2 years ago

100 students attended a revision lesson at the weekend.

Mathematics

1 answer:

solniwko [45]2 years ago

4 0

Answer:

I am pretty sure its 30 students

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Nesterboy [21]

Answer:

2239 grams

Step-by-step explanation:

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2 years ago

Problem 1:

wariber [46]

Answer:

x=1/6

Step-by-step explanation:

3x+4=9x+3

isolate x

1=6x

1/6=x

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2 years ago

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a banana contains 105 calories.last week,brendan and lea ate a total of 14 bananas.how many calories does this represent?

Crank

Well if they ate a total of 14 bananas and each banana is 105 calories, that means that you have to multiply 105 calories by 14 bananas. The answer is 1470 calories.

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2 years ago

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Find the missing value: x2 (squared) = 625 5 10 25 50

Alona [7]

$\bf x^2=625\implies x=\sqrt{625}\implies x=25$

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3 years ago

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Help<br><br> (5a-3a^3)*(4a-1)

ivann1987 [24]

Answer:

$-12a^{4} + 3a^{3} + 20a^{2} -5a$

Step-by-step explanation:

$(5a-3a^{3} )$ • $(4a-1)$

Let's use FOIL (first, outer, inner, last) to solve this. We'll multiply the terms by one another in that fashion.

$20a^{2} - 5a - 12a^{4} + 3a^{3}$

Rearrange in decreasing exponents.

$-12a^{4} + 3a^{3} + 20a^{2} -5a$

3 0

3 years ago