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tankabanditka [31]
3 years ago
5

Rewrite as a sum

"(2x^2-11)(x^2+2)" align="absmiddle" class="latex-formula">
Mathematics
1 answer:
VashaNatasha [74]3 years ago
3 0

Answer:

Step-by-step explanation:

(2x^2-11)(x^2+2)

2x^4-7x^2-22

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Find the distance between the points (0,2)and (-5,-9)The answer must be a whole number or a fully simplified radical expression
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Answer:

d = \sqrt{146}

Step-by-step explanation:

d= \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}\\d= \sqrt{(-5-0)^2+(-9-2)^2}\\d= \sqrt{(-5)^2+(-11)^2}\\d= \sqrt{25+121}\\d= \sqrt{146}

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Misha’s hamster weighed 0.845 kilograms. About how much does it weigh, rounded to the nearest hundredth?
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Please help, please
Kisachek [45]

Answer:

Total amount of fencing needed as an algebraic expression in terms of x is: <em>10x</em><em> </em><em>+</em><em> </em><em>3</em> .

Step-by-step explanation:

As it is given that each rectangle has the same dimensions, the dimensions of each rectangle must be: x units by 2x + 1 units.

Based on this, we can calculate the total amount of fencing needed.

Let width of each rectangle = x

Let length of each rectangle = 2x + 1

There are 4 widths and 3 lengths in total of fencing.

Therefore:

= 4 ( x ) + 3 ( 2x + 1 )

Expand:

= 4x + 6x + 3

Group like-terms:

= 10x + 3

7 0
3 years ago
A jar contains $14.25 in quarters and dimes. There are 75 coins in the jar. Find the number of quarters in the jar.
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Set up a system of equations.
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Multiply the first equation by -.1 so that the "d's" will cancel.
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.1d +.25q = 14.25
Now add the two equations together
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divide both sides by .15
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7 0
2 years ago
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