3 years ago

Can someone help me please

Mathematics

1 answer:

Ksivusya [100]3 years ago

6 0

The answer is 8. A negative minus negative increases the value.

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There are fewer than 30 students in the A-level mathematics class. One half of them

masya89 [10]

The number of students that play hockey is 7

The proportion is given as:

$Piano =\frac 12$

$Hockey =\frac 14$

$School\ Play =\frac 17$

The total number of students must be a multiple of 2, 4 and 7 less than 30;

The only multiple of 2, 4 and 7 less than 30 is 28.

The number of students that play hockey is the product of 28 and the proportion that plays hockey.

So, we have:

$Hockey =\frac 14 \times 28\\$

Multiply

$Hockey =7$

Hence, 7 students play hockey

Read more about common multiples at:

brainly.com/question/290451

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Vlad1618 [11]

Answer:

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Step-by-step explanation:

$2(m + 5) + 4(m - 6) \\ = 2m + 10 + 4(m - 6) \\ = 2m + 10 + 4m - 24 \\ = (2m + 4) + (10 - 24) \\ = 6m - 14$

<h3>Hope it is helpful.....</h3>

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She was at work for 8 hours and 28 min

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