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3 years ago

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1 answer:

Lorico [155]3 years ago

5 0

Answer:

Step-by-step explanation:

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What number is 10times bigger than 30

barxatty [35]

Answer:

300

Step-by-step explanation:

30 * 10 = 300

5 0

3 years ago

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Write an expression to represent susans age in three years when a represents her present age.

Zarrin [17]

Well, since a is Susan’s current age, we would add three to a to get her age in three years
So our expression would be:
a + 3

4 0

3 years ago

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Multiply 5x^2-6x+2 4x^2-3x

mixas84 [53]

Answer:

$20x^{4}-39x^{3} +26x^{2}-6x\\$

Step-by-step explanation:

Multiply the two polynomials by multiplying each term

$(5x^{2} -6x+2)(4x^{2} -3x)\\5x^2*4x^2+5x^2(-3x)+(-6)*4x^2+(-6x)(-3x)+2*4x^2+2(-3x)\\20x^{4}-39x^{3} +26x^{2} -6x\\$

8 0

3 years ago

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What number is 60 more than 823

slava [35]

I think it would be 883 if you just 60?

3 0

3 years ago

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Sue drank 2/5 of her water bottle and sally drank 4/10 of her water bottle how much water did both girls drank?

stealth61 [152]

well, clearly the LCD from the denominators of 5 and 10 is just 10, thus

$\bf \stackrel{\textit{Sue}}{\cfrac{2}{5}}+\stackrel{\textit{Sally}}{\cfrac{4}{10}}\implies \stackrel{\textit{LCD of 10}}{\cfrac{(2)2~~+~~(1)4}{10}}\implies \cfrac{2+4}{10}\implies \cfrac{6}{10}\implies \stackrel{\textit{simplified}}{\cfrac{3}{5}}$

3 0

3 years ago