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4 years ago

What are multiples of nine

Mathematics

1 answer:

Dovator [93]4 years ago

5 0

<h2>The multiples of nine are 9, 18, 27, 36, 45, 54, 63, .....</h2>

Step-by-step explanation:

We have,

Nine

To find, the multiples of nine = ?

The multiples of nine are:

1 × 9, 2 × 9, 3 × 9, 4 × 9, 5 × 9, 6 × 9, 7 × 9, .......

= 9, 18, 27, 36, 45, 54, 63, .....

∴ The multiples of nine are 9, 18, 27, 36, 45, 54, 63, .....

Thus, the multiples of nine are 9, 18, 27, 36, 45, 54, 63, ..... .

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The Hoover Dam in the U.S produces 2 x 10 ^9 Watts of electricity and is composed of 7 x 10^9 kg of concrete. Concrete requires

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Answer:

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2) $40.5$ days

Step-by-step explanation:

1) First of all we use $1MJ=1x10^{6}J$ so the total energy will be $7x10^{9} kg * 1x10^{6} \frac{J}{kg} =7x10^{15}J$ .

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3 years ago

The diagram shows a parallelogram.

emmasim [6.3K]

Answer:

27.44 square cm

Step-by-step explanation:

If the length of parallelogram is a and b and angle between side a and b is $\alpha$ .

Then area of parallelogram = $a*b*sin(\alpha ) = ab sin(\alpha )$

Given side length 4 cm and 7 cm

angle between them = 100°

value of sin(100°) = 0.98

Thus, area of given parallelogram = 4*7*sin(100°) = 28*0.98 = 27.44

Thus, area of given parallelogram is 27.44 square cm.

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3 years ago

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Tutankhamun's tomb was discovered in 1922. If he was buried in 1323 B.C., for how long was he buried before discovery years?

vovangra [49]

Answer:

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Step-by-step explanation:

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2 years ago

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Answer:

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Step-by-step explanation:

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Add or subtract like terms.

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jonny [76]

Answer:

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Step-by-step explanation:

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