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Xelga [282]
1 year ago
9

Tell whether the number is written correctly in scientific notation. 9.9 times 10*-4

Mathematics
1 answer:
Mnenie [13.5K]1 year ago
6 0
\text{ 9.9 x 10}^{-4}

That is the correct number.

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Find the unit rate.<br> 1/3 kilograms : 2/3 foot.
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Answer:

0.5kg per foot

Step-by-step explanation:

1/3 : 2/3

1 : 2

1 kg is 2 feet

0.5 kg/foot

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It took Sharon 1 hour and 45 minutes to pick 3 1/2 pounds of raspberries. At what unit rate did Sharon pick raspberries?
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Find the area of the circle with the given diameter.<br> d = 28 inches
alexdok [17]

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Step-by-step explanation:

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4 0
3 years ago
Rick's lumberyard has 360 yd of fencing with which to enclose a rectangular area. If the enclosed area is x yards​ long, express
cestrela7 [59]

Answer:

180x - x²

Step-by-step explanation:

Since the yard has 360 yd. of fencing, hence the perimeter of Rick's lumberyard has 360 yd.

Given that the yard is x yards long. Let y represent the width of the yard. Hence:

Perimeter of the yard = 2(length + width) = 2(x + y)

Substituting:

360 = 2(x + y)

180 = x + y

y = 180 - x

Therefore the width of the yard is (180 - x) yard.

The area of the yard is the product of the length and the width, hence:

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A = x * (180 - x)

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3 0
3 years ago
PLS HURRY ITS FOR AN EXAM!!!
Scorpion4ik [409]

Answer:

6000

Step-by-step explanation:

start by finding what 5% of 4000 is by multiply 4000 by .05 then take that number times it by ten to find the amount accumulated over the ten years and add it to the deposit of 4000

4000 * .05 = 200

200 * 10 = 2000

2000 + 4000 = 6000

4 0
3 years ago
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