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3 years ago

Answer to math class

Mathematics

1 answer:

Fantom [35]3 years ago

5 0

1/3 of 12,000 ballots were thrown out.

1/3 * 12,000 = 12,000/3 = 4,000

4,000 ballots were thrown out.

12,000 - 4,000 = 8,000

There were 8,000 ballots left.

1/4 of 8,000 ballots are for candidate A.

1/4 * 8,000 = 8,000/4 = 2,000

Candidate A received 2,000 votes.

8,000 - 2,000 = 6,000

Candidate B received 6,000 votes.

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Can you use the standard Algorithm To Solve 682x25

Vlad1618 [11]

Answer:

The standard algorithm is a way of doing multiplication by using partial products or multiplying in parts. What you do with this algorithm is multiply the top number by the bottom number one digit at a time, working your way from right to left.

the answer to 682x25 would be 17,050 but i explained how you would figure out wether you ca use standard algorithm.

hope this helps : ) :/

3 0

3 years ago

(5n2 – 4nm - 9m²) + (7n2 + 4nm +8m²) =

Flauer [41]

Answer:

$\left(5n^2-4nm-9m^2\right)+\left(7n^2+4nm+8m^2\right)=12n^2-m^2$

Step-by-step explanation:

Given the expression

$\left(5n^2\:-\:4nm\:-\:9m^2\right)\:+\:\left(7n^2\:+\:4nm\:+8m^2\right)$

Remove parentheses: (a) = a

$=5n^2-4nm-9m^2+7n^2+4nm+8m^2$

Group like terms

$=5n^2+7n^2-4nm+4nm-9m^2+8m^2$

Add similar elements: $5n^2+7n^2=12n^2$

$=12n^2-4nm+4nm-9m^2+8m^2$

Add similar elements: $-4nm+4nm=0$

$=12n^2-9m^2+8m^2$

Add similar elements: $-9m^2+8m^2=-m^2$

$=12n^2-m^2$

Therefore, we conclude that:

$\left(5n^2-4nm-9m^2\right)+\left(7n^2+4nm+8m^2\right)=12n^2-m^2$

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3 years ago

Select the correct answer show the workings

Cloud [144]

Answer:

D (-6)

Step-by-step explanation:

simplify fraction -8/-8 = 1

multiply by -6

1 x (-6) = -6

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3 years ago

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Answer:

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Step-by-step explanation:

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3 years ago

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sattari [20]

Answer:

Step-by-step explanation:

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