frutty [35]

Answer:

C

Opening the bracket is the first order in solving arithmetic from BODMAS but to do that in this case we need to add 4^3 and 9 which first requires us to find 4^3

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Hayden built a wooden sculpture with the dimensions
lisabon 2012 [21]

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c

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