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8090 [49]
2 years ago
12

According to the National Oceanic and Atmospheric Administration, the blue whale is the largest animal on Earth. Blue whales wei

gh
approximately 3×10^5 pounds. Narwhals, which are also a type of whale, weigh approximately 2×10^3 pounds.
Mathematics
1 answer:
Ugo [173]2 years ago
5 0

Answer:

According to the passage, whales weight 300,000 pounds on average. Narwhales weigh 2,000 pounds on average.

Step-by-step explanation:

Since the question is extremely vague, I'll just answer what's the weight of whales and the weight of narwhals.

According to the paragraph, blue whales weigh 3×10^{5} pounds.

This is what we call scientific notation. You could solve it normally, or you could use a faster method.

Scientific notation states that the first number that you see, the three, is the first part of the answer. The exponent on the number of zero's that there is.

That means that the answer to 3×10^{5} you get 300,000.

Let's do the same thing to Narwhales.

2×10^{3} is 2,000.

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Answer:

50km per hour

Step-by-step explanation:

When you think of average speed it would be per hour, so when thinking 30 minutes is .5 of a hour that means when you add 30 minutes and 30 minutes you get 1 hour so you would add 25km and 25km and you would get its average speed per hour, I hope that made sense

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The owner of a new restaurant is designing a floor plan, and he is decided between two different seating arrangements
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idek

Step-by-step explanation:

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3 years ago
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What is the solution set for 6x−9=15, given the replacement set {0, 1, 2, 3, 4}?
vfiekz [6]
6x-9=15
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Hope this helps :)
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3 years ago
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The housing market in Dallas, Texas, experienced a 9.8% increase in the past year. If the median home price was $96,812 one year
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Answer:  $106,300

<u>Step-by-step explanation:</u>

A = P(1 + r)

  • A is the accrued amount (balance)
  • P is the principal (initial amount)
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Given: P = 96,812    r = 9.8% --> 0.098

A = 96,812(1 + 0.098)

   = 96,812(1.098)

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rounded to the nearest dollar is $106,300

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3 years ago
A cone and a sphere both have a radius of 1. If you fill the cone with liquid, and pour it into the sphere, it fits exactly. Wha
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Answer and Step-by-step explanation:

First, solve for the volume of the sphere, then solve for the height of the cone using the volume of the sphere (which is said to be equal to the volume of the cone) and the radius given.

<u>Volume formula of Sphere</u>

V = \frac{4}{3} \pi r^2

<u>Substitute 1 in for r</u>

\frac{4}{3} \pi (1)^2 = \frac{4}{3} \pi  = 4.189 = Volume

<u>Finding the Height of a Cone</u>

Volume formula for Cone: V = \pi r^2\frac{h}{3}

<u />

<u>Solve for </u><u><em>h</em></u>

Multiply both sides by 3, then divide by pi and r^2.

h = \frac{3V}{\pi r^2}

<u>Plug in the volume and the radius.</u>

h = \frac{3(4.189)}{\pi (1)^2}

<u>Simplify</u>

h = \frac{12.567}{\pi }

h ≈ 4

<u>4 is approximately the height.</u>

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3 years ago
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