3 years ago

Write nine hundred and eight tenths as a decimal number.

Mathematics

1 answer:

IrinaK [193]3 years ago

5 0

Answer:

900.80

Step-by-step explanation:

900 + .8

900.80

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OlgaM077 [116]

Answer:

138, 460 m²

Step-by-step explanation:

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So far Monica has read 56 of a book she has read the same number of pages each day for five days what fraction of the book does

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Answer:

14/125

Step-by-step explanation:

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2 years ago

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What is the volume of a hemisphere with a radius of 2.3m round to the nearest tenth of a cubic meter

kodGreya [7K]

Answer: $25.5 m^{3}$

Step-by-step explanation:

If the volume of a sphere is

$V=\frac{4}{3} \pi r^{3}$

Where $r=2.3 m$ is the radius

The volume of a hemisphere is half the volume of the total sphere:

$V_{hemisphere}=\frac{V}{2}=\frac{\frac{4}{3} \pi r^{3}}{2}$

$V_{hemisphere}=\frac{2}{3} \pi r^{3}$

Solving this equation:

$V_{hemisphere}=\frac{2}{3} \pi (2.3 m)^{3}$

Finally:

$V_{hemisphere}=25.48m^{3} \approx 25.5 m^{3}$

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2 years ago

4x2 + 4x =- 4<br> Find the solutions to the Quadratic equation.

VashaNatasha [74]

Answer:

x=-3

Step-by-step explanation:

(4)(2) + 4x = -4

multiply the 4 and 2

8 + 4x = -4

subtract 8 from both sides

4x = -12

divide both sides by 4

x = -3

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3 years ago