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quester [9]
4 years ago
6

(4.9 x 10-2) (9.80 x 102) in scientific notation

Mathematics
2 answers:
goldenfox [79]4 years ago
7 0
If you mean (4.9*10^-2) times (9.80<span>*10^2) then the product is 4.802*10^1 in </span>scientific notation<span>.</span>
Anastasy [175]4 years ago
6 0
Uma resposta  desta desa e bem na cara e R=46981.2
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a square red rug has a purple square in the center. the side length of the purple square is x inches. the width of the red band
Bumek [7]

Answer:

Area of red band is (20x + 100) inch^{2}

Step-by-step explanation:

We know that area of square = side^{2}

Please refer to the attached figure, we have to calculate the area of red band.

Required area = Area of square <em>ABCD </em>- Area of <em>purple square </em>

Side of purple square = x

So, area of purple square = x^{2}

<em>ABCD </em>is a square with purple square at the center and there is symmetry in the figure.

So, width of red band towards both the end is 5 inches.

\Rightarrow \text{side of }ABCD = 5 + 5 +x = (x+10) inches

Required area = (x+10)^{2} - x^{2}

Using formula a^{2} - b^{2} = (a-b)\times (a+b)

\Rightarrow (x+10-x)(x+10+x)\\\Rightarrow (10)(2x+10)\\\Rightarrow (20x+100)

Hence, Area of red band is (20x + 100) inch^{2}

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a couch and coffee table cost a total of $1208. the cost of the couch is three times the cost of the coffee table. find the cost
Elena-2011 [213]
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Answer:

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Step-by-step explanation:

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By the age of 21, the best violinist and pianist will have practiced at least 10,000 hours. If you practice and instrument 45 mi
Alika [10]

Answer:

273.94 hours.

Step-by-step explanation:

1 day = 0.75 hours of practicing in a day.

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8 0
3 years ago
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