3 years ago

Express the product of 2x^2+6-8 and x+3 in standard form

1 answer:

7 0

Answer:2x3+12x2+10x−24Explanation:The product of these expressions 'means' to multiply them. hence : (x + 3 )(2x2+6x−8) Each term in the 2nd bracket must be multiplied by each term in the 1st.This can be achieved as follows.x(2x2+6x−8)+3(x2+6x−8[2x3+6x2−8x[6x2+18x−24]=2x3+6x2−8x+6xx−24 collect 'like terms'=2x3+12x2+10x−24 is in standard form

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A rowing team rowed 90 miles while going with the current in the same amount of time as it took to row 10 miles going against th

lys-0071 [83]

Answer:
let x=rate of the rowing team in still water
x+4=rate of the rowing team with current
x-4=rate of the rowing team against current
travel time=distance/rate
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90%2F%28x%2B4%29=10%2F%28x-4%29
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80x=400
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snow_tiger [21]

Answer:

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Step-by-step explanation:

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a right triangle has legs of lengths 6 and 2, what is the length of the hypotenuse to the nearest tenth

PolarNik [594]

Answer:

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Step-by-step explanation:

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3 years ago

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sammy [17]

Answer:

Yes

Step-by-step explanation:

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2 years ago

Round 22.5240 to the nearest thousandth

shutvik [7]

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